[PVE-User] WG: HP Smart Array P410i

[Holger Ernst]

I recently installed three dl180 w 4 sas disks as raid5 each on Proxmox 1.9 and without any tuning they reached 500MB/sec and above.
So I can not complain on speed.
Regards Holger 
 
> -----Ursprüngliche Nachricht-----
> Von: pve-user-bounces at pve.proxmox.com [mailto:pve-user-
> bounces at pve.proxmox.com] Im Auftrag von Philippe Schwarz
> Gesendet: Montag, 28. Mai 2012 11:38
> An: pve-user at pve.proxmox.com
> Betreff: Re: [PVE-User] HP Smart Array P410i
> 
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> Le 28/05/2012 00:36, Laurent CARON a écrit :
> > On 28/05/2012 00:18, Philippe Schwarz wrote:
> >> So, i'm wondering about actual proxmox kernel to be used with
> >> those HP Smart Array P410i (1GB NV cache) controllers.
> >>
> >> Found a few informations about issues; not very easy to be sure
> >> about it :
> >>
> >> http://forum.proxmox.com/archive/index.php/t-8530.html or
> >> http://pve.proxmox.com/pipermail/pve-user/2012-
> February/003303.html
> >>
> >>
> >>
> >>
> Does anyone use p410i without issue ?
> >
> > Hi,
> >
> > No problem with P410 (and other PXXX series here) although those
> > controlers exhibit a quite low performance (related to the
> > controler, not promox).
> >
> > Laurent
> Hi,
> thanks for tour answer.
> It's a little bit frightening in fact.
> It's has been proven, that without battery backup cache, performance
> are awful; but in spite of everything, it seems indeed you're right
> about perf :
> http://www.overclock.net/t/515068/tuning-a-hp-smart-array-p400-with-
> linux-why-tuning-really-matters
> for instance.
> Even with tuning,8 SAS disks leading to 300MB/s is not very impressive
> at all!
> 
> Should i ask for other HP raid controller ?
> 
> Thanks.
> 
> 
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> =2+lv
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