Re: mounting filesystems with blocks larger then 4k over aloop device

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Flaherty, Patrick wrote:
mount: Function not implemented

looking at dmesg I get:

XFS: Attempted to mount file system with blocksize 8192 bytes
XFS: Only page-sized (4096) or less blocksizes currently work.
XFS: SB validate failed


I had similar issues with reiserFS. Is there a way to get a filesystem with larger then 4k blocks in CentOS 5?

maybe you need to specify block size (bs= see the mount manpage) when
mounting or...
the man page says it can only be as big as pagesize. Check your page
size `$ getconf PAGE_SIZE`, maybe that's the problem.
See also: http://lwn.net/Articles/249169/

http://www.uwsg.iu.edu/hypermail/linux/kernel/0706.2/1960.html: Commit
seems to show after linux-2.6.22 you should be able to ignore page size
when mounting XFS volumes.

Good luck
Patrick
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The page size is currently 4k. I'm running "Linux domU-12-31-36-00-51-72 2.6.16-xenU #1 SMP Mon May 28 03:41:49 SAST 2007 i686 athlon i386 GNU/Linux". I there a 2.6.22 or later kernel available?

Russ

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