For some reason my swap device is not being enabled (swapon) at boot.
It seems that the new systemd swap.target is not doing its thing as I
would expect.

After booting, I can manually run "systemctl start swap.target" and it
works, with my device then showing up in /proc/swaps.

My swap device is a LUKS-encrypted LVM logical volume, and I don't see
anything wrong with any of its setup or configuration. Nor has
anything changed that I know of since F15.

Since swap.target is a built-in special systemd unit, is there
anything I need to do to make it work at boot?
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Deron Meranda
http://deron.meranda.us/
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On Thu, Nov 17, 2011 at 2:20 PM, Deron Meranda <deron.meranda@gmail.com> wrote:
> For some reason my swap device is not being enabled (swapon) at boot.
> It seems that the new systemd swap.target is not doing its thing as I
> would expect. ...


I've now confirmed this only happens with LUKS-encrypted swap devices.

I created a second logical volume that was formatted for swap, and
immediately after boot that device was in /proc/swaps, but the LUKS
one was not.

Doing a "systemctl start swap.target" after the boot completed did add
the other one.

I am beginning to believe this may be a systemd bug. Perhaps the
ordering of the systemd units is somehow wrong, in that the
swap.target unit is invoked before all the LUKS-encrypted volumes are
opened (unencrypted)?


Can anybody else confirm this behavior? Note that I have individual
LVM logical volumes encrypted with LUKS, not the entire disk or entire
volume group. Also my root (/) filesystem is not encrypted, if that
matters.
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Deron Meranda
http://deron.meranda.us/
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If anybody is following this or has additional info to add, I've filed
bug 755164.

https://bugzilla.redhat.com/show_bug.cgi?id=755164

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Deron Meranda
http://deron.meranda.us/
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