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SV: XFS on 6TB systems

To: "Eric Sandeen" <sandeen@xxxxxxx>
Subject: SV: XFS on 6TB systems
From: "Thor Eivind Brantzeg" <Thor.Eivind.Brantzeg@xxxxxxx>
Date: Thu, 22 Sep 2005 14:09:16 +0200
Cc: <linux-xfs@xxxxxxxxxxx>
Sender: linux-xfs-bounce@xxxxxxxxxxx
Thread-index: AcW/bdvST2UH13hjRviwxcxqIJi0FwAAA8pA
Thread-topic: XFS on 6TB systems
Thx m8 for responding:

ELLA-Gentoo-scsi-test mnt # emerge -s xfsprogs
Searching...   
[ Results for search key : xfsprogs ]
[ Applications found : 1 ]
 
*  sys-fs/xfsprogs
      Latest version available: 2.6.25
      Latest version installed: 2.6.25
      Size of downloaded files: 830 kB
      Homepage:    http://oss.sgi.com/projects/xfs/
      Description: xfs filesystem utilities
      License:     LGPL-2.1

We are using FTP only as NAS service.

Sctrace is an unknown command on my plattform.. Ill try to find a
package that contains it..

------------------------------------------------------------------------
-----------
Thor Eivind C. Brantzeg


-----Opprinnelig melding-----
Fra: Eric Sandeen [mailto:sandeen@xxxxxxx] 
Sendt: 22. september 2005 14:05
Til: Thor Eivind Brantzeg
Kopi: linux-xfs@xxxxxxxxxxx
Emne: Re: XFS on 6TB systems

Thor Eivind Brantzeg wrote:
> 1. Problem 1 is that i have problem umounting 1 of the mounts. Is 
> there a way to safely umount an XFS FS when there is no usage at all?
>  
> ELLA-Gentoo-scsi-test mnt # umount -f /mnt/EONSTORE2
> umount2: Device or resource busy
> umount: /mnt/EONSTORE2: device is busy
> umount2: Device or resource busy
> umount: /mnt/EONSTORE2: device is busy

samba?  nfs?  something is using it... maybe fuser will tell you?

> 2. Problem 2 is that i cannot get any of the XFS utils to work with
>  
> Problem i have is all the utilities for xfs doesnt work at all:
>  
> ELLA-Gentoo-scsi-test mnt # xfs_check /dev/sda1
> xfs_check: /dev/sda1 is invalid (cannot read first 512 bytes)

strace xfs_check & see what syscall fails, and see if there are any
system messages.

> Another problem i get is that when i do a xfs_repair i get a segfault.

this may be an issue with the memory requirements of repair -  you could
gdb the corefile to see why it segfaulted.

be sure you have the latest userspace, too, just for starters.

-Eric


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