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CentOS-announce Digest, Vol 55, Issue 10
by centos-announce-request＠centos.org 26 Sep '09

26 Sep '09

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2009:1463 Moderate CentOS 4 i386 newt Update (Johnny Hughes) 2. CESA-2009:1463 Moderate CentOS 4 x86_64 newt Update (Johnny Hughes) 3. CESA-2009:1459 Important CentOS 4 i386 cyrus-imapd Update (Johnny Hughes) 4. CESA-2009:1459 Important CentOS 4 x86_64 cyrus-imapd Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Fri, 25 Sep 2009 19:27:12 -0500 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2009:1463 Moderate CentOS 4 i386 newt Update To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <4ABD5FE0.5070805(a)centos.org> Content-Type: text/plain; charset="iso-8859-1" CentOS Errata and Security Advisory 2009:1463 Moderate Upstream details at : http://rhn.redhat.com/errata/RHSA-2009-1463.html The following updated files have been uploaded and are currently syncing to the mirrors: Source: newt-0.51.6-10.el4_8.1.src.rpm i386: newt-0.51.6-10.el4_8.1.i386.rpm newt-devel-0.51.6-10.el4_8.1.i386.rpm

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Inquiry:Problem in mounting external cdrom
by hadi motamedi 26 Sep '09

26 Sep '09

Dear All I tried to mount an external cdrom on my CentOS 5 server but un-successful . I attached the device to my USB port and then the followings have been added to my /dev folder : "cdrom -> scd0 cdrom-sr0 -> scd0 cdrw -> scd0 cdrw-sr0 -> scd0 cdwriter -> scd0 cdwriter-sr0 -> scd0" To this end , I tried to mount it as the followings (but it didn't get through) : #mount -t vfat /dev/cdrom-sr0 /mnt/cdrom Add the following line to /etc/fstab : /dev/cdrom-sr0 /mnt/cdrom vfat noauto,users,noexec,rw, uid=1000,gid=1000 0 0 #mount /mnt/cdrom Can you please do me favor and correct me for my mistakes in mounting it ? Thank you in advance

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samba file locking
by janezkosmr 26 Sep '09

26 Sep '09

Hi, I encountered an interesting problem. We have a Java application on a samba server. The folder is then shared to the clients via a samba share. So far it works OK. Until now we had windows clients and everything worked OK. But now we are trying to Linux clients and this is where the fun starts. When a developer copies a new jar to the folder which is shared via samba. And if this copying is done by scp strange things start happening. After a few clicks the application stops working returning NoClassDeffFound, even if the file is there and readable. After that it is not enough to just stop the application, you have to unmount an then mount the share. I tried turning off oplocks in the samba configuration as suggested in the samba how-to, but it doesn't fix the problem. Has anyone seen a similar error? BR

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Re: [CentOS] Centos 5.3 - kickstart configuration
by Karl Kobata 25 Sep '09

25 Sep '09

> Karl Kobata wrote: > > Can anyone tell me if this can be done? If it can, please give me > > instructions? > rpm -qa > or perhaps > rpm -qa --queryformat "%{NAME}\n" Can I take this formatted output and add it into the %packages section of my new kickstart file? I am assuming that using the kickstart GUI, the @development-tools for instance, added to the %packages section will load all packages grouped as "development-tools". > > Finally, where on the installation cd's would I place this kickstart file ? > Usually put it on a network share or floppy disk, access it via > HTTP or NFS or something. Since I do not have a floppy, only a cdrom drive, is adding to a network share or http or nfs be for upgrading? If for upgrading, how is the kickstart file launched? If I am installing from "bare metal", can I add this kickstart file to the install CD? If so where will I place this file? nate thanks very much. karl

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Storing Kerberos database in OpenLDAP
by Dan Burkland 25 Sep '09

25 Sep '09

Hi all, I have created a project for myself in that I would like to store an MIT Kerberos database inside LDAP (Using OpenLDAP). I have found some relevant results but most of them are extremely outdated and unreliable. I did however recently find an article for Ubuntu that was up to date however it wasn't focused on CentOS/Red hat-based distros. Has anybody found something like this https://help.ubuntu.com/9.04/serverguide/C/kerberos-ldap.html in regards to the topic discussed earlier? Thank you, Dan Burkland

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how to implement java in firefox ?
by MOKRANI Rachid 25 Sep '09

25 Sep '09

Hi, I have some pb for running java on my system with Firefox 3.0.12 System centos 5.3 - kernel 2.6.18-128 x86_64 When I tested my java config on http://www.java.com/en/download/installed.jsp?detect=jre&try=1 I have always the message that plugin missed : Java Runtime Environnemtn is not present. What I need to do for implemented full java in firefox ? Regards. Rachid Mokrani - http://www.ifp.fr <http://www.ifp.fr/> P avant d'imprimer, pensez à l'environnement before printing, think of environment __________________________ Ce message (et toutes ses pièces jointes éventuelles) est confidentiel et établi à l'intention exclusive de ses destinataires. Toute utilisation de ce message non conforme à sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. L'IFP décline toute responsabilité au titre de ce message. This message and any attachments (the message) are confidential and intended solely for the addressees. Any unauthorised use or dissemination is prohibited. IFP should not be liable for this message. Visitez notre site Web / Visit our web site : http://www.ifp.fr __________________________

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CentOS-announce Digest, Vol 55, Issue 9
by centos-announce-request＠centos.org 25 Sep '09

25 Sep '09

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2009:1463 Moderate CentOS 3 i386 newt - security update (Tru Huynh) 2. CESA-2009:1463 Moderate CentOS 3 x86_64 newt - security update (Tru Huynh) ---------------------------------------------------------------------- Message: 1 Date: Fri, 25 Sep 2009 10:12:51 +0200 From: Tru Huynh <tru(a)centos.org> Subject: [CentOS-announce] CESA-2009:1463 Moderate CentOS 3 i386 newt - security update To: centos-announce(a)centos.org Message-ID: <20090925081251.GA7690(a)sillage.bis.pasteur.fr> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory CESA-2009:1463 newt security update for CentOS 3 i386: https://rhn.redhat.com/errata/RHSA-2009-1463.html The following updated file has been uploaded and is currently syncing to the mirrors: i386: updates/i386/RPMS/newt-0.51.5-2.el3.i386.rpm updates/i386/RPMS/newt-devel-0.51.5-2.el3.i386.rpm source: updates/SRPMS/newt-0.51.5-2.el3.src.rpm You may update your CentOS-3 i386 installations by running the command: yum update newt\* Tru -- Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B

1 0

help about Zend Optimizer and nfs
by chloe K 25 Sep '09

25 Sep '09

Hi pls help 1/ I run application but it said "Attention: Zend Optimizer not Installed" but I type php -v Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies Why? 2/ ls nfs working except tcp? I don't know how to debug Thank you __________________________________________________________________ Yahoo! Canada Toolbar: Search from anywhere on the web, and bookmark your favourite sites. Download it now http://ca.toolbar.yahoo.com.

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update of openssh-server i386 4.3p2-36.el5, dependencies
by zagiatakrapovic＠gmx.ch 25 Sep '09

25 Sep '09

Any ideas why there is such a dependency hell? It's a server host, I don't need any GTK stuff etc. > yum install openssh-* output: --------- Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: openssh-askpass i386 4.3p2-36.el5 updates 39 k Updating: openssh i386 4.3p2-36.el5 updates 286 k openssh-clients i386 4.3p2-36.el5 updates 447 k openssh-server i386 4.3p2-36.el5 updates 268 k openssl i686 0.9.8e-12.el5 updates 1.4 M Installing for dependencies: atk i386 1.12.2-1.fc6 base 222 k cairo i386 1.2.4-5.el5 base 394 k cups-libs i386 1:1.3.7-8.el5_3.6 updates 193 k fipscheck i386 1.0.3-1.el5 base 11 k fontconfig i386 2.4.1-7.el5 base 174 k freetype i386 2.2.1-21.el5_3 updates 310 k gnutls i386 1.4.1-3.el5_3.5 updates 348 k gtk2 i386 2.10.4-20.el5 base 6.5 M hicolor-icon-theme noarch 0.9-2.1 base 25 k libX11 i386 1.0.3-9.el5 base 795 k libXau i386 1.0.1-3.1 base 18 k libXcursor i386 1.1.7-1.1 base 32 k libXdmcp i386 1.0.1-2.1 base 19 k libXext i386 1.0.1-2.1 base 35 k libXfixes i386 4.0.1-2.1 base 14 k libXft i386 2.1.10-1.1 base 44 k libXi i386 1.0.1-3.1 base 25 k libXinerama i386 1.0.1-2.1 base 9.7 k libXrandr i386 1.1.1-3.1 base 15 k libXrender i386 0.9.1-3.1 base 27 k libjpeg i386 6b-37 base 139 k libpng i386 2:1.2.10-7.1.el5_3.2 updates 241 k libtiff i386 3.8.2-7.el5_3.4 updates 306 k pango i386 1.14.9-5.el5.centos updates 335 k xorg-x11-filesystem noarch 7.1-2.fc6 base 5.4 k -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01 -- Neu: GMX Doppel-FLAT mit Internet-Flatrate + Telefon-Flatrate für nur 19,99 Euro/mtl.!* http://portal.gmx.net/de/go/dsl02

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update of openssh-server i386 4.3p2-36.el5, dependencies
by zagiatakrapovic＠gmx.ch 25 Sep '09

25 Sep '09

or maybe just a nasy yum bug? http://bugs.centos.org/view.php?id=3841 -- Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3.5 - sicherer, schneller und einfacher! http://portal.gmx.net/de/go/atbrowser

1 0

centos 5 reboot diagnosis
by Agnello George 25 Sep '09

25 Sep '09

Hi we use cent OS 5.2 on all our production server, just today one of or mail server had a reboot and we dont understand why ... usually we get a alert if a system was loaded up ... but this system just reboot .... may be it could be a power failure ...( is there any way to check this ) .. but that is the last optiopn i am guess as the server is in IDC . With dmidecode and biosdecode .. i just get server / bios info . In the Messages and Dmesgs ... i cant really pin pont the issue . Is there any thingi am not doing or any thing i am supposed to figure out the reson for this reboot. -- Regards Agnello D'souza

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Re: [CentOS] OT: What's wrong with RAID5
by nate 25 Sep '09

25 Sep '09

[re-sending with the right email address, hoping the first email won't make it through..] Fajar Priyanto wrote: > Hi all, > Sorry for the OT. > I've got an IBM N3300-A10 NAS. It runs Data Ontap 7.2.5.1. > The problem is, from the docs it says that it only supports either RAID-DP or RAID4. > What I want to achieve is Max Storage Capacity, so I change it from RAID-DP to RAID4, but with RAID4, the maximum disk in a RAID Group decrease from 14 to 7. In the end, either using RAID-DP or RAID4, the capacity is the same. It's the array's way of saying it's not really safe to operate a 14 disk RAID-4 group in the event of a drive failure. Also performance will suffer greatly with such a large data:parity drive ratio. NetApp RAID DP (what you have): http://www.netapp.com/us/library/white-papers/wp_3298.html > What's wrong with RAID5, is there any technical limitation with RAID5? Most onboard RAID controllers are absolute crap, RAID 5 isn't as easy to support as RAID1/RAID0, as extra processing time and code is needed for the parity stuff. I wouldn't use them for even RAID 1 though. If it's onboard, and I want RAID then I'll use software RAID. Unless it's a SCSI/SAS RAID controller often times those onboard RAID controllers are of decent quality. RAID 5 as implemented by most disk vendors does have issues at least with large SATA disks - Why RAID 5 stops working in 2009 - http://blogs.zdnet.com/storage/?p=162 A couple vendors that I know of - 3PAR(which I use) and Compellent don't suffer from this limitation because they virtualize the disks, I can't speak too much for Compellent's architecture but 3PAR doesn't RAID physical disks, they raid portions of each disk, when a disk fails, every disk in the system participates in rebuilding that failed set of arrays, which results in upwards of a 10x improvement in recovery time and 90%+ drop in system impact while the arrays are rebuilding. This virtualization also allows you to run multiple levels of RAID on the same spindles for different purposes. The likelihood of suffering a double disk failure on such a system during a RAID rebuild is probably quite a bit less than suffering a triple disk failure on a RAID-6 system which runs RAID on whole physical disks. At full system load my array can recover from a 750GB drive failure in less than 3 hours. Our previous array took nearly 30 hours to recover from a 300GB(SATA) drive failure. If on my array the disk is only half utilized, then it will take half the time to rebuild, as only written data is rebuilt, no point in replicating portions of the disk that haven't been used, though other vendors do this because they don't have the architecture to support sub-disk rebuilds. My own 200-disk array has more than 86,000 individual RAID arrays on it, most of them being RAID 5(5+1). Array management is automatic and transparent to the storage system I just tell it how big a volume I want and what type of data protection. For performance reasons I'm migrating my RAID 5(5+1) to 3+1 next year after I add more space. I miscalculated the growth of the big driver of space on the current system so I had to migrate to 5+1(RAID level migrations have no service impact either on my array). On my system there is roughly only a 9% performance drop from RAID 1+0 to RAID 5+0, so in many cases running RAID 5 on my array is about the same as RAID 1 on other arrays, it's that fast. RAID 6 has a pretty good performance hit vs RAID 5 due to the extra parity disk, on some arrays the performance hit is even greater as the array calculates parity twice, NetApp I think has as good a RAID 6 implementation as there is, though they can't get around writing the parity information to two different disks. nate

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logrotate and regular expressions
by Sol Fulop 25 Sep '09

25 Sep '09

I am trying to use logrotate to rotate our web logs for our various vhosted sites to cut down on space and rotate out old logs that are not necessary to keep around personally. What Im curious to find out, is how supported extended regular expressions is within the logrotate.conf file. More specifically, will logrotate be smart enough to decipher the following: /path/to/logs/access_log.www.*.(com|org|net|us) The filename format for my logs are: access_log.www.domain.com/net/org/us. Thank you in advance. Sol

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opensc - pkcs#11 smartcard support for EL4
by John R Pierce 25 Sep '09

25 Sep '09

does anyone know if any repositories have OpenSC built for EL4 ? I've been struggling with building this myself, trying to get an Aladdin eToken working with OpenSSL so we can use it for client authentication of an SSL session.

1 0

Re: [CentOS] CentOS for non-tech user
by Les Mikesell 24 Sep '09

24 Sep '09

Sorin Srbu wrote: > >>> My mother runs CentOS on her computer at home. My wife does it on a >>> portable she lugs around on meetings. Why shouldn't CentOS be suitable > for >>> "home" users? CentOS's maintenance cycle alone got me all sweaty and hot >>> the first time I heard of it. ;-) >>> >> Yes, it's a very big plus. I'm comfortable using Fedora on my desktop, and > I >> use CentOS on my server, so with CentOS set to update regularly her >> maintenance needs should be minimal, which suits both of us very well ;-) > > Guessed as much. 8-) > > This is slightly OT, but does Fedora still have those six-months (or > thereabouts) cycles they had before? Yes - and for those suggesting ubuntu as better for a non-technical user I think the real question is whether the user will do any of their own changes (like adding new programs) and updates. If they do, ubuntu is probably a good choice. If they will ask you to do it for them, then it would be the system that you are most comfortable with maintaining. -- Les Mikesell lesmikesell(a)gmail.com

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Driver for Logitech QuickCam E2500 series webcam
by Andrew Allen 24 Sep '09

24 Sep '09

Does anybody know where I can find a driver for a Logitech E2500 webcam. I'm running CentOS 5 on my desktop and want to add a webcam for skype use. If I can yum install a driver from one of the repos that would be great. Andy

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problem with yum on centos4.7
by Timothy Chan 24 Sep '09

24 Sep '09

Hi all, Sorry for this newbie question. I am having a problem with yum on centos 4.7. When I try something like "yum update" I get the following error: file:///misc/CO4/updates/repodata/repomd.xml: [Errno 5] OSError: [Errno 2] No such file or directory: '/misc/CO4/updates/repodata/repomd.xml' Trying other mirror. Cannot open/read repomd.xml file for repository: update failure: repodata/repomd.xml from update: [Errno 256] No more mirrors to try. Error: failure: repodata/repomd.xml from update: [Errno 256] No more mirrors to try. I've tried "yum clean all" with no success. I'd be grateful for any help that I could get on this. Thanks. -tim

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Re: [CentOS] CentOS for non-tech user
by Anne Wilson 24 Sep '09

24 Sep '09

On Thursday 24 September 2009 13:37:54 Sorin Srbu wrote: > I'm guessing maintenance cycles. Anne? > > My mother runs CentOS on her computer at home. My wife does it on a > portable she lugs around on meetings. Why shouldn't CentOS be suitable for > "home" users? CentOS's maintenance cycle alone got me all sweaty and hot > the first time I heard of it. ;-) > Yes, it's a very big plus. I'm comfortable using Fedora on my desktop, and I use CentOS on my server, so with CentOS set to update regularly her maintenance needs should be minimal, which suits both of us very well ;-) Anne -- New to KDE4? - get help from http://userbase.kde.org Just found a cool new feature? Add it to UserBase

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Re: [CentOS] CentOS for non-tech user
by Anne Wilson 24 Sep '09

24 Sep '09

On Thursday 24 September 2009 13:34:24 Sorin Srbu wrote: > Just to be clear, my "there might be some repo(s) for this one" was meant > as Fedora generally speaking not, FC6 specifically. 8-) > OK - I tend to think of FC6 because it's the nearest, I think, to CentOS 5.x. Anne -- New to KDE4? - get help from http://userbase.kde.org Just found a cool new feature? Add it to UserBase

1 0

mdadm size issues
by Nathan Norton 24 Sep '09

24 Sep '09

Hi, I am trying to create a 10 drive raid6 array. OS is Centos 5.3 (64 Bit) All 10 drives are 2T in size. device sd{a,b,c,d,e,f} are on my motherboard device sd{i,j,k,l} are on a pci express areca card (relevant lspci info below) #lspci 06:0e.0 RAID bus controller: Areca Technology Corp. ARC-1210 4-Port PCI-Express to SATA RAID Controller The controller is set to JBOD the drives. All drives have the same partition size # fdisk -l Disk /dev/sda: 2000.3 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 1 243201 1953512001 83 Linux .... I go about creating the array as follows # mdadm --create --verbose /dev/md3 --level=6 --raid-devices=10 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdi1 /dev/sdj1 /dev/sdk1 /dev/sdl1 mdadm: layout defaults to left-symmetric mdadm: chunk size defaults to 64K mdadm: size set to 1953511936K Continue creating array? As you can see mdadm sets the size to 1.9T. Looking around there was this limitation on older versions of mdadm if they are the 32 bit version. I am using the 64 bit most up to date version from Centos. If I go ahead and say yes create the array, mdadm says the following (I have zeroed the drives before adding them and creating the array) # mdadm --detail /dev/md3 /dev/md3: Version : 0.90 Creation Time : Thu Sep 24 23:48:32 2009 Raid Level : raid6 Array Size : 15628095488 (14904.11 GiB 16003.17 GB) Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB) Raid Devices : 10 Total Devices : 10 Preferred Minor : 3 Persistence : Superblock is persistent Update Time : Thu Sep 24 23:48:32 2009 State : clean, resyncing Active Devices : 10 Working Devices : 10 Failed Devices : 0 Spare Devices : 0 Chunk Size : 64K Rebuild Status : 0% complete UUID : cfa565db:4d0e07ca:b4d87a59:6e96cb06 Events : 0.1 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 8 17 1 active sync /dev/sdb1 2 8 33 2 active sync /dev/sdc1 3 8 49 3 active sync /dev/sdd1 4 8 65 4 active sync /dev/sde1 5 8 81 5 active sync /dev/sdf1 6 8 129 6 active sync /dev/sdi1 7 8 145 7 active sync /dev/sdj1 8 8 161 8 active sync /dev/sdk1 9 8 177 9 active sync /dev/sdl1 Anyone got any ideas? Nathan

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Problem with raid0
by jussi＠mail.com 24 Sep '09

24 Sep '09

Hey! I have big problem with my centos 5.1. I have two hard discs 500gig and 40gig and those are in RAID0. I would like to remowe the small 40gig hd and put new 500gig hd and i don't wan't raid0 anymore. How can i copy data from 40gig hd to 500gig hd and switch 40gig hd to new 500gig hd? Another question: Can i just copy all my files to windows laptop and if i wan't "backup" files? Please answer my talent in linux isn't very good.

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Re: [CentOS] CentOS for non-tech user
by Anne Wilson 24 Sep '09

24 Sep '09

On Thursday 24 September 2009 10:31:55 Sorin Srbu wrote: > >-----Original Message----- > >From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > > Behalf Of Anne Wilson > >Sent: Thursday, September 24, 2009 11:11 AM > >To: CentOS mailing list > >Subject: [CentOS] CentOS for non-tech user > > > >I'm thinking of giving CentOS to a non-tech user for her new desktop. He > >needs are small. She has been used to Mozilla for both mail and browsing, > > so equivalents there are not a problem. She needs grip and lame, for her > > mp3s - again no problem. In fact the only problem I can see is that > > gwenview doesn't > >appear to have the kipi-plugins. I can see libkipi listed, but no > > plugins, and a pbone search didn't find it for me. Perhaps it's > > available from a repo that I don't have? This is the tool of choice for > > me, for photo-printing. > > > >I think I've covered the areas that she's interested in. Can anyone point > >out > >any other things I should consider? > > OpenOffice? > Yes, of course. Should have thought of that :-) However, that's no problem. > The RPMforge and Epel repos are always good bets, at least they have been > for me. Just make sure you use the yum-priorities plugin. You break it, > you buy it - kind of. ;-) > Yea, I know, "I get to keep the pieces" :-) I have both of those on my server box, which is where I'm testing what's available for her, but kipi-plugins isn't found be yum list or yum search. Strange when libkipi is there. Anne -- New to KDE4? - get help from http://userbase.kde.org Just found a cool new feature? Add it to UserBase

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updating php-dev
by Kevin Jenkins 24 Sep '09

24 Sep '09

Greetings, I'm currently using the c5-testing repo on CentOS 5.x/Redhat 5.x. I need to install APC (Alternative PHP Cache) but I'm getting a missing dependency error Missing Dependency: php = 5.1.6-23.2.el5_3 is needed by package php-devel. I was hoping somebody would be able to walk me through the steps of updating php-devel via the c5-testing repo? Thanks so much! Regards Kevin

1 0

Inquiry:How to check the presence of internal Bluetooth decive?
by hadi motamedi 24 Sep '09

24 Sep '09

Dear All Can you please do me favor and let me know how can I check for the presence of internal (built-in) Bluetooth device on my CentOS 5.0 server ? Let me thank you in advance

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Virtualizing an existing Centos 5.x installation
by Erick Perez 23 Sep '09

23 Sep '09

Hi all, i want to virtualize an existing Centos 5.x machine (intel xeon, 64 bit OS, Qlogic HBA) into a vmware 3.X VM that will not be connected to the SAN (hence no need for the HBA drivers). So i googled a while and found this link: http://virtualaleph.blogspot.com/2007/05/virtualize-linux-server-with-vmwar… However the link is quite old and I wonder if anyone here has done such conversion for something like Centos 5.x/Redhat 5.x Thanks, -- ------------------------------------------------------------ Erick Perez Cel +(507) 6675-5083 ------------------------------------------------------------

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SATA controler req
by Philip Gwyn 23 Sep '09

23 Sep '09

Hello, I'm looking for a recomendation for a SATA controlers. In the range of 4-8 ports, either PCI or PCIe (for desktop use) and/or PCI-X, PCIe (for server use). I'd especially like it if the Linux driver was already in CentOS or easily added. Everytime I find something interesting, a google search shows up either the drivers is for 2.6.30 (ie, not CentOS), someone tried it and it was unstable, or it has a proprietary driver. They will be used as JBOD, with mdadm for RAID where I need it. Thank you, -Philip

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rescan usb hd
by Bazooka Joe 23 Sep '09

23 Sep '09

I have a usb hd that I use for backup. Occasionally it dies. scsi 6:0:0:0: rejecting I/O to dead device scsi 6:0:0:0: rejecting I/O to dead device scsi 6:0:0:0: rejecting I/O to dead device scsi 6:0:0:0: rejecting I/O to dead device Buffer I/O error on device sdc1, logical block 0 lost page write due to I/O error on sdc1 EXT2-fs error (device sdc1): read_inode_bitmap: Cannot read inode bitmap - block_group = 129, inode_bitmap = 4227073 scsi 6:0:0:0: rejecting I/O to dead device scsi 6:0:0:0: rejecting I/O to dead device scsi 6:0:0:0: rejecting I/O to dead device Buffer I/O error on device sdc1, logical block 0 lost page write due to I/O error on sdc1 EXT2-fs error (device sdc1): ext2_readdir: bad page in #2 scsi 6:0:0:0: rejecting I/O to dead device scsi 6:0:0:0: rejecting I/O to dead device Buffer I/O error on device sdc1, logical block 0 lost page write due to I/O error on sdc1 EXT2-fs error (device sdc1): ext2_get_inode: unable to read inode block - inode=2, block=1027 scsi 6:0:0:0: rejecting I/O to dead device scsi 6:0:0:0: rejecting I/O to dead device Buffer I/O error on device sdc1, logical block 0 lost page write due to I/O error on sdc1 EXT2-fs error (device sdc1): ext2_readdir: bad page in #2 If i unmount it and try to remount it it says sdc1 does not exist. I am not at the location so physically unplugging then replugging in the drive isn't a convenient option. How can I get the os to rescan the usb device so I can remount? thx bazooka

6 10

Video capture under CentOS
by MHR 23 Sep '09

23 Sep '09

I recently purchased a Diamond VC500 video capture device that runs on the USB. It has some interesting issues under Windoze, but I was wondering: I did a google for video catpreu and linux and most of what I found either said it can't be done or the software that did/does it is obsolete. Can anyone point me in a better direction (and which way)? Thanks. mhr

4 4

Re: [CentOS] sshd options - centos 5.3
by Karl Kobata 23 Sep '09

23 Sep '09

I want to thank everyone for contributing to solving the implementation problem I was having. It seems in the end it was an "operator" problem. To summarize the results: - regarding sshd port change - uncomment port, and change the port number entry in /etc/ssh/sshd_config. Restart the sshd service. Update /etc/sysconfig/iptables to reflect the port number change from 22 to the port number specified in / etc/ssh/sshd_config, then restart iptables service. - PasswordAuthentication no - this requires an additional option to be change, "ChallengeResponseAuthentication no". Having made both of these changes, causes the login to abort is a valid ssh key is not specified. Again many thanks to everyone. _____ From: Karl Kobata [mailto:Karl.Kobata@syncira.com] Sent: Tuesday, September 22, 2009 11:02 AM To: 'centos(a)centos.org' Subject: sshd options - centos 5.3 I have installed cento 5.3. I enabled the ssh deamon. I have found that 2 options that I normally use does respond as I expect. Has anyone else had similar problems with the following options in sshd_config: - Port 6666 - if I set the port to anything other than 22 (default), using ssh -p6666 name@servername, does not work. Yet if I leave keep the default, then ssh name@servername allows me to login. - PasswordAuthentication no - if I set this option to "no" (default is "yes"), and my ssh key is either missing or in error, I will be prompted for user system login password. If this is set to "no", it should not allow me to login if I have not ssh key specified or in error. Has anyone else run into this problem. Is there a workaround? What are my options? Please help.

1 0

about ntpq result..
by MontyRee 23 Sep '09

23 Sep '09

Hello, all. I want to ask some about ntpd. I set 'server' directive like below at ntp.conf server 0.centos.pool.ntp.org For example, I can see the ntpq result like below. remote refid st t when poll reach delay offset jitter ============================================================================== * 10.10.23.44 211.115.xx.xx 3 u 62 64 1 1.892 -3.882 0.001 if 0.centos.pool.ntp.org has multiple ip address 10.10.23.44 and 10.10.23.45, and after some time 10.10.23.44 goes down, courrent configuration(10.10.23.44) will be changed to 10.10.23.45 automatically or not without restarting ntpd? Surely, I know that I can set multiple domains like below. But let's assume that just set one domain. server 1.centos.pool.ntp.org server 2.centos.pool.ntp.org Thanks in advance. _________________________________________________________________ 클릭 한번으로 전세계 이미지가 검색됩니다. 지금 라이브 검색을 체험해보세요. http://www.live.com/?scope=images

2 1

Promlem with broken yum/rpm
by Peter Beck 23 Sep '09

23 Sep '09

Hi all, I have lost/corrupted the libraries related to the expat package. This has caused rpm and yum to stop working effectively stopping my ability to manage my server. Recently a bug was reported by cmisare on the CentOS site that had exactly the same symptoms http://bugs.centos.org/view.php?id=3757 Btw rpm crashes with exactly the same message. I was hoping that cmisare, or someone else on this list, may be able to explain to me how he/she managed to get yum working again, as must be the case as it crashes in the first post but is working in the second post. Any help would be very much appreciated. Peter

2 1

installonlypkgs vs. exclude in yum.conf
by Michael Nausch 23 Sep '09

23 Sep '09

HI, with "exclude" in yum.conf I can exclude kernel-updates via: exclude=kernel* If I use installonlypkgs, what happend exactly? Like: installonlypkgs=kernel kernel-smp kernel-devel kernel-smp-devel kernel-largesmp kernel-largesmp-devel kernel-hugemem kernel-hugemem-devel What's the difference betwenn update and installonly? Thanx! ttyl, Django -- "Bonnie & Clyde der Postmaster-Szene!" approved by Postfix-God http://wetterstation-pliening.info http://dokuwiki.nausch.org

2 1

MySQL setup: initial user weirdness
by Niki Kovacs 22 Sep '09

22 Sep '09

Hi, I've always been a bit puzzled by MySQL's initial setup. Right after installing MySQL, no password is set, so that's the first thing I care about. I know there's a way to do that with mysqldadmin, but hey, different ways lead to Saint-Bauzille-de-Montmel. # chkconfig mysqld on # service mysqld start # mysql -u root mysql> use mysql; mysql> select user, host, password from user; +------+-----------+----------+ | user | host | password | +------+-----------+----------+ | root | localhost | | | root | buildbox | | | root | 127.0.0.1 | | | | localhost | | | | buildbox | | +------+-----------+----------+ 5 rows in set (0.00 sec) This shows that in my initial setup, I have no less than five initial users. A root user for three different hosts (localhost, buildbox and 127.0.0.1), and an empty user for two different hosts (localhost and buildbox). I don't know if I'm expected to set five passwords (five times the same? five different passwords?) for these five entities, but what I usually do is just get rid of every initial user except root@localhost. In that case: mysql> delete from user where user = ''; Query OK, 2 rows affected (0.01 sec) mysql> select user, host, password from user; +------+-----------+----------+ | user | host | password | +------+-----------+----------+ | root | localhost | | | root | buildbox | | | root | 127.0.0.1 | | +------+-----------+----------+ 3 rows in set (0.00 sec) Here goes the empty user. Now for the remaining two: mysql> delete from user where host = 'buildbox'; Query OK, 1 row affected (0.01 sec) mysql> delete from user where host = '127.0.0.1'; Query OK, 1 row affected (0.00 sec) Which leaves me with only root@localhost: mysql> select user, host, password from user; +------+-----------+----------+ | user | host | password | +------+-----------+----------+ | root | localhost | | +------+-----------+----------+ 1 row in set (0.00 sec) And now I can define a password for that single initial user: mysql> set password for root@localhost = password('my_secret_password'); mysql> select user, host, password from user; +------+-----------+------------------+ | user | host | password | +------+-----------+------------------+ | root | localhost | 2d97271970b60f82 | +------+-----------+------------------+ 1 row in set (0.00 sec) mysql> quit; And from now on, I can safely connect to the MySQL monitor using mysql -u root -p. I've done things like this for the past two or three years, and just now I wonder: am I doing something silly here? After all, maybe these other initial users have some obscure reason to be there in the first place? So I thought: why not ask? Niki

2 3

installing 5.3 with 512M ram really slow
by Jerry Geis 22 Sep '09

22 Sep '09

I was installing centos 5.3 x86_64 on a sempron 2.7G machine with 512M ram. The install started off fine then REALLY SLOWED down about 70% into install. I did have a swap space. after that it just crawled. I tried restart the install a couple times at 512M. Same thing around 70% the slow down. I then put in 1G of RAM and everything zipped on past and finished fine. Does 5.3 have minimum installation RAM requirements? I had not noticed. Does the same apply for running? 5.2 did not seem to have any issues running in 512M that I recall. Thanks for your comments. jerry

8 7

sshd options - centos 5.3
by Karl Kobata 22 Sep '09

22 Sep '09

I have installed cento 5.3. I enabled the ssh deamon. I have found that 2 options that I normally use does respond as I expect. Has anyone else had similar problems with the following options in sshd_config: - Port 6666 - if I set the port to anything other than 22 (default), using ssh -p6666 name@servername, does not work. Yet if I leave keep the default, then ssh name@servername allows me to login. - PasswordAuthentication no - if I set this option to "no" (default is "yes"), and my ssh key is either missing or in error, I will be prompted for user system login password. If this is set to "no", it should not allow me to login if I have not ssh key specified or in error. Has anyone else run into this problem. Is there a workaround? What are my options? Please help.

4 3

Re: [CentOS] sshd options - centos 5.3
by Karl Kobata 22 Sep '09

22 Sep '09

Hi Michel, > Hi, > On Tue, 2009-09-22 at 11:01 -0700, Karl Kobata wrote: > > I have installed cento 5.3. I enabled the ssh deamon. I have found > > that 2 options that I normally use does respond as I expect. Has > > anyone else had similar problems with the following options in > > sshd_config: > > > > - Port 6666 - if I set the port to anything other than 22 (default), > > using ssh -p6666 name at servername <http://lists.centos.org/mailman/listinfo/centos> , does not work. Yet if I leave keep > > the default, then ssh name at servername <http://lists.centos.org/mailman/listinfo/centos> allows me to login. > Did you check your iptables rules ? port 6666 is closed by default. I > use a sshd with port 443, so it should work. Was this the only change you made to change the port? Did you also makes changes in iptables? > > > > - PasswordAuthentication no - if I set this option to "no" (default is > > "yes"), and my ssh key is either missing or in error, I will be > > prompted for user system login password. If this is set to "no", it > > should not allow me to login if I have not ssh key specified or in > > error. Has anyone else run into this problem. > Erhm.. I remember it does ask for a password but just doesn't let you > in. But I can me mistaken :) It does ask you for a password, and if you entered your user system password, It will log you in. I am surprised that this failure exists. > > Regards, > > Michel

2 1

Re: [CentOS] sshd options - centos 5.3
by Karl Kobata 22 Sep '09

22 Sep '09

Hi Larry, > On Tue, Sep 22, 2009 at 1:01 PM, Karl Kobata <Karl.Kobata at syncira.com <http://lists.centos.org/mailman/listinfo/centos> > wrote: > > - Port 6666 - if I set the port to anything other than 22 (default), using > > ssh -p6666 name at servername <http://lists.centos.org/mailman/listinfo/centos> , does not work. Yet if I leave keep the default, > > then ssh name at servername <http://lists.centos.org/mailman/listinfo/centos> allows me to login. > You need to change the port in iptables as well. How do I modify the iptables? thanks

2 1

Question about iostat output
by Pascal Robert 22 Sep '09

22 Sep '09

Hello, We are planning to moving most of our servers to ESX but before buying our SAN, we want to do some I/O stats to see if iSCSI is enough or if we have to go with FC. So I found a plugin for Nagios that can log I/O stats with iostat. So far it's fine with single disk/one partition servers, but on our Oracle Database 10g server, we have two drives in RAID 1 (/dev/sda) and 4 other drives in RAID 10 (/dev/sdb). When I query iostat, I get : [root@golgoth ~]# iostat Linux 2.6.9-55.ELsmp (golgoth.acaiq-ctb.lan) 09/21/2009 avg-cpu: %user %nice %sys %iowait %idle 1.83 0.00 3.04 0.79 94.34 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 8.44 12.25 32.40 489731534 1295151278 sda1 0.00 0.00 0.00 21360 7478 sda2 6.60 80.90 44.41 3234128950 1775185432 sda3 0.05 0.20 0.23 7852212 9358056 sda4 0.00 0.00 0.00 2 0 sda5 41.16 38.59 95.20 1542695170 3805566528 sdb 2.84 72.63 28.91 2903208392 1155519494 sdb1 3.67 77.14 23.90 3083762026 955474128 sdb2 1.62 102.92 5.00 4114412086 200045262 So why sda have a lower TPS and bytes read/write than one of it's partitions (sda5, which is the root partition)? I guess I would have to collect the stats for each partitions to get what the total?

4 4

Xnest unable to connect with firewall enabled
by Sid Kapoor 22 Sep '09

22 Sep '09

Hi all, I have worked on both CentOS 5.2 and CentOS 5.3. In CentOS 5.2, I could connect to a remote X-server using Xnest binary provided by the package xorg-x11-server-Xnest-1.1.1-48.41.el5 with firewall settings enabled. I enabled the firewall settings from system-config-securitylevel. Now in CentOS 5.3 with firewall settings enabled, I am unable to connect to the remote X-server using Xnest (xorg-x11-server-Xnest-1.1.1-48.52.el5). To successfully connect, I have to either disable firewall settings or filter the TCP ports on which Xnest connects to the remote server. Is there an issue regarding firewall settings in CentOS 5.3 ? I want to connect to the remote X-server without disabling the firewall settings. How is possible ? Thanks in advance. Siddharth

3 4

dhcpd logging to dhcpd.log only
by Dan Carl 22 Sep '09

22 Sep '09

I've added this to my dhcpd.conf log-facility local6; and added this to my syslog.conf local6.* /var/log/dhcpd.log It's still writing to dhcpd info to both log files. How do I stop this. I've googled but all suggested modifications I've made to the dhcpd.conf causes dhcpd to not start. Thanks Dan

2 2

CentOS-announce Digest, Vol 55, Issue 8
by centos-announce-request＠centos.org 22 Sep '09

22 Sep '09

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2009:1452 Moderate CentOS 4 i386 neon Update (Johnny Hughes) 2. CESA-2009:1452 Moderate CentOS 4 x86_64 neon Update (Johnny Hughes) 3. CESA-2009:1453 Moderate CentOS 4 i386 pidgin Update (Johnny Hughes) 4. CESA-2009:1453 Moderate CentOS 4 x86_64 pidgin Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 22 Sep 2009 08:46:23 -0500 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2009:1452 Moderate CentOS 4 i386 neon Update To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <4AB8D52F.1070803(a)centos.org> Content-Type: text/plain; charset="iso-8859-1" CentOS Errata and Security Advisory 2009:1452 Moderate Upstream details at : http://rhn.redhat.com/errata/RHSA-2009-1452.html The following updated files have been uploaded and are currently syncing to the mirrors: i386: neon-0.24.7-4.el4_8.2.i386.rpm neon-devel-0.24.7-4.el4_8.2.i386.rpm src: neon-0.24.7-4.el4_8.2.src.rpm

1 0

Inquiry:Virtualizer software for Windows guest on CentOS host
by hadi motamedi 22 Sep '09

22 Sep '09

Dear All Can you please do me favor and let me know if there is an virtualizer software that allows installing Windows XP as guest on CentOS 5 as host ? Please be informed that my server has been installed with CentOS 5 on x86 platform and I need to have Windows XP on it as well . Let me thank you in advance

4 4

Drawing Management software
by Rajagopal Swaminathan 22 Sep '09

22 Sep '09

Greetings, A slightly OT question: Are there any opensource/free Drawing management software for Engineering offices that any of the member is aware of? This question after riding the web with our friend Google perhaps with wrong phrasology... TIA Regards, Rajagopal

3 2

Re: [CentOS] Xnest unable to connect with firewall enabled (possible bug with 5.3)
by Sid Kapoor 22 Sep '09

22 Sep '09

Hi, My requirement is to use Xnest only. It was working seamlessly with 5.2 but not with 5.3 I am using this command to connect to the remote X-server. Xnest :1 -geometry 800x600 -query *<ip-address-of-X-server>* Can anyone confirm the same behavior? Or shall I file the bug in bugzilla? Sid On Tue, Sep 22, 2009 at 10:06 AM, Sid Kapoor <sidkapoor2000(a)gmail.com>wrote: > Hi Nate, > > Thnx for the reply, but I want to connect through Xnest itself... Any clues > ? > > Sid > > > On Mon, Sep 21, 2009 at 8:21 PM, nate <centos(a)linuxpowered.net> wrote: > >> Sid Kapoor wrote: >> >> > Is there an issue regarding firewall settings in CentOS 5.3 ? I want to >> > connect to the remote X-server without disabling the firewall settings. >> How >> > is possible ? >> >> use X11 forwarding over SSH, more secure, and usually quite a >> bit faster if you enable compression(-C). >> >> nate >> >> _______________________________________________ >> CentOS mailing list >> CentOS(a)centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > > > > -- > Siddharth Kapoor > Mobile - 9999169466 > -- Siddharth Kapoor Mobile - 9999169466

1 0

Clarify TTY and virtual consoles
by Yungwei Chen 21 Sep '09

21 Sep '09

Hi, I need some help to clarify TTY and virtual consoles. Thanks a lot. 1. I learned that to switch from one TTY to another, one must be at the physical machine. Does the same apply to virtual consoles? 2. My /etc/inittab includes the following. Does that mean there's only one instance of TTY on my CentOS? ... # Run gettys in standard runlevels co:2345:respawn:/sbin/agetty xvc0 9600 vt100-nav #1:2345:respawn:/sbin/mingetty tty1 #2:2345:respawn:/sbin/mingetty tty2 #3:2345:respawn:/sbin/mingetty tty3 #4:2345:respawn:/sbin/mingetty tty4 #5:2345:respawn:/sbin/mingetty tty5 #6:2345:respawn:/sbin/mingetty tty6 3. My CentOS was installed with Base option only. (This should be the minimum.) I don't plan to use any GUI stuff, and I always connect to my CentOS server using SSH. In this case, do I still need virtual consoles and TTYs defined in /etc/securetty? 4. What does "console" mean in /etc/securetty?

1 0

NetworkManager invalid numeric argument
by Brian Becker 21 Sep '09

21 Sep '09

Got the following error running the latest yum update, any thoughts? useradd: invalid numeric argument 'avahi-autoipd' error: %pre(NetworkManager-0.7.0-4.el5_3.i386) scriptlet failed, exit status 3 error: install: %pre scriptlet failed (2), skipping NetworkManager-0.7.0-4.el5_3 Brian

2 2

network not starting and maybe other services in a virtual machine
by Jerry Geis 21 Sep '09

21 Sep '09

I am installing centos 5.3 i386 in a virtual machine. I am using kvm-87 (which I use for other images just fine). The box installed fine, it boots up I can login but NONE of the services are starting . When watching the boot up process it goes from the "Welcome to CentOS 5.3 " directly to mounting the partitions and a login prompt. All the services are not being started. What didnt happen at install? or what do I check now. /etc/inittab looks normal. Thanks, Jerry

2 3

Receive, process and send email
by CSB 21 Sep '09

21 Sep '09

We wish to do the following: 1. receive an email with an attachment 2. process the email body to get some information from it 3. send an outbound email to an email address based on the information derived from step 2. The email will include the attachment received in step 1 I'm not sure where to start with this one so any suggestions would be appreciated.

8 8

Status of RPMForge || RPMRepo
by Andrew Hull 21 Sep '09

21 Sep '09

Are the websites for RPMForge or RPMRepo off line for anyone else? As an aside (since I am just noticing), how long has rpmforge.net redirected to rpmrepo.org/rpmforge? Thanks, Andy

3 2

How does LVM decide which Physical Volume to write to?
by Oliver Ransom 21 Sep '09

21 Sep '09

Hi everyone. This isn't specifically a CentOS question, since it could apply for any distro but I hope someone can answer it anyway. I took the following steps but was puzzled by the outcome of the test at the end: 1. Create a RAID1 array called md3 with two 750GB drives 2. Create a RAID1 array called md9 with two 500GB drives 3. Initialise md3 then md9 as physical volumes (pvcreate) 4. Create a new volume group called "3ware" with md3 (helps me remember what controller the disks are on) 5. Use vgextend and add md9 to the 3ware volume group. 6. Add a logical volume filling the volume group then create a ext3 filesystem on the entire volume. Now I started moving a lot of data onto the volume and iostat said all the data was being written to md9. Why that array? How does it decide which physical volume to write to? I could not find any documentation or information online about how exactly this works. Thanks! Oliver

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