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  • Restore Directly from a Snapshot

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    As explained on post how to archive a snapshot, Now to restore a backup without writing to a compressed gz file from created archive, use the following sequence of commands:

    umount /dev/vg0/snap_db-01
    lvcreate --size 1G --name mdb-new vg0
    dd if=/dev/vg0/snap_db-01 of=/dev/vg0/mdb-new
    mount /dev/vg0/mdb-new /srv/mongodb
    
    • It will create a new logical volume with mdb-new name, in the /dev/vg0 volume group. The path of new device will be /dev/vg0/mdb-new.
    • Uncompresses and unarchives the mdb-snap01.gz into the mdb-new disk image.

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