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Can't get external HDD to spin down

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spoovy	Posted: Nov 2 2011, 08:07 PM
SLF Moderator Group: Moderators Posts: 281 Member No.: 5 Joined: 8-April 11	It's a Samsung HM321HI, Freecom branded, USB 3.0 external HDD. I have it attached to a home server at the moment, and would like it to spin down when not in use (95% of the time). I have tried sdparm and hdparm, it won't accept either command. hdparm gives errors, sdparm commands silently fail. I have enabled /proc/sys/vm/laptop_mode, and tried using sg3 as suggested in this bug discussion - https://bugs.launchpad.net/ubuntu/+source/sdparm/+bug/444818. Still no go. It is not a root filesystem, there are no logs being written to it or anything like that. I't mounted noatime; it should be spinning down, or at least allowing me to change parameters with hdparm/sdparm. I'm out of ideas. This post has been edited by spoovy: Nov 2 2011, 08:07 PM -------------------- What is SL?--Forum rules--Third party repos--How to post images--How to post large textfiles--TUV Docs
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helikaon

Posted: Nov 3 2011, 06:00 AM

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Group: Moderators
Posts: 514
Member No.: 4
Joined: 8-April 11

Hi spoovy,
so e.g. the :

CODE

sync
sdparm --flexible --command=stop /dev/sdX &>/dev/null

does nothing...?

cheers,

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spoovy

Posted: Nov 3 2011, 09:28 AM

SLF Moderator

Group: Moderators
Posts: 281
Member No.: 5
Joined: 8-April 11

Nothing: (after sync'ing)

CODE

[root@misspiggy ~]# sdparm --flexible --command=stop /dev/sdc &>/dev/null
[root@misspiggy ~]#

CODE

[root@misspiggy ~]# sdparm --verbose --flexible --command=stop /dev/sdc
>>> about to open device name: /dev/sdc
/dev/sdc: SAMSUNG HM321HI 2AJ1
Start stop unit command: 1b 00 00 00 00 00

...disk still spinning..

This post has been edited by spoovy: Nov 3 2011, 09:31 AM

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helikaon	Posted: Nov 3 2011, 04:51 PM
SLF Moderator Group: Moderators Posts: 514 Member No.: 4 Joined: 8-April 11	Hi spoovy, i had a brief look on the web and found handful different approaches and solutions starting by vendor spindown utilities, then linux binaries, scripts, different etc etc. I'm afraid, you'll have to trial/error to find out your solution.... at least e.g. here is list of disks working (spinning down): slug linux and hd-idle linux utility on sourceforge: hd-idle well, good luck on this man -------------------- What is SL? - Forum Rules - Repository configuration - Howto post images - Howto post long text and config files - TUV docs
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spoovy	Posted: Nov 3 2011, 07:24 PM
SLF Moderator Group: Moderators Posts: 281 Member No.: 5 Joined: 8-April 11	Cheers, I will keep plugging away... -------------------- What is SL?--Forum rules--Third party repos--How to post images--How to post large textfiles--TUV Docs
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