How to recover a lost Logical Volume?

From: M_F_H (no_one_at_example.com)
Date: 07/31/04

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    Date: Sat, 31 Jul 2004 06:00:03 -0400

    How does one recover a lost Logical Volume?

    As a result of a crash, I lost the /dev info on my RAID0/LVM
    setup. I recovered the partitions that make up the Raid0, and
    successfully used mdadm to rebuild the /dev/md0 entry. Now I
    have to find the LVs that were on /dev/md0.

    The only things I know about the logical partitions are:
    1. There were two: one for / and the other for /home,
    2. Each partition was formatted as a Reiser filesystem, and
    3. They were equal in size (though different in used space).

    LVM-Howto at tldp.org addresses the creation of LVs, but not
    recovery.

    Any ideas? TIA

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