Discuss June 2008

discuss@lists.centos.org

353 participants
415 discussions

XFS install issue
by mslist＠opcenter.net 02 Jun '08

02 Jun '08

I am attempting to implement XFS on a new system. System: Supermicro SC846 TQ-R900B - rack-mountable SUPERMICRO X7DWN+ - motherboard 3ware 9650SE-24M8 - storage controller 10 Hitachi DeskStar 7K1000 - hard drive - 1 TB 8GB Ram 2 Intel Quad-Core Xeon E5420 / 2.5 GHz processor Installed Centos 5.1 X86 64 from DVD. System on /dev/sda1 250GB ext3 (raid 5). /home will be on /dev/sdb1 over 7TB XFS. Kernel version issue --------------------------------- [root@csfs50 work]# yum install kmod-xfs.x86_64 Loading "installonlyn" plugin Setting up Install Process Setting up repositories Reading repository metadata in from local files Parsing package install arguments Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Downloading header for kmod-xfs to pack into transaction set. kmod-xfs-0.4-1.2.6.18_53. 100% |=========================| 2.8 kB 00:00 ---> Package kmod-xfs.x86_64 0:0.4-1.2.6.18_53.1.19.el5 set to be installed --> Running transaction check --> Processing Dependency: kernel-x86_64 = 2.6.18-53.1.19.el5 for package: kmod-xfs --> Restarting Dependency Resolution with new changes. --> Populating transaction set with selected packages. Please wait. ---> Downloading header for kernel to pack into transaction set. kernel-2.6.18-53.1.19.el5 100% |=========================| 256 kB 00:00 ---> Package kernel.x86_64 0:2.6.18-53.1.19.el5 set to be installed --> Running transaction check Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: kmod-xfs x86_64 0.4-1.2.6.18_53.1.19.el5 extras 253 k Installing for dependencies: kernel x86_64 2.6.18-53.1.19.el5 updates 15 M Transaction Summary ============================================================================= Install 2 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 16 M Is this ok [y/N]: y Downloading Packages: (1/2): kmod-xfs-0.4-1.2.6 100% |=========================| 253 kB 00:00 (2/2): kernel-2.6.18-53.1 100% |=========================| 15 MB 00:02 Running Transaction Test Finished Transaction Test Transaction Check Error: package kernel-2.6.18-53.1.21.el5 (which is newer than kernel-2.6.18-53.1.19.el5) is already installed Error Summary -------------

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drbd strategy
by sbeam 02 Jun '08

02 Jun '08

I have an existing in-production LAMP server running Centos 5.1. It uses physical partitions on top of hardware RAID1, having / /home /var and /boot on separate partitions. We have a near-identical system I am thinking of bringing in as a DRBD/Heartbeat companion. One solution may be to use csync2 [http://oss.linbit.com/csync2/] on /etc and /usr/local (the only areas that will differ from the stock CentOS). Then setup DRBD for /home and /var. From reading the docs it seems we have to use "external meta data" on the existing partitions. Other than that, anyone have any caveats or better ideas for this setup? Also - each has 2 NICs. Can Heartbeat do its pinging over the WAN (eth0) with eth1 dedicated to DRBD only? Is that how it is supposed to be, or should we use the serial ports? Sam

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sticky bit inside user's dir
by lucian＠lastdot.org 02 Jun '08

02 Jun '08

Hello there, I have the following problem. I need a user not to be able to delete (rm -rf) a dir inside his home directory (a dir which is owned by him). The sticky bit is supposed to do just that... and it does, in every part of the file system but in his home. Same goes for acls (setfacl -m u:user:rx dir), a rm -rf inside his directory will render the acls useless. Is there any workaround against that?

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External USB Hard Drive mount problems
by John Bowden 01 Jun '08

01 Jun '08

Hi Folks I have a number of external USB enclosures with hard drives in. Some are IDE and others are SATA drives. I'm running CentOS 5 + all updates. Recently when I plug in an external drive I get the message "Invalid filesystem type. I have install the NTFS-3G bits stuff and reformatted the hard drives with FAT32 but still get the same error message. This started after an update (not shore which one,) as I had been able to copy files to / from these disks before. I have turned off selinux and had a look at my fstab file, but can't see any thing obvious. Can some one point me in the right direction to debug this please? Regards John -- Guy Fawkes, the only man to enter the houses of Parliament with honest intentions, (he was going to blow them up!) Registered Linux user number 414240

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Setting Group owner of files on USB drive
by Robert Moskowitz 01 Jun '08

01 Jun '08

I just got a 8Gb flash drive and went to copy a bunch of files onto it. I wanted to perserve everything, so I just took my archiving rsync command and altered it to go to localhost:/media/RALLY2/ (name of flash drive). I am getting errors with changing the group owner. Huh? So I try to just use mkdir to create a directory on the flash drive. The directory has a group of root ??? So I try a chgrp and get: [root@mine me]# chgrp me /media/RALLY2/Stuff chgrp: changing group of `/media/RALLY2/Stuff': Operation not permitted OK why can't I set the group to something other than root? ls -lstr /media/ total 4 4 drwxr-xr-x 3 me root 4096 May 30 16:28 RALLY2 and of course for /media: 8 drwxr-xr-x 3 root root 4096 May 30 16:18 media

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Discuss June 2008