On 28/05/11 21:42, Grzegorz Jaśkiewicz wrote:
Yeah, I got it Mark.
Unfortunately my current management decided to suspend that
investigation for a while, so I can't get any tests done or anything
like that.
However we found out that another server we have shows similar issues.
The same card, slightly different motherboard and completely different
disks.
The basic issue is around concurrent reads and writes. The card is
ok-ish when one process hammers the disks, but as soon as it is
multiple ones - it just blows (and I use it as a technical term ;) ).
Still, with only one process reading/writing - the raid card sucks big
time performance wise.
Sorry, Grzegorz I didn't mean to suggest you were not listening, I meant
to ask if you could run the megaraid cli command to see if it showed up
a battery!
If/when your management decide to let you look at this again, I'll be
happy to help if I can!
Best wishes
Mark
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