lsattr -l rmt0 -E or lsattr -El rmt0
The system displays a message similar to the following:
mode yes Use DEVICE BUFFERS during writes True block_size 1024 BLOCK size (0=variable length) True extfm yes Use EXTENDED file marks True ret no RETENSION on tape change or reset True density_set_1 37 DENSITY setting #1 True density_set_2 36 DENSITY setting #2 True compress yes Use data COMPRESSION True size_in_mb 12000 Size in Megabytes False ret_error no RETURN error on tape change or reset True
# lsattr -l rmt0 -D
The system displays a message similar to the following:
mode yes Use DEVICE BUFFERS during writes True block_size 1024 BLOCK size (0=variable length) True extfm yes Use EXTENDED file marks True ret no RETENSION on tape change or reset True density_set_1 37 DENSITY setting #1 True density_set_2 36 DENSITY setting #2 True compress yes Use data COMPRESSION True size_in_mb 12000 Size in Megabytes False ret_error no RETURN error on tape change or reset True
# lsattr -l tty0 -a login -R
The system displays a message similar to the following:
enable disable share delay
You have different types of attributes:
# lsattr -El hdisk1 PCM PCM/friend/fcpother Path Control Module False PR_key_value none Persistant Reserve Key Value True+ algorithm shortest_queue Algorithm True+ clr_q no Device CLEARS its Queue on error True dist_err_pcnt 0 Distributed Error Percentage True dist_tw_width 50 Distributed Error Sample Time True hcheck_cmd test_unit_rdy Health Check Command True+ hcheck_interval 60 Health Check Interval True+
Often error on FC adapter when not connected to SAN, you can disable it persistent on VIOS.
# chdev -dev fcsix -attr autoconfig=defined # chdev -dev entx -attr autoconfig=defined # rmdev -dev fcsix -ucfg -recursive # rmdev -dev entx -ucfg -recursive
On LPAR:
# chdev -l fcsix -a autoconfig=defined # rmdev -l fcsix -R