[Beowulf] Beowulf Storage Node
David N. Lombard
dnlombar at ichips.intel.com
Tue Apr 14 09:29:50 EDT 2009
On Sun, Apr 12, 2009 at 10:53:09AM -0700, Matt Lawrence wrote:
> On Sat, 11 Apr 2009, Залетнев Дмитрий wrote:
> > I have a motherboard with 4x SATAII-ports and without RAID. If I'll
> > connect to these ports 4 identical SATAII 250 GB 7200 rpm HDDs and
> > install Linux, is it possible to have software RAID 0 using Linux?
> Sure it is. The only issue you may run into is that the partition
> containing /boot can't be on software RAID, grub & lilo don't know how to
> deal with RAID partitions.
That's not /completely/ true:
$ cat /etc/fstab
/dev/md1 / ext3 defaults 1 1
/dev/sdb3 swap swap defaults 0 0
LABEL=SWAP-hda3 swap swap defaults 0 0
/dev/md2 /home ext3 defaults 1 2
/dev/md0 /boot ext2 defaults 1 2
But, the point well taken in the general RAID case...
Also, you clearly don't want *anything* but files that you don't care about
losing on RAID-0. If all of your disks are in a RAID-0, booting is only the
first problem needing a solution.
David N. Lombard, Intel, Irvine, CA
I do not speak for Intel Corporation; all comments are strictly my own.
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