[CentOS] Re: SATA RAID card recommendation?

Tue Mar 20 18:37:04 UTC 2007
Scott Silva <ssilva at sgvwater.com>

Joshua Baker-LePain spake the following on 3/20/2007 10:56 AM:
> On Tue, 20 Mar 2007 at 10:52am, Florin Andrei wrote
>> I need a SATA RAID PCI card that works well with CentOS and is fully
>> supported. Mandatory features:
>> - works with the drivers already in the kernel, no additional drivers
>> - can do RAID 0, 1 and 5
>> - hotswap
>> - allows to monitor the status of the array and of each individual
>> drive via a script (ideally run from cron)
>> - works with very large SATA drives
>> Nice to have features but not mandatory:
>> - small battery to keep the array alive until the write buffers are
>> flushed after a power loss
>> Anyone having positive experience with SATA RAID, please comment.
> 3ware.  Period.  9550/9590 will do everything you want.  9650 gets you
> RAID6, but I'm not sure the distro provided drivers have caught up yet.
9500 is the PCI card 9550/9590 is PCI-x. 9500 works out of the box in CentOS 4
as I have used it there. For hotswap, you need a drivecage that also supports
hotswap. The 3ware cage does, and comes with all cabling to get drive lights
working. They hold 4 drives in 3 drives/half height 5 1/4 space.


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