Terry Davis wrote:
Hello,
I am going to be implementing an NFS cluster on RHEL5 x86_64 that I would
like to serve up a single very large volume (one volume for application
reasons). Right now my SAN max volume capability is 15 TB. So, I'd like to
use LVM and tie several physical volumes together into a sigle logical
volume. As stated, the cluster will be serving this volume up via NFS and
the data is random files but I estimate the number of files to be around 70
million per 10 TB of data.
1) What file system should I use? Ext3 appears to have a 4k block size
limitation which puts my max size at 8 TB. Reiserfs doesnt appear to be
supported. XFS?? GFS??
2) Is LVM safe for this type of deployment?
3) Any other thoughts?
Really, does it have to be a single filesystem? Can you export a
hierarchy of mounted smaller filesystems?
What is the largest filesystem you have now, and how long does it take
to fsck? (I've not tried this either, but I'd not try it on an important
system).
--
Cheers
John
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