>Date: Wed, 10 Jun 1998 21:59:56 +0000
>From: "Peter Lavender" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: Multiple harddrives seen as one?
>
>Yes, that's correct, I want to combine the 3 individual hard drives to be
>seen as one contiguous drive of 600 meg. That way avoiding issues like
>splitting filesystems or having file systems restricted to 200 meg.
>
Gosh! This is a long thread and no answer. I use four SCSI drives with a
1.5Gb partition on each striped (Raid 0) to give a single volume of 6Gb. I
could have concatenated them using Raid 1 instead, but striping on SCSI
makes it go like something very fast indeed!
You need a kernel with 'Multiple devices driver support' compiled in and
then get the 'MD' utilities. Sorry, I can't remember where from - I could
send you them.
Create a striped device and make a filesystem using the following:
mdadd /dev/md0 /dev/sda3 /dev/sdb3 /dev/sdc3
mdrun -p0 /dev/md0
This will create a block device /dev/md0 which is striped across the three
partitions sda3,sdb3,sdc3 (preferably same size). You can then make a
filesystem (mke2fs /dev/md0) and mount it.
In /etc/rc.d/rc.sysinit, just before the comment '# Check filesystems' add
the two lines above to make sure the device is available for fsck to check
it and add a line in /etc/fstab to automatically mount it.
If all goes well you will have a v. large partition. This is difficult to do
for system partitions though, but I understand it's possible.
Hope this helps!
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