Hello,
I've been watching the list for a few weeks and I've seen some users mention problems using quotas on EXT3 under high loads (or high io).
I'm working on a new production server which will see some high io and I was wondering if anyone could share their experiences using quotas.
Specifically, I'm looking for answers to:
* Is the problem only with new (or old) style quotas
Both. Though problems occurred less with new style.
* What were your system specs (smp/uni, ide/scsi, etc..)
SMP machines. Hardware doesn't matter. A variety of ide/scsi.
* What type of load was the box was under (was it only hammering the
cpu, or was there heavy disk io)
Nothing particularly heavy. 1000 blocks/sec I/O. CPU load made no difference.
* Kind of problem experienced (crash, panic, fs corruption, journal
corruption, inodes burst into flames)
Processes stuck in disk wait state.
Problem occurred every three-six hours on some servers. We switched the whole lot to reiserfs and the problem was solved.
-- Nick Burrett Network Engineer, Designer Servers Ltd. http://www.dsvr.co.uk
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