Difference between revisions of "Universally unique identifier (UUID)"
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| − | + | [[wikipedia:Universally_unique_identifier|Universally unique identifier (UUID)]] | |
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* Filesystem UUID | * Filesystem UUID | ||
* Block device UUID: <code>[[lsblk]] -io KNAME,TYPE,SIZE,MODEL,UUID</code> | * Block device UUID: <code>[[lsblk]] -io KNAME,TYPE,SIZE,MODEL,UUID</code> | ||
Revision as of 11:34, 16 December 2019
Universally unique identifier (UUID)
mkfs.ext4 /dev/vg01/lv01 mke2fs 1.44.1 (24-Mar-2018) Creating filesystem with 2441850880 4k blocks and 305233920 inodes Filesystem UUID: e6742357-a181-4b82-837f-9a01f3e52568 Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848, 512000000, 550731776, 644972544, 1934917632 Allocating group tables: done Writing inode tables: done Creating journal (262144 blocks): done Writing superblocks and filesystem accounting information: done
pvcreate --uuid "FmGRh3-zhok-iVI8-7qTD-S5BI-MAEN-NYM5Sk" --restorefile /etc/lvm/archive/VG_00050.vg /dev/sdh1 Physical volume "/dev/sdh1" successfully created
pvchange --uuid Generate new random UUID for specified PVs.
See also
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