Eric Einhorn wrote:> 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