Gordon Messmer wrote:
> On 01/27/2016 08:11 AM, [email protected] wrote:
>> my manager has me using
>> pmount/pumount to mount the hard drives I'm putting in the eSATA drive
>> bay for offline backups. Formerly, I used mount/umount, and when I
>> umounted it, and walked downstairs, mostly, esp the green drives,
>> were spun down. I pumount... and*nothing* spins down.
>
> I think you're seeing a simple correlation of events that are
> indeterminate. Un-mounting a filesystem doesn't cause the drive to spin
> down (though "eject" should, IIRC). WD Green drives have a short
> spin-down period, and are more likely to spin down while not being
> accessed.
>
> pmount is just a SUID wrapper around mount. That is, it calls mount and
> umount. Whatever is keeping your drives from spinning down is almost
> certainly unrelated to using pmount.
>
> I'd suggest that you make the users who need to handle these disks
> members of the "disk" group. With that membership, they should be able
> to run "eject" to safely remove the drives and cause them to spin down.
Um, us sysadmins, the only ones using pmount, can do that already.
Thanks.
mark
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