[CentOS] mounting filesystems with blocks larger then 4k over a loop device

Ruslan Sivak rsivak at istandfor.com
Mon Nov 12 23:07:04 UTC 2007

Ruslan Sivak wrote:
> So I'm playing around with S3 and elasticdrive, and I create a 
> filesystem on it with a block size larger then 4k.
> mkfs.xfs -b size=8k /mnt/ed5/ed0 -f
> This completes fine and sets up the proper filesystem.  When I try to 
> mount it, however, I get:
> mount /mnt/ed5/ed0 /mnt/eds35/ -o loop
> 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?
> Russ

Looks like I would need something like this:


does anyone know wh ether this is part of CentOS yet, or if there is 
some sort of binary available?


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