[PVE-User] I/O issues
Shain Miley
smiley at npr.org
Tue Jun 23 19:22:15 CEST 2009
No these are not SSD's. They are SAS drives. I am going to try an
install of 1.1 on one of these DELL's then upgrade to 1.2 and then to
1.3 and run pveperf each time. I found another machine v1.1 withe the
same RAID card and the numbers are not as bad as the ones from 1.3. I
am wondering it is some change in the kernel that is responsible for the
poor performance.
I will post the numbers in a few hours so I can get some feedback.
Thanks,
Shain
Martin Maurer wrote:
>> -----Original Message-----
>> From: pve-user-bounces at pve.proxmox.com [mailto:pve-user-
>> bounces at pve.proxmox.com] On Behalf Of Shain Miley
>> Sent: Dienstag, 23. Juni 2009 19:04
>> To: proxmoxve
>> Subject: Re: [PVE-User] I/O issues
>>
>> Just wondering which of the stats from the pveperf command I should
>> place the most weight on when comparing different Proxmox systems. I am
>> trying to determine which of my systems would have the fastest I/O
>> throughput.
>>
>
> I suggest:
>
> BUFFERED READS:
> AVERAGE SEEK TIME:
> FSYNCS/SECOND:
>
> But make sure the system is NOT under load when you run pveperf, otherwise the results differ a lot.
>
> Did you get this pveperf results with a SSD?
> http://www.proxmox.com/forum/showthread.php?t=1630
>
>
> Best Regards,
>
> Martin
>
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