Package: udev
Version: 0.141-1
vol_id does not recognize ext4 volumes that have no journal, which
means that such volumes are not added to /dev/disk/by-uuid and
/dev/disk/by-label when presented to the system.
# mke2fs -T ext4 -L ext4journalled /dev/sdb1
mke2fs 1.41.6 (30-May-2009)
Filesystem label=ext4journalled
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
244800 inodes, 977329 blocks
48866 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=1002438656
30 block groups
32768 blocks per group, 32768 fragments per group
8160 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736
Writing inode tables: done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 35 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
# vol_id /dev/sdb1
ID_FS_USAGE=filesystem
ID_FS_TYPE=ext4
ID_FS_VERSION=1.0
ID_FS_UUID=0372d93a-762f-41b5-8500-aa2f23598e4c
ID_FS_UUID_ENC=0372d93a-762f-41b5-8500-aa2f23598e4c
ID_FS_LABEL=ext4journalled
ID_FS_LABEL_ENC=ext4journalled
# mke2fs -T ext4 -L ext4notjournalled -O ^has_journal /dev/sdb1
mke2fs 1.41.6 (30-May-2009)
Filesystem label=ext4notjournalled
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
244800 inodes, 977329 blocks
48866 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=1002438656
30 block groups
32768 blocks per group, 32768 fragments per group
8160 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736
Writing inode tables: done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 21 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
# vol_id /dev/sdb1
unknown or non-unique volume type (--probe-all lists possibly conflicting types)
--
Paul Collins
Wellington, New Zealand
Dag vijandelijk luchtschip de huismeester is dood
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