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Hardware Raid cards RAID 0 / 1
by Chris Heiner 12 Jul '06

12 Jul '06

Last week we tried to install Centos on a brand new HP ML150 G2 with AIC-8130/ Marvell SATA Raid card and it was a no go. We tried a few other flavors of Linux as a test and all had trouble as well. Unfortunately time didn't permit so we opted for a Windows solution to get the box into production. We have never had a problem with IDE and Embedded SATA (Non Raid) Next time we want to research the SATA compatibility a head of time. Any suggestions? What cards have worked for you? Thanks.

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RE: [CentOS] Speaking of 3Ware/RAID/SATA/9550SX...
by Mark Schoonover 12 Jul '06

12 Jul '06

Simon Banton wrote: >> not if you used the DD at install time, the system will be ready to >> go from post-install-reboot fine. > > ... but don't then do what I did, and run yum update (upgrading the > kernel in the process) immediately after the post-install-reboot. Doh! > > S. Well, you can but then you'll need to mkinitrd to have the updated driver available during booting... HTH Mark

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Freenx full screen mode problem fixed in 0.5.x?
by Steve Bergman 12 Jul '06

12 Jul '06

In early June, there was an update from freenx 0.4.x to 0.5.x in centosplus. It broke full screen mode for Linux clients. I am aware of the ctrl-alt-f workaround. But I have quite a few users at branch offices who depend on NX and with employee turnover and all, it has been a source of confusion for us. Has anyone come up with a fix so that fullscreen works without crtl-alt-f? I've searched the freenx/knx list and have found no mention of anyone there having problems. Just the centosplus version. I prefer to continue using the CentOS-provided package, though. Thanks for any assistance. -Steve

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Speaking of 3Ware/RAID/SATA/9550SX...
by Mark Schoonover 12 Jul '06

12 Jul '06

I just built up a server running CentOS 4.3, and trying to boot from a 3Ware 9550SX-16ML, 16 port card. This system has 9x500GB drives, AMD Opteron, Tyan K8SD mobo and 1 GB of ram. I downloaded the latest (9.3.0.4) driver from 3Ware, and after a couple of botched attempts, I got CentOS installed. In my two botched attempts, the problem was X hanging during the formatting of the drives, so I switched to another virtual screen while formatting took place, and the system didn't freeze. My problem now is the system won't boot. I know this is not exactly a CentOS problem, I'm just hoping some kind sole would help me outta this overworked fog I'm in. When the system tries to boot, the cursor just sits there in the left corner of the screen flashing. Nothing happens. I am probably missing something very simple, that will cause me great public embarrassment, but I really don't care right now. Yes, I set the bios to boot from the 3Ware card, and CentOS install did show grub stage(1) and stage(2) getting installed. After that, I'm not exactly sure where to look. I googled, and went through the 3Ware KB, but not much luck there... Thanks! Mark Schoonover IS Manager American Geotechnical V: 858-450-4040 - F: 714-685-3909 - C: 858-472-3816

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Raid 1
by CentOS List 12 Jul '06

12 Jul '06

Hi, Is there a tutorial on how to setup raid 1? I like to install CentOS 4.3 on a 160GB SATA drive and do a mirror on another identical 160GB SATA. Thanks

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CentOS in spamcop?
by Mike Kercher 12 Jul '06

12 Jul '06

http://www.spamcop.net/w3m?action=blcheck&ip=72.21.40.12 Luckily, I'm not blocking on SpamCop, but scoring with it! Mike

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Kernel-utils stupidities (readahead and cpuspeed)
by Simen Thoresen 12 Jul '06

12 Jul '06

Hi all, I think I've spotted a few stupidities (bugs) in the current version of kernel-utils (kernel-utils-2.4-13.1.80). I'm sure these are all propagated from upstream, but I hope someone could have a quick look to verify this and see if we either can push complaints upwards, or provide local fixes. The kernel-utils package provides several 'kernel-type' functions - readahead and readahead_early and also the cpuspeed have a few problems; readahead 'reads ahead' (stats to copy to cache for speedy access?) the files found in /etc/readahead.files. While most of these files are various images and common binaries, some are libraries which have been replaced by newer versions, thereby reducing the usefulness of readahead. Readahead.early uses a different file (/etc/readahead.early.files) to cache useful system libraries, including a few kernel modules - for the 2.6.3-2.1.238.2 kernel. Both readahead and readahead.early are installed as disabled. chkconfig lists them as 'off' in all runlevels. Worse, cpuspeed. This is from an Athlon64 system, so it is possible that this behavior is different on non powernow-k8 systems. On the CentOS4-x86_64 kernels, the cpuspeed-drivers are built into the kernel. Here, cpu speed-management works, as the /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver -file exists (tested for in /etc/init.d/cpuspeed). On CentOS4-i386, the powernow-k8-module is not built into the kernel, so the above test fails, and the cpuspeed startscript exits. There seems to be a plan for this. The /etc/cpuspeed.conf file can specify a DRIVER variable, but no attempt is made to insmod this, so even if this is set, cpuspeed still fails. A simple fix is to check for the presence of the above /sys entry, and if that is missing, modprobe $DRIVER. Without this, cpuspeed will never work on my systems. Does it work elsewhere? Yours -S -- Simen Thoresen, Dolphin ICS

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3ware SATA RAID Card
by Jon 12 Jul '06

12 Jul '06

I've a 3ware Escalade 8006-2 and run Centos 4.2 using the latest kernel 2.6.9-34.0.2.ELsmp. I see that the card comes with some disk management tools called 3DM2 Management Utility. Is this ok to install? Is it good for reporting failed drives? Thanks Jon ___________________________________________________________ All New Yahoo! Mail Tired of Vi@gr@! come-ons? Let our SpamGuard protect you. http://uk.docs.yahoo.com/nowyoucan.html

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CentOS Folding Team moving on up
by Max H. 11 Jul '06

11 Jul '06

No one's bothered to mention Folding in awhile...;) I see we're at 285. Moving up in the world! We're now on page 3 at <http://folding.extremeoverclocking.com/team_list.php?s=&p=3>! We need more power! Max

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IPTABLES don't solve name HOST - CENTOS 4.3
by Adriano Frare 11 Jul '06

11 Jul '06

Dear Friends, When I execute below command iptables -A FORWARD -d chatenabled.mail.google.com -j DROP I have received follow messages. iptables v1.2.11: host/network `chatenabled.mail.google.com' not found Thanks Adriano Frare

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