So this 'production ready' CephFS for jewel seems a little not quite.... Currently I have a single system mounting CephFS and merely scp-ing data to it. The CephFS mount has 168 TB used, 345 TB / 514 TB avail.
Every so often, I get a HEALTH_WARN message of mds0: Client failing to respond to cache pressure Even if I stop the scp, it will not go away until I umount/remount the filesystem. For testing, I had the cephfs mounted on about 50 systems and when updated started on the, I got all kinds of issues with it all. I figured having updated run on a few systems would be a good 'see what happens' if there is a fair amount of access to it. So, should I not be even considering using CephFS as a large storage mount for a compute cluster? Is there a sweet spot for what CephFS would be good for? Brian Andrus ITACS/Research Computing Naval Postgraduate School Monterey, California voice: 831-656-6238
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