Re: LSI/3ware 9750-4i and multipath I/O

[John R Pierce <pierce@xxxxxxxxxxxx>]

On 01/14/12 2:32 PM, Vahan Yerkanian wrote:
> Going back to the LSI website to check if these 9750 have an option to link their caches into one...

I was curious, *all* the LSI sAS RAID cards say 'single controller 
multipathing', both the megaraid cards and the 3ware cards (I'm setting 
up a server that has a 9260-8i now).   I looked at their optional 
software, and none of it implements any sort of multi-controller failover.

If you have split or multiple storage backplanes/enclosures, I"d split 
the disks between the two cards, and multipath between each controller 
and its respective disks.  this will take another set of SAS cables, of 
course



-- 
john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast

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