[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Software raid OK?



On Mon, Apr 20, 2009 at 10:08:22PM +0300, Michael Iatrou wrote:
> When the date was Monday 20 April 2009, Sam Kuper wrote:
> 
> > Michael,
> >

[snip]

> 
> I don't think there is a silver bullet for this.
> 
> There is a performance penalty related to soft-RAID. Also swappiness 
> configuration must be taken into account. Physical memory and memory usage 
> patterns from application perspective count too. And of course the required 
> availability for the application is an important factor.
> 
> All I am saying is that when thorough evaluation of parameters like the 
> above is out of scope, there is probably no good reason to have swap on 
> RAID.

with the cost of hd's being so low, I would suggest the default should
be swap on a raid1

> 

-- 
Microsoft is not the answer.
Microsoft is the question.
NO (or Linux) is the answer.
(Taken from a .signature from someone from the UK, source unknown)

Attachment: signature.asc
Description: Digital signature


Reply to: