[PVE-User] any recommendation for SSD for ceph journal disk/SSD?

Eneko Lacunza elacunza at binovo.es
Wed Aug 1 08:49:43 CEST 2012


Hi All,

Maybe a bit outdated, but here you have some return rates for SSD
manufacturers:

http://forums.storagereview.com/index.php/topic/29329-ssd-failure-rates-compared-to-hard-drives/

OCZ is the worst and it matches with experience around me. We have a
pair of Intel 320s that work perfectly.

El lun, 30-07-2012 a las 23:55 +0200, Gilles Mocellin escribió:
> Le lun. 30 juil. 2012 13:06:25 CEST, Martin Maurer a écrit :
> > Hi all,
> >
> > we are extending our testlab with a better ceph cluster and I am
> > looking for the best performance/price ratio to get it running.
> >
> > I am thinking of single sata drives for OSD and a dedicated SSD for
> > the journal.
> >
> > I want reliable ones but I do not want to spend money for a Intel 710
> > series. Any recommendations?
> >
> > As we only need a few gigabytes for the journal I thinking for a Intel
> > SSD 520 Series 60GB – but this one is not that fast as the 240 GB model.
> >
> > Any comments on this? The ceph cluster will operate only a gigabit
> > network.
> >
> > Thanks,
> > Martin
> 
> In the consumer market I user OCZ Vertex 2 and Crucial M4.
> I had problems with OCZ, and it seems that I'm not the only one (I read 
> 15% returns)
> I also have a M4 because I read that there were far less returns with 
> them.
> 
> Impatient to read your results.
> How many servers and OSD do you plan ?
> Have you planned to compare with and without SSD ? I really wonder if 
> it's justifed.
> 
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