Linux Software Raid
Douglas Furlong
douglas.furlong at firebox.com
Wed Jul 21 15:15:44 UTC 2004
Hello All.
I was hoping some one could answer a question for me.
I currently have a system with a software RAID card and am using their
binary drivers, this obviously is not the ideal solution, and as such I
want to remove the proprietary binary drivers and just use the normal
ide drivers that come with Linux. I am not using their RAID software, so
I don't think that will be a problem.
Rebuilding the system from scratch is not ideal, planned yes, but not
just yet.
Using the Binary driver supplied causes the disks to appear as sdX, and
as such my /etc/raidtab looks as follows.
raiddev /dev/md0
raid-level 5
nr-raid-disks 4
nr-spare-disks 0
persistent-superblock 1
parity-algorithm left-symmetric
chunk-size 32
device /dev/sda
raid-disk 0
device /dev/sdb
raid-disk 1
device /dev/sdc
raid-disk 2
device /dev/sdd
raid-disk 3
What I want to know is, can I just remove the custom drivers, and use
the disks as standard IDE disks, then change the /etc/raidtab so
that /dev/sdX = /dev/hdX.
I of course have to make sure that the disks stay the same. Will this
break Linux software RAID array?
Any help would be much appreciated.
--
Douglas Furlong
Systems Administrator
Firebox.com
T: 0870 420 4475
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