Fedora 14 Crashes

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Just a tip to have old coraids appliances/disks perform better

Hi list,

We have a couple of old SR1521, and they perform really bad when rebuilding, I/O goes down dramatically. And
with old disks this happens more than usual. So to avoid this we have exported all disks with JBOD, and use
ZFS filesystem adding all disks to a ZFS pool. And when a disk fails performance doesn't go down so much.
Also when all disks in the pool are good, performance is actually much better (at least 50 %!). Processing
power is of course needed by ZFS, so you will need a server capable to handle this extra overhead  (the server
on which you attach the SR1521).

We use
- latest free firmware for SR1521
- Ubuntu 10.04 LTS with ZFS and aoe driver (https://launchpad.net/~zfs-native/+archive/stable/)

/Lars

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