On Tuesday 27 January 2009, Morten Torstensen wrote: > John Doe wrote: > > I just received a new server (HP DL180G5) with 12x 1TB HDs and I bumped > > into fdisks 2TB limits... > > I would create two raid logical volumes, one for centos (say, 20GB to > 100GB) and one with the rest of the space. Install centos and normal MBR > on /dev/sda and then use lvm on the /dev/sdb directly with no partition > table needed. Smartarray controllers user cciss.ko which is one of the few block I/O thingys that doesn't use the linux scsi layer. Devices will be /dev/cciss/c0d0, c0d1, ... > I would also strongly consider having two disks mirrored for the system > in one lvm vg and the rest in another, but with 1TB disks it is kind of > wasted space. Tho with 12 disks you can have 2 disks for RAID1, then > 8+P+1 in RAID5. Smartarray controllers don't work like "normal" raid. You can have the first part of all your 12 drives be a logical raid1+0 and then the rest be a raid6. In this way you won't "waste" two drive-slots for OS. /Peter
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