| sean finney on 10 Mar 2005 02:28:15 -0000 |
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On Wed, Mar 09, 2005 at 07:09:01PM -0500, Greg Helledy wrote: > I've now learned that (I think) we want RAID-1 (mirroring), and located if the controller supports it, raid 10 is a slightly better choice performance wise. raid 5 (or 50) saves you a little on space/disk cost at the expense of a theoretical performance trade off (i don't think this is even the case anymore). > In general, is adding RAID-1 to a machine going to consist of plugging > in the card, plugging the drives into the card (assuming that one is > blank and formatted, and the other, identically-sized one, has our OS > and data) and turning the machine on? probably no, but it may depend on the controller card. usually you have to create a "container" from the physical disks, and then scrub them down (losing all data) before the disks are presented as a logical disk to the os. > There's a lot of info online about the types of RAID and what's best for > what, but can anyone point me to instructions on the easiest way to > actually implement it? the raid controller card should take care of everything assuming you know what raid type you want. after that the os just sees a normal old disk. sean Attachment:
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