[CentOS] Re: Native Command Queueing

Scott Silva ssilva at sgvwater.com
Thu Jul 24 18:21:14 UTC 2008


on 7-24-2008 9:35 AM Matt spake the following:
>>> Is there anyway to enable NCQ on CentOS 4.6?  I guess anouther
>>> question is on a somewhat high activity mail server with a single
>>> SATA2 drive will it do any good?
>>>
>>> Matt
>> I doubt it will make a BIG difference, but you might be looking for trouble
>> running a highly active server of any kind on a single spindle.
> 
> Some decisions made in past are hard to undo down the road.  Would
> like to move to CentOS 64 5.x with RAID but moving everything too a
> new box is a very severe pain.  I have to move it to new IP space
> shortly and hate the idea of that.
> 
> Matt
You could easily move to a software raid1 with very little downtime and a few 
reboots. It might also help slightly with read latencies, but wouldn't help 
with writes.

-- 
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!

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