ZFS read/write performance slows with time
db at bsdsystems.de
Tue Mar 27 16:36:26 UTC 2012
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We have seen the same issue on freenas 8.2 which is a patched freebsd 8.2.
Performance dropped from somewhat 700MByte/sec to 2MByte/sec on the main NAS system.
I couldn't find the problem in time so we rebooted. Uptime was around 150 days.
After reboot everything was back to normal.
We will reinstall the system with a stock freebsd 9 as no GUI is needed anymore.
Am 22.03.2012 um 01:18 schrieb andy thomas:
> On Wed, 21 Mar 2012, Artem Belevich wrote:
>> On Wed, Mar 21, 2012 at 4:56 PM, andy thomas <andy at time-domain.co.uk> wrote:
>>> A server running 64-bit FreeBSD 8.0 boots from a SATA disk and then mounts a
>>> But over a period of time, this performance begins to deteriorate and after
>>> 180 days of uptime
>> If it's indeed 8.0 that you are running, I would strongly recommend
>> upgrading to 8-STABLE or 8.3 when it's released.
>> A *lot* of things in ZFS got fixed/improved since ZFSv13 in 8.0.
> It's running 8.0-RELEASE. I've not seen these gradual deterioration problems with 8.2-RELEASE (or indeed on OpenSolaris SPARC and OpenIndiana servers).
> Thanks for the quick reply.
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