ZFS RaidZ2 with 24 drives?
Solon Lutz
solon at pyro.de
Fri Dec 25 11:03:56 UTC 2009
Guten Tag Thomas Burgess,
Dear Thomas Burgess,
am Freitag, 25. Dezember 2009 um 01:46 schrieben Sie:
on Freitag, 25. Dezember 2009 at 01:46 you wrote:
> On Thu, Dec 24, 2009 at 11:53 AM, Ronald Klop <ronald-freebsd8 at klop.yi.org> wrote:
> Isn't it write caching?
> My Solaris machine at work also flushes the data every 30 seconds.
> Ronald.
> I think you are right. ZFS does work in bursts...it's very different than what most people expect. I know it was really weird to me when i first saw it.
But my case isn't anywhere near of performance... According to iostat and gstat it reads
and writes some data for 3-4 seconds and then sits there silently for another 10 and does
absolutely nothing.
Even when I'm doing single HD to single HD copy...
Best regards,
Solon
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