This particular reply from Mr.Nathan from Seagate(my presumption)seems workable.iam a Linux toddler and hope all of you will contribute to and help each other to figure this out.Iam posting the message as below:
How to disable power management on Seagate FreeAgent storage solutions on Linux system.
1 - It is supposed in this sample that the drive is attached to device /dev/sdc
2 - Check that the right drive is selected:
$ sudo sdparm -a /dev/sdc
/dev/sde: Seagate FreeAgent Pro 400A
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]
3 - Force restart the drive ( if the drive was in stanby mode):
$ sudo sdparm --command=start /dev/sdc
4 - Disable power management:
$ sudo sdparm --clear STANDBY -6 /dev/sdc
5 - Check the drive power management has been disabled:
$ sudo sdparm -a /dev/sdc
/dev/sde: Seagate FreeAgent Pro 400A
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]
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