[ILUG] Highpoint Sata RAID
bigbro at skynet.ie
Wed Mar 23 16:11:39 GMT 2005
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I was referring specifically to the HighPoint 'RAID' cards referenced
in the thread.
I totally agree with you as regards what a _SANE_ card should do - my
question was whether or not these cards are in fact of the NOT SANE (in
Paul Jakma wrote:
| 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).
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