[PVE-User] I/O issues
Shain Miley
smiley at npr.org
Tue Jun 23 19:04:03 CEST 2009
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.
Thanks,
Shain
Shain Miley wrote:
> After looking around it seems that this LSI Raid card does not have
> the ability to use write cache. This had nothing to do with proxmox.
> I am going to replace the card with a Perc one that I am sure will
> resolve the issue.
>
> Thanks,
>
> Shain
>
> Dietmar Maurer wrote:
>>> Also here is the output from 'pveperf':
>>>
>>> proxmox5:/usr/local# pveperf
>>> CPU BOGOMIPS: 42564.52
>>> REGEX/SECOND: 649026
>>> HD SIZE: 68.41 GB (/dev/pve/root)
>>> BUFFERED READS: 61.31 MB/sec
>>> AVERAGE SEEK TIME: 32.08 ms
>>> FSYNCS/SECOND: 94.04
>>>
>>
>> That is simply much too slow - good value would be 2000 FSYNCS/SECOND.
>>
>> Most likely there is something wrong with the cache settings.
>>
>> - Dietmar
>>
>>
>>
>
>
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