On Wed, 23 Mar 2005, Gareth Eason wrote:
>> Are these the special 'RAID' cards that store some config
> information on a flash chip on the card - so if your RAID card
Which? Software RAID or Hardware??
> dies, you've just lost your entire dataset... because even if you
> purchase exactly the same card there's no way to configure it in
> exactly the same way?
Most sane cards store information on the disks, just as Linux does.
Some may also store a copy in NVRAM somewhere.
That removes SPOF, but you still have the potential for
inconsistencies in RAID information between the various sources
causing problems. (i've had this with both hardware RAID cards and
Linux MD).
regards,
--
Paul Jakma paul at clubi.iepaul at jakma.org Key ID: 64A2FF6A
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