I don't think the open source version of LVM supports mirroring.
I've never tried actually. So I could be wrong of course.
You can easily find out by using lvextend -m(mirrorCopies). It either gives you a usage explanation
or a syntax error which means it doesn't know about mirroring.
HTH,
Peter
Guy Van Sanden wrote:
Hi
I'm wondering if Logical Volume Manager can handle a setup I am
considering.
I have a system with two 40 GB IDE drives. hda
/
/boot
<swap>
/tmp
/data (includes home)
/usr
The second disk (hdb) should contain the same partitions, but mirrored.
The ultimate goal would be that if either hda or hdb failed, the system would keep running until I could replace a disk.
Is any of this possible with LVM? Is it stable? Could the system still boot if one disk failed (e.g. hdb)?
Can I disable the mirrors temporary when performing an upgrade? (to get the chance to turn it back). I've seen this stuff done with Veritas, and I'd be cool to have it on a Free Linux box.
Thanks
Guy
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