Lsattr

lsattr is a command line program for listing the attributes on a Linux second extended file system (ext2). ^[1]
It is also a command to display attributes of devices on an AIX operating system. ^[2]

Attributes

Some attributes include:

• don't update atime (A)
• synchronous updates (S)
• synchronous directory updates (D)
• append only (a)
• compressed (c)
• no dump (d)
• immutable (i)
• data journalling (j)
• secure deletion (s)
• top of directory hierarchy (T)
• no tail-merging (t)
• undeletable (u).

Details of the attributes can be found in the chattr man page ^[3]

Example output on AIX

Example output of lsattr -El hdisk10 ^[4]

# lsattr -El hdisk10
clr_q         yes                Device CLEARS its Queue on error True
location                         Location Label                   True
lun_id        0x3e000000000000   Logical Unit Number ID           False
lun_reset_spt yes                FC Forced Open LUN               True
max_transfer  0x40000            Maximum TRANSFER Size            True
node_name     0x5006048ad52e3f66 FC Node Name                     False
pvid          none               Physical volume identifier       False
q_err         no                 Use QERR bit                     True
q_type        simple             Queue TYPE                       True
queue_depth   16                 Queue DEPTH                      True
reserve_lock  yes                Reserve Device on open           True
rw_timeout    40                 READ/WRITE time out value        True
scsi_id       0xd40018           SCSI ID                          False
start_timeout 180                START UNIT time out value        True
ww_name       0x5006048ad52e3f66 FC World Wide Name               False

See also

• Chattr

References

1. ^ lsattr man
2. ^ [1]
3. ^ chattr man
4. ^ Example output of lsattr

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