Description of problem: something spins up my otherwise always-spun-down /dev/sda once or twice every hour. Turns out it's devkit-disks-daemon's invocation of /usr/libexec/devkit-disks-helper-ata-smart-collect. Version-Release number of selected component (if applicable): DeviceKit-disks 005-2.fc12 libatasmart.x86_64 0.12-3.fc11 How reproducible: always same procedure as for http://bugzilla.redhat.com/491552 Steps to Reproduce: 1. spin down a disk 2. wait 30-60 minutes, and notice it spins up 3. Actual results: disk spins up every hour Expected results: spun-down disk spins up only when needed (for my backups) Additional info:
I have the same problem on my Fedora 11 systems where I normally want /dev/sdb and /dev/sdc spun down. For now I've kludged around this bug by renaming /usr/libexec/devkit-disks-helper-ata-smart-collect to /usr/libexec/real-devkit-disks-helper-ata-smart-collect and replacing it with the following trivial shell script: #! /bin/sh # # Fake version of /usr/libexec/devkit-disks-helper-ata-smart-collect # to prevent polling sdb and sdc if [ "$1" = "/dev/sdb" -o "$1" = "/dev/sdc" ] ; then exit 2 else /usr/libexec/real-devkit-disks-helper-ata-smart-collect $* fi
on a system running rawhide, devkit-disks-helper-ata-smart-collect spins up only one of two sleeping disks: $ hddtemp /dev/sd[ab] /dev/sda: ST3320620AS: drive is sleeping /dev/sdb: SAMSUNG HD103UI: drive is sleeping $ strace -o k.sda -ff /usr/libexec/devkit-disks-helper-ata-smart-collect /dev/sda 1 > out; hddtemp /dev/sd[ab] /dev/sda: ST3320620AS: 34°C /dev/sdb: SAMSUNG HD103UI: drive is sleeping And since hddtemp "knew" that sda was sleeping, yet smart-collect woke it up, I conclude smart-collect can learn not to spin-up /dev/sda. I'll attach the blob it output.
Created attachment 363465 [details] blob from above This is the blob output by running /usr/libexec/devkit-disks-helper-ata-smart-collect /dev/sda 1
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