Thanks, all. It has been at least a year since we tried
running the cache on ext4 with 1.4.12 client and I have
never tried on a fileserver /vicep partition.
Our current AFS file servers are redhat 5.7 ext3. When we
get new servers they will be redhat 6.x and ext4.
When we upgrade clients to 1.6 I will try ext4 cache.
Thanks.
Andrew Deason wrote, On 1/25/2012 11:05 AM:
On Wed, 25 Jan 2012 09:38:30 -0500
"John W. Sopko Jr."<[email protected]> wrote:
Is it safe to use ext4 for /vicep partitions?
The install docs do not mention file system type
requirements.
Filesystem doesn't matter for /vicep, for the most part. You can use any
fs as long as we get 'normal' unix-y features with it (owner, group,
access modes, etc; I assume just saying "POSIX" is enough). The server
processes generally don't do anything special with the files in there,
except for setting the owner, group, and mode bits to "strange" things.
In the past we had issues with ext4 as a client cache partitions and
continue to use ext3, has anything changed?
1.6 clients use a different mechanism for accessing the cache, and
should no longer be limited to particular file systems. All versions of
1.4 I believe still have the same cache fs restrictions, which limits
you to ext2/3.
That is, assuming Linux 2.6+. Nearly all Linux-specific changes to 1.6
clients don't apply to Linux 2.4 and earlier.
--
John W. Sopko Jr. University of North Carolina
email: sopko AT cs.unc.edu Computer Science Dept., CB 3175
Phone: 919-962-1844 Fred Brooks Building; Room 140
Fax: 919-962-1799 Chapel Hill, NC 27599-3175
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