Public bug reported:
Binary package hint: udev
My secondary hdd (not mounted) did not go into standby and spun up again
right after a "hdparm -y /dev/sdb" command.
the cause is /lib/udev/vol_id beeing executed on a change action caused
by this rule in /lib/udev/rules.d/60-persistent-storage.rules:
# probe filesystem metadata of disks
KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode"
which causes an access to the hdd _after_ a spin-down event -> hdd spins up
again
(My hdd model: SAMSUNG HD103UJ (Spinpoint F1, 1TB))
quick fix for me:
KERNEL!="sr*", ACTION=="add", IMPORT{program}="vol_id --export $tempnode"
** Affects: udev (Ubuntu)
Importance: Undecided
Status: New
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udev 60-persistent-storage.rules vol_id cancels hdd spin-down
https://bugs.launchpad.net/bugs/388506
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