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l33tmmx
Tux's lil' helper
Joined: 12 Mar 2005
Posts: 112
Location: Pirkkala, Finland
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 Posted: Thu Jul 05, 2007 7:23 pm Post subject: Hald and IDE drives |
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I have three drives on my machine, /dev/hda, /dev/hdb and /dev/sda. Because the ventilation of the case is not the best possible (consequently the drives tend to run a bit too warm for my liking), and I don't normally need to access anything on /dev/hdb, I decided to put the hdb drive to standby mode(via /etc/conf.d/hdparm). That works fine, if I don't have hald running, but when hald is started, it wakes hdb up after a few seconds... 
'hal-disable-polling' doesn't work, it just says: | Code: | hal-disable-polling --device /dev/hdb
The given drive don't use removable media so it's not polled anyway. |
How can/should I configure hald to ignore /dev/hdb, so it stays on standby mode? My current solution is not to run hald, but that is not ideal, of course 
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PaulBredbury
Watchman
Joined: 14 Jul 2005
Posts: 7310
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| Posted: Thu Jul 05, 2007 9:46 pm Post subject: |
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| I stop a drive in /etc/conf.d/local.start with "hdparm -y", and that works. So move the hdparm command to there, which is of course after hald has started. |
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l33tmmx
Tux's lil' helper
Joined: 12 Mar 2005
Posts: 112
Location: Pirkkala, Finland
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| Posted: Fri Jul 06, 2007 4:22 am Post subject: |
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Thanks, that is an usable solution  ...should have thought of that myself.
But... actually, I was hoping for an easy way to control hald. Yes, I know there are the policy.fdi files, but they are not really user-friendly.
Hal/hald is basically an extremely good idea, but I somewhat dislike daemons which uncontrollably-does-all-the-wrong-things-automatically (Reminds me of gnome-settings-daemon)
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l33tmmx
Tux's lil' helper
Joined: 12 Mar 2005
Posts: 112
Location: Pirkkala, Finland
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| Posted: Fri Jul 06, 2007 7:21 am Post subject: |
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Well, it doesn't seem to be working . I have to run 'hdparm -y /dev/hdb' manually after the system has started. Maybe local.start is run too soon after hald is started? I have to experiment with delays inserted in local.start.
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PaulBredbury
Watchman
Joined: 14 Jul 2005
Posts: 7310
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| Posted: Fri Jul 06, 2007 7:29 am Post subject: |
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Try, from hal doc:
| Code: | cat > /etc/hal/fdi/policy/no-fixed-drives.fdi << "EOF"
<?xml version="1.0" encoding="UTF-8"?> <!-- -*- SGML -*- -->
<!-- Don't allow HAL methods on disks that are not
removable or hotpluggable -->
<deviceinfo version="0.2">
<device>
<match key="@block.storage_device:storage.hotpluggable" bool="false">
<match key="@block.storage_device:storage.removable" bool="false">
<merge key="volume.ignore" type="bool">true</merge>
</match>
</match>
</device>
</deviceinfo>
EOF |
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