Bug 508482 - devkit-disks-daemon spins-up my /dev/sda once or twice per hour
devkit-disks-daemon spins-up my /dev/sda once or twice per hour
Product: Fedora
Classification: Fedora
Component: DeviceKit-disks (Show other bugs)
All Linux
low Severity medium
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Assigned To: David Zeuthen
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2009-06-27 14:25 EDT by Jim Meyering
Modified: 2016-04-26 15:15 EDT (History)
3 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2010-06-28 09:20:30 EDT
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
blob from above (2.05 KB, application/octet-stream)
2009-10-02 08:12 EDT, Jim Meyering
no flags Details

  None (edit)
Description Jim Meyering 2009-06-27 14:25:55 EDT
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
Actual results: disk spins up every hour

Expected results: spun-down disk spins up only when needed (for my backups)

Additional info:
Comment 1 Paul Wells 2009-09-04 17:14:03 EDT
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
    /usr/libexec/real-devkit-disks-helper-ata-smart-collect $*
Comment 2 Jim Meyering 2009-10-02 08:10:30 EDT
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.
Comment 3 Jim Meyering 2009-10-02 08:12:53 EDT
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
Comment 4 Bug Zapper 2010-04-27 11:18:18 EDT
This message is a reminder that Fedora 11 is nearing its end of life.
Approximately 30 (thirty) days from now Fedora will stop maintaining
and issuing updates for Fedora 11.  It is Fedora's policy to close all
bug reports from releases that are no longer maintained.  At that time
this bug will be closed as WONTFIX if it remains open with a Fedora 
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Comment 5 Bug Zapper 2010-06-28 09:20:30 EDT
Fedora 11 changed to end-of-life (EOL) status on 2010-06-25. Fedora 11 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of 
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