On Jun 20, 2012, at 5:08 PM, Jim Klimov wrote:
> 2012-06-21 1:58, Richard Elling wrote:
>> On Jun 20, 2012, at 4:08 AM, Jim Klimov wrote:
>>>
>>> Also by default if you don't give the whole drive to ZFS, its cache
>>> may be disabled upon pool import and you may have to reenable it
>
>> The behav
2012-06-21 1:58, Richard Elling wrote:
On Jun 20, 2012, at 4:08 AM, Jim Klimov wrote:
Also by default if you don't give the whole drive to ZFS, its cache
may be disabled upon pool import and you may have to reenable it
The behaviour is to attempt to enable the disk's write cache if ZFS has t
On Jun 20, 2012, at 4:08 AM, Jim Klimov wrote:
>
> Also by default if you don't give the whole drive to ZFS, its cache
> may be disabled upon pool import and you may have to reenable it
> manually (if you only actively use this disk for one or more ZFS
> pools - which play with caching nicely).
T
2012-06-20 0:32, Timothy Coalson wrote:
when it has 4k sectors, then in theory if "First sector" is a multiple
of 8, it is aligned, but it will probably issue writes of size 512
which will degrade performance anyway).
I think this is dependent on the firmware (vendor), and queued writes
into th