Zenaan Harkness <zen...@freedbms.net> writes: >So I have a 'spare' internal spinning rust bucket which I only use >for backups, and so most of the time when I'm not using it I put it >to sleep with: > >sudo hdparm -Y /dev/sda > >Unfortunately the kernel wakes the drive up again: > >Aug 27 19:44:40 eye kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 >action 0x6 >Aug 27 19:44:40 eye kernel: ata1.00: waking up from sleep >Aug 27 19:44:40 eye kernel: ata1: hard resetting link >Aug 27 19:44:41 eye kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 SControl >300) >Aug 27 19:44:41 eye kernel: ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET >FEATURES) succeeded >Aug 27 19:44:41 eye kernel: ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY >FREEZE LOCK) filtered out >Aug 27 19:44:41 eye kernel: ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET >FEATURES) filtered out >Aug 27 19:44:43 eye kernel: ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET >FEATURES) succeeded >Aug 27 19:44:43 eye kernel: ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY >FREEZE LOCK) filtered out >Aug 27 19:44:43 eye kernel: ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET >FEATURES) filtered out >Aug 27 19:44:43 eye kernel: ata1.00: configured for UDMA/133 >Aug 27 19:44:43 eye kernel: ata1: EH complete > >Why is the kernel doing this, and how do I stop it from happening? > >TIA,
I do a similar thing but use hdparm -y. I never see the drive spin back up. I would look in the log for a cron job related to the drive comming back up.
