Hello Tom, So, I did some testing here and I had no problem creating a RAID 1 volume and keeping the existing data intact. I performed this test of local disks and SAN volumes and in both cases the RAID 1 was created without data loss. However, I would say to be careful and back up your data! Here are the step-by-step commands -- you can easily put these into your own shell script. All these commands must be executed as root; please use caution and ask questions if in doubt! 1) Create and save a file "/etc/raidtab" with the follwing contents: raiddev /dev/md0 raid-level 1 persistent-superblock 1 chunk-size 32 nr-raid-disks 2 device /dev/sdc1 # original drive with data on it raid-disk 0 device /dev/sdf1 # new drive being added to the RAID raid-disk 1 2) Execute the command "/sbin/mkraid --really-force /dev/md0" 3) Now execute "/sbin/raidstart /dev/md0" 4) You will need to mount the RAID volume to make is accessible; something like this: /bin/mount -t ext2 /dev/md0 /mnt/raid That's it...you RAID volume should now be accessible under /mnt/raid Hope this is helpful. Cheers, Dominic
Hey Tom,
I do a lot of testing with software RAID here at work. I found webmin a bit kludgy, so I researched the topic and found the commands webmin calls. Webmin is cool, but it insulates you from what is happening "under the hood". If you are interested I can send you some very helpful scripts...
Cheers, Dominic
-----Original Message----- From: Tom Nielsen [mailto:tom@neuro-logic.com] Sent: Wednesday, November 19, 2003 12:28 PM To: Suse Subject: [SLE] Anyone used the Webmin Raid function?
I'm thinking of trying the Raid 1 function in webmin, but I can't find any documentation. Has anyone tried it?
tom --
Tom Nielsen Neuro Logic Systems 805.389.5435 x18 www.neuro-logic.com
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