Michael Cronenworth wrote:
Why would Linux be waking up every 5 to 10 seconds to write to the
disk when I am sitting at my desktop or sitting at the login screen?
(i.e. No programs running. Only 40 total wakeups seen in powertop)
- Seagate 320gig SATA
- XFS filesystem, relatime mount option enabled
- link_power_management_policy set to min_power
- vm.dirty_writeback_centisecs is set to 1500
I even unmounted /boot (default ext3) but that did not change
anything. Every 5 to 10 seconds I see the HDD light flash and
sometimes I hear a very faint "beeping" like the drive is waking up or
powering off, whichever it is doing.
Have you added noatime to your /etc/fstab?
This is one important item to stop disk writes.
Also consider changing /boot to ext2....
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