Thanks Nathan,
I want to test the underlying performance, of course the problem is I want
to test the 16 or so disks in the stripe, rather than individual devices.
Thanks
Rob
On 28/01/2009 22:23, Nathan Kroenert nathan.kroen...@sun.com wrote:
Also - My experience with a very small ARC is
Afternoon,
In order to test my storage I want to stop the cacheing effect of the ARC on
a ZFS filesystem. I can do similar on UFS by mounting it with the directio
flag. I saw the following two options on a nevada box which presumably
control it:
primarycache
secondarycache
But I¹m running
Rob Brown wrote:
Afternoon,
In order to test my storage I want to stop the cacheing effect of the
ARC on a ZFS filesystem. I can do similar on UFS by mounting it with
the directio flag.
No, not really the same concept, which is why Roch wrote
Also - My experience with a very small ARC is that your performance will
stink. ZFS is an advanced filesystem that IMO makes some assumptions
about capability and capacity of current hardware. If you don't give
what it's expecting, your results may be equally unexpected.
If you are keen to
