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Asus M3A78-EMH HDMI NCQ-issues
by Simen Timian Thoresen 03 Jun '08

03 Jun '08

Hi all, I'm sure this eventually will be resolved with a BIOS or kernel update, but in case someone experiences this on this or a similar motherboard, I thought I'd post a problem-and-workaround report. Platform CentOS5, x86_64 kernel-2.6.18-53.1.21.el5 Motherboard Asus M3a78-EMH HDMI SATA-controller configured as AHCI Experienced symptom; Periodic, ~20s lockups/freezes, several a day, in conjunction with disk (SATA) I/O. Kernel logs something like this; ata3.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x2 frozen ata3.00: cmd 61/08:00:71:18:7d/00:00:02:00:00/40 tag 0 cdb 0x0 data 4096 out res 40/00:00:00:4f:c2/00:00:00:4f:c2/00 Emask 0x4 (timeout) ata3: soft resetting port ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata3.00: configured for UDMA/133 ata3: EH complete SCSI device sdc: 234441648 512-byte hdwr sectors (120034 MB) sdc: Write Protect is off sdc: Mode Sense: 00 3a 00 00 SCSI device sdc: drive cache: write back (on a side note, the system has 6 SATA disks, the older ST3120827AS Seagate-disk here exhibits this significantly more often than the others, but they too are affected) From other sources this is reported as a AHCI NCQ bug. My workaround, which was suggested somewhere else, was to disable NCQ; (in rc.local) for D in sd{a,b,c,d,e,f} ; do echo 1 > /sys/block/$a/device/queue_depth done This resolves the above issue, and from several times an hour, I have not experienced it since (~30h). Yours, -S -- Simen Thoresen, Dolphin ICS Systems Administration and Wulfkit Support

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RDesktop and redirected MF Printers
by Joseph L. Casale 03 Jun '08

03 Jun '08

I need to redirect a printer/scanner with rdesktop, anyone know of this is doable? Thanks! jlc

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FW: Partitioning help
by Rajeev R. Veedu 03 Jun '08

03 Jun '08

Hi, I have Centos server 4.5 with 3.3TB raid disk on a 3 ware controller. Now the problem is that I am not able to see the partition in full since it shows only 1.2TB. I have created a partition with Parted and (GNU PARTED) and I have seen it is 3.3 T there. However I have to make this partition on ext3 with make2efs j /dev/sda1 and after the formatting it went to 1.2T. Could someone help me to address this issue by suggesting a proper partitioning utility which does this for me?. It is a production server on which 2 hdd had been failed and I need to make it up and running ASAP. Any suggestion and help would be really appreciated. Regards, Rajeev R. Veedu

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slightly OT - gphpedit on CentOS 5?
by Ray Leventhal 03 Jun '08

03 Jun '08

Hi all, Advance apologies for being slightly OT. Has anyone had successes with installing gphpedit on CentOS 5? There don't seem to be any rpms avail for our distro and I'm far too new to roll my own. Thanks in advance (off - list replies are welcome if that's more appropriate) -Ray

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CentOS-announce Digest, Vol 40, Issue 1
by centos-announce-request＠centos.org 03 Jun '08

03 Jun '08

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-2008:0288 Critical CentOS 3 ia64 samba - security update (Pasi Pirhonen) 2. CESA-2008:0288 Critical CentOS 4 ia64 samba - security update (Pasi Pirhonen) 3. CESA-2008:0288 Critical CentOS 3 s390(x) samba - security update (Pasi Pirhonen) 4. CESA-2008:0288 Critical CentOS 4 s390(x) samba - security update (Pasi Pirhonen) ---------------------------------------------------------------------- Message: 1 Date: Mon, 2 Jun 2008 16:33:20 +0300 From: Pasi Pirhonen <upi(a)centos.fi> Subject: [CentOS-announce] CESA-2008:0288 Critical CentOS 3 ia64 samba - security update To: centos-announce(a)centos.org Message-ID: <20080602133320.GT2456(a)centos.fi> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory 2008:0288 https://rhn.redhat.com/errata/RHSA-2008-0288.html The following updated files have been uploaded and are currently syncing to the mirrors: ia64: updates/ia64/RPMS/samba-3.0.9-1.3E.15.ia64.rpm updates/ia64/RPMS/samba-client-3.0.9-1.3E.15.ia64.rpm updates/ia64/RPMS/samba-common-3.0.9-1.3E.15.ia64.rpm updates/ia64/RPMS/samba-swat-3.0.9-1.3E.15.ia64.rpm -- Pasi Pirhonen - upi(a)iki.fi - http://pasi.pirhonen.eu/ Top-postings silently ignored

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Booting Diskless Workstations
by Joseph L. Casale 03 Jun '08

03 Jun '08

I made a post in the Fedora list that didn't yield much help regarding this. I need to use a CentOS5.1 server to remotely boot a few Fedora 9 workstations. I have the option of using straight PXE, or even reflashing gPXE to the LOM for the clients. What I am interested in knowing is the best approach to this. 1. Should I just do iSCSI backed diskless setups? Probably doesn't scale well. 2. I looked at ltsp, but I can't present a fc9 environment with a RH5.1 server? The workstations would be fairly stateless, I intended on redirecting home dirs to a persistent share that gets backed up. Any ideas I can look into would be greatly appreciated! Thanks, jlc

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ycl repository NOT FOUND (needed for gnumeric install)
by Primorec 03 Jun '08

03 Jun '08

When yum tries to acces yjl repository, http://yellowjacketlinux.fileburst.com/yum/yjl/el5/i386/yjl-misc/repodata/r… it gets back Not Found The requested URL /yum/yjl/el5/i386/yjl-misc/repodata/repomd.xml was not found on this server. Few days ago everything was OK. This repository is needed for the gnumeric install on CentoOS 5.1. Is there an alternate repo available for the gnumeric ? Igor

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RE: Largish filesystems [was Re: XFS install issue]
by mslist＠opcenter.net 03 Jun '08

03 Jun '08

To start I wish to that you for the swift response on this issue. I do not think that I would get such a quick response from a proprietary (closed-source) company. Open Source :-). To respond to one the comments about large file systems recommend you split it in several smaller (2-4TB) filesystems This is not feasible in many situations. In some situations 2-4TB is not even a reasonable starting point. A little background. I have been using RH from v2 to v9. and in v9 I did get an install ISO of RH9 that included XFS support. Way back then I used it on a 1.4TB PATA hardware raid 5 (A lot of disk for it time). The system is still operational with out any FS issues short of failed drives. Fixed with the hot spares on the system. in five years of operation the system has had one outage a maintenance reboot Less then 2min down). After RH9 I switched to Centos. The system that I am currently configuring with 7+ TB of storage is one of the smaller storage servers for our systems. Using the same configuration with more drives we are planning several 20TB+ systems. For the work we do a single file system over 100TB is not unreasonable. We will be replacing a 80TB SAN system based on StorNext with a Isilon system with 10G network connections. If there was a way to create a Linux (Centos) 100TB 500TB or larger clustered file system with the nodes connected via infiniband that was easily manageable with throughput that can support multiple 10Gbps Ethernet connections I would be very interested. And once more thanks for the fast response. Mike

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Hardened ver of CentOS?
by Rogelio 03 Jun '08

03 Jun '08

Can anyone recommend a hardened CentOS distro?

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several servers
by roberto.barrientos＠umag.cl 03 Jun '08

03 Jun '08

hi, i have @server1.domain.com, #server2.domain.com, @server3.domain.com and @server4.domain.com and i distrib the e-mail users in that four servers for equal. 2 servers have: dovecot+sendmail+mailscanner+spamassassin+clamav+ssl/tls+squirrelmail and other two have: dovecot+postfix+amavisd+spamassassin+clamav+squirrelmail+ssl/tls, all this machine over https and firewall with drop rule for defect. ok, there more, i have one machine to receive e-mails and other machine to send e-mails. this is que question: i want have only one machine with https and squirrelmail (i have the machine) than the users can view the e-mails only with transparent one domain, per example, @domain.com. i do the method to send and receive e-mails by separate machine through the squirrelmail config but i don't know how i can do the transparent @domain.com ??? what is the name of this method or what is the idea than i can permit to resolve this problem... thank for all..ROberto.- -- Roberto Barrientos Molina Administración TIC 207153-207140-207109 UMAG NOTA: Los acentos han sido omitidos intencionalmente.-

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