Roch Bourbonnais wrote:
> Le 21 oct. 07 à 02:40, Vincent Fox a écrit :
>
>> We had a Sun Engineer on-site recently who said this:
>>
>> We should set our array controllers to sequential I/O *even* if we
>> are doing random I/O if we are using ZFS.
>> This is because the Arc cache is already grou
Thanks, we have switched over a couple of our arrays. Have not noticed a
performance change so perhaps the effect is minor.
Yes we are using ZFS to do the mirroring between the array LUNs and quite happy
with it for reliability. As someone else said, speed and costs are metrics to
look at but
Le 21 oct. 07 à 02:40, Vincent Fox a écrit :
> We had a Sun Engineer on-site recently who said this:
>
> We should set our array controllers to sequential I/O *even* if we
> are doing random I/O if we are using ZFS.
> This is because the Arc cache is already grouping requests up
> sequentiall
We had a Sun Engineer on-site recently who said this:
We should set our array controllers to sequential I/O *even* if we are doing
random I/O if we are using ZFS. This is because the Arc cache is already
grouping requests up sequentially so to the array controller it will appear
like sequenti