Bug#419175: linux-image-2.6.18-4-686: USB HD gives I/O errors while spinning up
To answer my own question .. to restore power save operation:
# sdparm -a /dev/sdb
/dev/sdb: Seagate FreeAgentDesktop 100D
Power condition mode page:
IDLE 0 [cha: n, def: 0, sav: 0]
STANDBY 0 [cha: n, def: 1, sav: 0]
ICT 0 [cha: n, def: 0, sav: 0]
SCT 0 [cha: n, def:9000, sav: 0]
# sdparm -D -p 0x1a -6 /dev/sdb
# sdparm -a /dev/sdb
/dev/sdb: Seagate FreeAgentDesktop 100D
Power condition mode page:
IDLE 0 [cha: n, def: 0, sav: 0]
STANDBY 1 [cha: y, def: 1, sav: 1]
ICT 0 [cha: n, def: 0, sav: 0]
SCT 9000 [cha: y, def:9000, sav:9000]
Matt Reynolds wrote:
The big question for me .. how does one re-enable STANDBY mode on this
drive? sdparm fails to switch it back on, and even power cycles haven't
reenabled it.
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