On Saturday 21 August 2010 19:48:32 Steffen Neubauer wrote:
I think I can exclude the ZFS implementation too, because I tried dd
if=/dev/da0 of=/dev/null and executed killall -SIGINFO dd while it was
copying and it looked like it stalled randomly too.
Not related your problem, but you can
Hello,
in the last few days I set up a freebsd box with 3 Western Digital
Caviar Green 2TB drives (WD EARS series, but that shouldn't be the
problem...) with ZFS on the drives.
I'm experiencing really annoying fluctuations with the performance of
the drives.
Here is an example:
Hello Steffen,
How did you setup your drives in ZFS ? stripe ?
what bsd version do you have and what platform ?
Do you see this big fluctuation when copying some big file like say and iso
or movie ?
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Hello Claudiu :)
Sorry that I didn't answer these obvious questions in my first post.
Am 21.08.2010 20:16, schrieb claudiu vasadi:
How did you setup your drives in ZFS ? stripe ?
raidz1 Here is my zpool status output:
# zpool status
pool: tank
state: ONLINE
scrub: none requested
On Sat, 21 Aug 2010 20:29:05 +0200
Steffen Neubauer stefr...@stefreak.de wrote:
So this is not a zfs problem. But I don't think it's the hardware,
too - I used that mainboard before FreeBSD with no problems.
And the WD EARS drives can't be the problem on raw device access,
too, because I used
http://forums.freebsd.org/showthread.php?t=17036;
This is a good starting point, there is also some good info using certain
tools to force the drives to not goto spindown sleep.
On Sun, Aug 22, 2010 at 4:29 AM, Steffen Neubauer stefr...@stefreak.dewrote:
Hello Claudiu :)
Sorry that I didn't
