Discuss November 2005

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368 discussions

root file system on multipathed device and some other questions
by Aleksandar Milivojevic 07 Nov '05

07 Nov '05

I was playing a bit with multipathed devices (over two FC HBAs on SAN) last week (I had some hardware for limited time to play with). The support for multipathing in device mapper seems to be a bit newer thing, and I was left with couple of questions (things I haven't managed to try out while I had the hardware)... Is it possible to have root file system on multipathed device? I guess in this case some multipathing setup would need to occur when init scritps from initrd image are run, but I don't think mkinitrd is capable of generating such scripts (I might create it by hand, though, but than it wouldn't be recreated correctly on kernel upgrades). What about LVM? If I define physical volume on multipathed device, when vgscan is run from initrd image, and say multipathing is not setup yet, it will scan (for example) /dev/sda and /dev/sdb, which both point to same device. Is it going to be confused when it finds something that looks to it as two identical physical volumes? Or if vgscan is run after multipathing is setup, it would see something that might look to it as three identical physical volumes. /dev/sda and /dev/sdb which represent two paths to the same device, and then /dev/mapper/WWPN (where WWPN is long hex number) which is just multipathed mapping to sda and sdb. Or would it be smart enough not to use sda and sdb in this case, and use only "multipathed" device entry from /dev/mapper? ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program.

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which package has applet-widget.h
by Jerry Geis 07 Nov '05

07 Nov '05

On Sun, 2005-11-06 at 23:40 -0500, Jerry Geis wrote: >/ On Sun, 2005-11-06 at 23:12 -0500, Jerry Geis wrote: />/ >/ On Sun, 2005-11-06 at 18:44 -0500, Jerry Geis wrote: />/ />/ >/ I am trying to compile gtik.c and it wants to include applet-widget.h />/ />/ />/ I have installed gnome-panel-devel and it cannot find it. />/ />/ />/ />/ />/ />/ What package has appet-widget.h? />/ />/ / />/ />/ "yum provides applet-widget.h" />/ />/ />/ />/ it says no packages found... />/ />/ />/ />/ I have a gnome applet (gtik) that is including applet-widget.h />/ />/ and now it is saying the file cant be found? />/ />/ />/ / />/ That file is not included in CentOS-4 />/ />/ John, do you have a suggestion of what to do now? />/ />/ I am trying to compile gtik and it needs/wants this applet-widget.h (gtik is a gnome app) />/ />/ also gtik is supposed to be included in gnome. I think i found that as /usr/bin/gtik.applet />/ />/ however when running I get cannot find libpanel_applet. />/ />/ a yum provides libpanel_applet results in nothing.. />/ />/ I am stuck. Any pointers is appreciated. />/ />/ Jerry />/ / >After doing some research, gtik2_applet2 is included in CentOS-4 ... no >building required. The version you seem to want to build is older. >If you are using GNOME, just right click on the top bar and click "A>dd >to Panel" ... the move down and pick "Stock Ticker". Thanks, that was what I was trying to find and use. Jerry

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More info on 3Ware 9550SX from the field (in case anyone else is interested)
by Chris Mauritz 07 Nov '05

07 Nov '05

From a buddy of mine that has spent a little time with the new cards. This was in response to my email asking about his impressions of them: It just came out in mid-September. There are a couple reasons I'm not thrilled with it: 1) no 8-port multilane version (only 12) 2) the 8-port non-multilane version is a kludge, connector-wise (a row of 3 double-stacked connectors along the edge, for 6 ports, and 2 double-stacked connectors in the middle of the board, of which the first connector in the stack is a dummy) 3) They are only on the first release of the software (9.3.0, the first- ship release, didn't work, and they released 9.3.0.1). At some point they will ship a unified release for the 9550 and 9500, but that's a ways off 4) no BBU support (yet).

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CentOS-announce Digest, Vol 9, Issue 5
by centos-announce-request＠centos.org 07 Nov '05

07 Nov '05

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-2005:808 Important CentOS 4 i386 kernel - security update (CENTOSPLUS only) (Johnny Hughes) 2. CESA-2005:808 Important CentOS 4 x86_64 kernel - security update (CENTOSPLUS only) (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Sun, 06 Nov 2005 19:32:40 -0600 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2005:808 Important CentOS 4 i386 kernel - security update (CENTOSPLUS only) To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <1131327160.3537.41.camel(a)myth.home.local> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory 2005:808 https://rhn.redhat.com/errata/RHSA-2005-808.html This update is for the CENTOSPLUS repository only. We were waiting to roll in new code for the xfs file system from SGI, but that code is not yet ready. This release of the CENTOSPLUS kernel has the 2.6.9-22.0.1.EL code from upstream and is built like the previous CENTOSPLUS kernels with all the same items enabled. When the new SGI code for CENTOSPLUS becomes available, it will be released in an updated kernel. The following updated files have been uploaded and are currently syncing to the mirrors: i386: kernel-2.6.9-22.0.1.106.unsupported.i586.rpm kernel-2.6.9-22.0.1.106.unsupported.i686.rpm kernel-devel-2.6.9-22.0.1.106.unsupported.i586.rpm kernel-devel-2.6.9-22.0.1.106.unsupported.i686.rpm kernel-doc-2.6.9-22.0.1.106.unsupported.noarch.rpm kernel-hugemem-2.6.9-22.0.1.106.unsupported.i686.rpm kernel-hugemem-devel-2.6.9-22.0.1.106.unsupported.i686.rpm kernel-smp-2.6.9-22.0.1.106.unsupported.i586.rpm kernel-smp-2.6.9-22.0.1.106.unsupported.i686.rpm kernel-smp-devel-2.6.9-22.0.1.106.unsupported.i586.rpm kernel-smp-devel-2.6.9-22.0.1.106.unsupported.i686.rpm src: kernel-2.6.9-22.0.1.106.unsupported.src.rpm

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CentOS + GFS + EtherDrive
by Bowie Bailey 07 Nov '05

07 Nov '05

I am considering building a pair of storage servers that will be using CentOS and GFS to share the storage from a Coraid (SATA+Raid) EtherDrive shelf. Has anyone else tried such a setup? Is GFS stable enough to use in a production environment? There is a build of GFS 6.1 at http://rpm.karan.org/el4/csgfs/. Has anyone used this? Is it stable? Will I run into any problems if I use CentOS 3.5 with it's GFS package to access a shared 5TB filesystem? I've been googling on this stuff off and on for a month now. I've found a bunch of conflicting and confusing information, but no clear answers. I've been kind of hoping that the new GFS 6.1 packages would be released while I was waiting... :) I appreciate any suggestions or pointers. Bowie

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"qc-usb" kernel module src.rpm for CentOs 4.2 compile issues
by J.J.Garcia 07 Nov '05

07 Nov '05

Hi Ignacio, I'm running Centos 4.2 on some machines and just wonder which is the correct procedure to build one of your packages i've fonund in the fedora.ivazquez.net for FC4 but for CentOs for kernel-modules: http://fedora.ivazquez.net/yum/4/i386/SRPMS.ivazquez/kernel-module-qc-usb-0… http://fedora.ivazquez.net/yum/3/i386/SRPMS.ivazquez/kernel-module-qc-usb-0… I've tried unsuccesfully (following dag's Faq for rebuilding against the current kernel): # rpmbuild --rebuild --define 'kernel $(uname -r)' --target $(uname -m)\ kernel-module-qc-usb-0.6.3-0.iva.1.src.rpm TIA JJ

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which package has applet-widget.h
by Jerry Geis 07 Nov '05

07 Nov '05

On Sun, 2005-11-06 at 23:12 -0500, Jerry Geis wrote: >/ On Sun, 2005-11-06 at 18:44 -0500, Jerry Geis wrote: />/ >/ I am trying to compile gtik.c and it wants to include applet-widget.h />/ />/ I have installed gnome-panel-devel and it cannot find it. />/ />/ />/ />/ What package has appet-widget.h? />/ / />/ "yum provides applet-widget.h" />/ />/ it says no packages found... />/ />/ I have a gnome applet (gtik) that is including applet-widget.h />/ and now it is saying the file cant be found? />/ / That file is not included in CentOS-4 John, do you have a suggestion of what to do now? I am trying to compile gtik and it needs/wants this applet-widget.h (gtik is a gnome app) also gtik is supposed to be included in gnome. I think i found that as /usr/bin/gtik.applet however when running I get cannot find libpanel_applet. a yum provides libpanel_applet results in nothing.. I am stuck. Any pointers is appreciated. Jerry

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which package has applet-widget.h
by Jerry Geis 07 Nov '05

07 Nov '05

On Sun, 2005-11-06 at 18:44 -0500, Jerry Geis wrote: >/ I am trying to compile gtik.c and it wants to include applet-widget.h />/ I have installed gnome-panel-devel and it cannot find it. />/ />/ What package has appet-widget.h? / "yum provides applet-widget.h" it says no packages found... I have a gnome applet (gtik) that is including applet-widget.h and now it is saying the file cant be found? Any suggestions? Thanks, Jerry

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vsftpd resource hogging on 4.2
by Chris Mauritz 07 Nov '05

07 Nov '05

I've just noticed an odd bit of behaviour with 4.2. I'm using FTP to send a number of large binary files from a windows 2000 machine to a CentOS 4.2 system. Both systems are similarly configured (Athlon64 3200+, 1gig RAM, 80gig system disk, 1.2TB scratch RAID 0 array, gigabit ether to a dumb switch on which they are the only hosts). On the very first file, about 17.5gigs, I got about 30MB/sec. Not spectacular, but reasonably fast. On subsequent files, I only get about 25% of that throughput and vsftpd on the CentOS machine is eating 99.9% of the cpu, which is probably what is killing performance. Both machines are reading or writing to a RAID 0 array of 4 reasonably fast drives so I'm assuming that's not the bottleneck. I've also disabled SElinux and iptables on the Linux machine since the machines are in a non-internet sandbox. Any suggestions would be greatly appreciated. Cheers,

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which package has applet-widget.h
by Jerry Geis 07 Nov '05

07 Nov '05

I am trying to compile gtik.c and it wants to include applet-widget.h I have installed gnome-panel-devel and it cannot find it. What package has appet-widget.h? Thanks, Jerry

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Discuss November 2005