| Commit message (Collapse) | Author | Age | Files | Lines |
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Wheezy's udev (175-7.2) has broken rules for the /dev/disk/by-partuuid/
symlinks that ceph-disk relies on. Install parallel rules that work. On
new udev, this is harmless; old older udev, this will make life better.
Fixes: #4865
Backport: cuttlefish
Signed-off-by: Sage Weil <sage@inktank.com>
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Signed-off-by: Gary Lowell <gary.lowell@inktank.com>
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Two fixes for Centos 6.3 and other systems with udev versions
prior to 172. The disk peristant name using the GPT UUID does
not exist, so use the by_path persistent name instead for the
journal symlink.
The gpt label fields are not available for use in udev rules. Add
ceph-disk-udev wrapper script that extracts the partition
type guid from the label and calls ceph-disk-activate if it is
a ceph guid type. (Bug #4632)
Signed-off-by: Gary Lowell <gary.lowell@inktank.com>
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Avoids the following: udevd[61613]: failed to execute '/lib/udev/bash'
'bash -c 'while [ ! -e /dev/mapper/....
Signed-off-by: Alexandre Marangone <alexandre.marangone@inktank.com>
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Automatically map encrypted journal partitions.
For encrypted OSD partitions, map them, wait for the mapped device to
appear, and then ceph-disk-activate.
This is much simpler than doing the work in ceph-disk-activate.
Signed-off-by: Sage Weil <sage@inktank.com>
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There is no need to depend on upstart for this.
Signed-off-by: Sage Weil <sage@inktank.com>
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Below is a patch which makes the ceph-rbdnamer script more robust and
fixes a problem with the rbd udev rules.
On our setup we encountered a symlink which was linked to the wrong rbd:
/dev/rbd/mypool/myrbd -> /dev/rbd1
While that link should have gone to /dev/rbd3 (on which a
partition /dev/rbd3p1 was present).
Now the old udev rule passes %n to the ceph-rbdnamer script, the problem
with %n is that %n results in a value of 3 (for rbd3), but in a value of
1 (for rbd3p1), so it seems it can't be depended upon for rbdnaming.
In the patch below the ceph-rbdnamer script is made more robust and it
now it can be called in various ways:
/usr/bin/ceph-rbdnamer /dev/rbd3
/usr/bin/ceph-rbdnamer /dev/rbd3p1
/usr/bin/ceph-rbdnamer rbd3
/usr/bin/ceph-rbdnamer rbd3p1
/usr/bin/ceph-rbdnamer 3
Even with all these different styles of calling the modified script, it
should now return the same rbdname. This change "has" to be combined
with calling it from udev with %k though.
With that fixed, we hit the second problem. We ended up with:
/dev/rbd/mypool/myrbd -> /dev/rbd3p1
So the rbdname was symlinked to the partition on the rbd instead of the
rbd itself. So what probably went wrong is udev discovering the disk and
running ceph-rbdnamer which resolved it to myrbd so the following
symlink was created:
/dev/rbd/mypool/myrbd -> /dev/rbd3
However partitions would be discovered next and ceph-rbdnamer would be
run with rbd3p1 (%k) as parameter, resulting in the name myrbd too, with
the previous correct symlink being overwritten with a faulty one:
/dev/rbd/mypool/myrbd -> /dev/rbd3p1
The solution to the problem is in differentiating between disks and
partitions in udev and handling them slightly differently. So with the
patch below partitions now get their own symlinks in the following style
(which is fairly consistent with other udev rules):
/dev/rbd/mypool/myrbd-part1 -> /dev/rbd3p1
Please let me know any feedback you have on this patch or the approach
used.
Regards,
Pascal de Bruijn
Unilogic B.V.
Signed-off-by: Pascal de Bruijn <pascal@unilogicnetworks.net>
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
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The device number depends on how many rbd images have been
mapped. Removing it makes the name determined solely by the name,
image, and snapshot that are mapped, for ease of scripting or persistence
across reboots.
Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
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Signed-off-by: Tommi Virtanen <tommi.virtanen@dreamhost.com>
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Add /lib/udev/rules.d/50-rbd.rules to debian package.
Signed-off-by: Samuel Just <samuel.just@dreamhost.com>
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