geom gmirror question
mnslinky at gmail.com
Thu Dec 6 06:27:21 PST 2007
On Dec 6, 2007, at 4:01 AM, Dino Vliet wrote:
> Hi folks,
> I've bought my new hardware and want to give this another try.
> On the documentation sacttered around on the net I read that
> it's better to have 3 harddisks where one is for the main os
> and the other two are mirrored in stead of a situation where
> the OS resides on one of the two mirrored disks.
> Can you give me some advice on this?
> I have three identical seagate harddisks and want to put two
> in a mirror setup with the OS on it, and use the other as
> spare drive, in case sonmething goes wrong.
> Thanks in advanced
> Dino Vliet
We're running all of our firewalls now with gmirror. Our setup uses a
hot-swap SCSI setup, whereas you're using ATA disks. Keep in mind
that, to remove the drives, you'll more than likely need to shut down
the system. Have the third drive in there as a back up will certainly
buy you time.
Follow the how-to I've written at https://www.secure-computing.net/wiki/index.php/Gmirror
, and simply don't do any configuration on the third drive in the
system. When one fails, you'll then remove, or 'forget' the failed
drive, and add in the hot-spare you've got in the system.
Eric F Crist
Secure Computing Networks
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