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Re: [CentOS] Re: DRBD 8.2 crashes CentOS 5.2 on rsync from remote host
by Toshaan Bharvani 18 Aug '08

18 Aug '08

Scott Silva wrote: > on 8-14-2008 12:55 AM Chris Miller spake the following: >> nate wrote: >>> Chris Miller wrote: >>>> I've got a pair of HA servers I'm trying to get into production. >>>> Here are some specs : >>>> >>> >>> [..] >>>> [root@haws1 ~]# BUG: unable to handle kernel paging request at >>>> virtual address c >>> >>> This typically means bad RAM >> >> While I won't rule this out, my local hardware vendor does a 48 hour >> burn-in including a full gamut of tests (including memory) before >> handing over the servers. These servers are less than two weeks old... >> >> Seems like this is a common type of error in some situations. I tried >> to boot in kexec/kdump mode (CentOS 5 replacement for diskdumputils), >> but the e1000 driver isn't seeing the NICs after a reboot via the >> "capture kernel", so I can't replicate the (rsync induced) problem >> and perform kernel debugging. I'll explore this more tomorrow. >> >> Chris > When the servers are shipped to you, do you open them and make sure > all modules are seated completely, and haven't been dislodged by the > shipping? > > > > ------------------------------------------------------------------------ > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > why not try a memtest, you can download a bootable cd/usb and do a check _________________________________________________________________ News, entertainment and everything you care about at Live.com. Get it now! http://www.live.com/getstarted.aspx

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finding older rpms
by Rogelio 18 Aug '08

18 Aug '08

I'm on a fairly old RHEL box, when I "cat /proc/version", I get the following: Linux version 2.4.21-4.ELsmp (bhcompile(a)daffy.perf.redhat.com) (gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-20)) At this stage, I guess I don't have 'yum', so where exactly do I get the individual RPMs? I went to DAG to find some stuff I needed, but some of the rpms at http://dag.wieers.com/rpm/packages for RHEL 3 were not available.

3 2

file manager over ssh
by Linux Man 18 Aug '08

18 Aug '08

Hello. I need to copy several file from one PC to another over Internet, both using CentOS. What file manager that works over console do you recommend me? Thanks at all Best Regards

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OT NIS Question
by Clint Dilks 18 Aug '08

18 Aug '08

Hi People, I have been been using a NIS setup that I inherited for some time now and my eventual goal is to replace it with LDAP. But in the mean time I am looking at migrating some servers to new equipment and wondered if it is possible to have a single ypserv install servicing two NISDOMAINS? In this particular situation it would be a situation where for one domain the server would be a master and the other a slave. My initial research can't find anyone doing something similar. So can anyone familiar with NIS advise as to whether what I am thinking of is plausible ?

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Rsync Setup
by Cheyenne Deal 18 Aug '08

18 Aug '08

I have seen many ways to setup a rsync backup but I have never got one to work on a centos machine. I have used 4.5 and 5.0 If anyone could point me in the right direction, much thanks. Cheyenne

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FSID and NFS
by Mag Gam 18 Aug '08

18 Aug '08

What is the purpose of FSIDs? I am exporting 30 volumes via NFS. Do I need a FSID option? TIA

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Confusing output from pvdisplay
by Stephen Harris 17 Aug '08

17 Aug '08

/dev/md3 is a raid5 array consisting of 4*500Gb disks pvs and pvscan both display good info: % pvscan | grep /dev/md3 PV /dev/md3 VG RaidDisk lvm2 [1.36 TB / 0 free] % pvs /dev/md3 PV VG Fmt Attr PSize PFree /dev/md3 RaidDisk lvm2 a- 1.36T 0 But pvdisplay... % pvdisplay /dev/md3 --- Physical volume --- PV Name /dev/md3 VG Name RaidDisk PV Size 1024.00 GB / not usable 8192.00 EB Allocatable yes (but full) PE Size (KByte) 4096 Total PE 357702 Free PE 0 Allocated PE 357702 PV UUID tXGBfv-mfhF-FEXV-hjOG-saIz-iAhA-vZ62DW The "PV Size" line is very odd, indeed! My other lvm disk (/dev/md4) looks just fine: % pvdisplay /dev/md4 --- Physical volume --- PV Name /dev/md4 VG Name Mirror PV Size 267.36 GB / not usable 3.50 MB Allocatable yes PE Size (KByte) 4096 Total PE 68444 Free PE 4352 Allocated PE 64092 PV UUID Bav2oP-nlZB-f6H3-XBow-iIde-AqKI-a0JyYk Any ideas on why "PV Size" looks so broken on md3 ? -- rgds Stephen

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Help setting up external drive via Firewire
by Noob Centos Admin 17 Aug '08

17 Aug '08

I got a WD 1TB My Book with eSATA/USB/Firewire400 connectivity to backup data on a client Centos 5.1 machine. USB 2.0 works fine out of the box but is rather slow, Nautilus predicts about 1+ hour to fully backup just one day's worth of data or about 100GB. So I was hoping Firewire would be faster, which is why we got the version with all 3 interfaces to experiment with first. Following the suggestions given to another user here http://www.centos.org/modules/newbb/viewtopic.php?topic_id=15767&forum=37 I updated the system's kernel to the CentoPlus [noob@localhost ~]$ uname -s -r Linux 2.6.18-92.1.10.el5 After a reboot, everything appears to work as expected, with the motherboard's TI Firewire controller detected [root@localhost ~]# lspci | grep 1394 04:07.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link) However, now I'm stuck as the system does not appear to detect the drive when I connect the firewire cable and turn it on. I've followed some of the suggestions to check the drive status like "fdisk -l" but this only shows the drives already installed in the system "tail -f /var/log/dmesg" shows no new messages when the drive is connected/powered on So I'm at a loss as to what else I should be doing to get Firewire to work and will appreciate any help on this. Thanks!

8 16

Writable Centos LiveCD on Embeded Linux?
by Oliver Schulze L. 17 Aug '08

17 Aug '08

Hi all, I was wondering if it possible to have a Centos LiveCD installation boot from a Compact Flash in a embeded x86 (Wrap/Alix) platform *and* be able to save the changes made to the File System back to the Flash memory. So, the next time the LiveCD boots it will have all the changes made. The problem I'm trying yo solve is: - fast boot time - fast recovery when the Linux is shutdown improperly (power failure, etc) - be able to upgrade some rpm packages via yum Will a LiveCD (squash/union FS) be a better solution than booting Centos directly from an ext2(fewer I/O than ext3) partition? Many thanks in advance Oliver -- Oliver Schulze L. Asuncion - Paraguay http://tinymailto.com/oliver

3 6

mirror.centos.org down?
by nethub 17 Aug '08

17 Aug '08

I'm getting a server failure for mirror.centos.org. Is anyone else having trouble? Nameserver trace for mirror.centos.org: * Looking for who is responsible for root zone and followed g.root-servers.net. * Looking for who is responsible for org and followed d0.org.afilias-nst.org. * Looking for who is responsible for centos.org and followed ns3.centos.org. * Looking for who is responsible for mirror.centos.org and followed pdns1.centos.org. Nameservers for mirror.centos.org: * pdns1.centos.org returned (SERVFAIL) * pdns2.centos.org returned (SERVFAIL) * pdns3.centos.org returned (SERVFAIL) * pdns4.centos.org returned (SERVFAIL)

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