On 17/12/2015 11:33, Jesper Thorhauge wrote: > Hi Loic, > > Sounds like something does go wrong when /dev/sdc3 shows up. Is there anyway i can debug this further? Log-files? Modify the .rules file...? Do you see traces of what happens when /dev/sdc3 shows up in boot.log ? > > /Jesper > > **************** > > The non-symlink files in /dev/disk/by-partuuid come to existence because of: > > * system boots > * udev rule calls ceph-disk-udev via 95-ceph-osd.rules on /dev/sda1 > * ceph-disk-udev creates the symlink /dev/disk/by-partuuid/c83b5aa5-fe77-42f6-9415-25ca0266fb7f -> ../../sdb1 > * ceph-disk activate /dev/sda1 is mounted and finds a symlink to the journal journal -> /dev/disk/by-partuuid/1e9d527f-0866-4284-b77c-c1cb04c5a168 which does not yet exists because /dev/sdc udev rules have not been run yet > * ceph-osd opens the journal in write mode and that creates the file /dev/disk/by-partuuid/1e9d527f-0866-4284-b77c-c1cb04c5a168 as a regular file > * the file is empty and the osd fails to activate with the error you see (EINVAL because the file is empty) > > This is ok, supported and expected since there is no way to know which disk will show up first. > > When /dev/sdc shows up, the same logic will be triggered: > > * udev rule calls ceph-disk-udev via 95-ceph-osd.rules on /dev/sda1 > * ceph-disk-udev creates the symlink /dev/disk/by-partuuid/1e9d527f-0866-4284-b77c-c1cb04c5a168 -> ../../sdc3 (overriding the file because ln -sf) > * ceph-disk activate-journal /dev/sdc3 finds that c83b5aa5-fe77-42f6-9415-25ca0266fb7f is the data partition for that journal and mounts /dev/disk/by-partuuid/c83b5aa5-fe77-42f6-9415-25ca0266fb7f > * ceph-osd opens the journal and all is well > > Except something goes wrong in your case, presumably because ceph-disk-udev is not called when /dev/sdc3 shows up ? > > On 17/12/2015 08:29, Jesper Thorhauge wrote: >> Hi Loic, >> >> osd's are on /dev/sda and /dev/sdb, journal's is on /dev/sdc (sdc3 / sdc4). >> >> sgdisk for sda shows; >> >> Partition GUID code: 4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D (Unknown) >> Partition unique GUID: E85F4D92-C8F1-4591-BD2A-AA43B80F58F6 >> First sector: 2048 (at 1024.0 KiB) >> Last sector: 1953525134 (at 931.5 GiB) >> Partition size: 1953523087 sectors (931.5 GiB) >> Attribute flags: 0000000000000000 >> Partition name: 'ceph data' >> >> for sdb >> >> Partition GUID code: 4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D (Unknown) >> Partition unique GUID: C83B5AA5-FE77-42F6-9415-25CA0266FB7F >> First sector: 2048 (at 1024.0 KiB) >> Last sector: 1953525134 (at 931.5 GiB) >> Partition size: 1953523087 sectors (931.5 GiB) >> Attribute flags: 0000000000000000 >> Partition name: 'ceph data' >> >> for /dev/sdc3 >> >> Partition GUID code: 45B0969E-9B03-4F30-B4C6-B4B80CEFF106 (Unknown) >> Partition unique GUID: C34D4694-B486-450D-B57F-DA24255F0072 >> First sector: 935813120 (at 446.2 GiB) >> Last sector: 956293119 (at 456.0 GiB) >> Partition size: 20480000 sectors (9.8 GiB) >> Attribute flags: 0000000000000000 >> Partition name: 'ceph journal' >> >> for /dev/sdc4 >> >> Partition GUID code: 45B0969E-9B03-4F30-B4C6-B4B80CEFF106 (Unknown) >> Partition unique GUID: 1E9D527F-0866-4284-B77C-C1CB04C5A168 >> First sector: 956293120 (at 456.0 GiB) >> Last sector: 976773119 (at 465.8 GiB) >> Partition size: 20480000 sectors (9.8 GiB) >> Attribute flags: 0000000000000000 >> Partition name: 'ceph journal' >> >> 60-ceph-partuuid-workaround.rules is located in /lib/udev/rules.d, so it seems correct to me. >> >> after a reboot, /dev/disk/by-partuuid is; >> >> -rw-r--r-- 1 root root 0 Dec 16 07:35 1e9d527f-0866-4284-b77c-c1cb04c5a168 >> -rw-r--r-- 1 root root 0 Dec 16 07:35 c34d4694-b486-450d-b57f-da24255f0072 >> lrwxrwxrwx 1 root root 10 Dec 16 07:35 c83b5aa5-fe77-42f6-9415-25ca0266fb7f -> ../../sdb1 >> lrwxrwxrwx 1 root root 10 Dec 16 07:35 e85f4d92-c8f1-4591-bd2a-aa43b80f58f6 -> ../../sda1 >> >> i dont know how to verify the symlink of the journal file - can you guide me on that one? >> >> Thank :-) ! >> >> /Jesper >> >> ************** >> >> Hi, >> >> On 17/12/2015 07:53, Jesper Thorhauge wrote: >>> Hi, >>> >>> Some more information showing in the boot.log; >>> >>> 2015-12-16 07:35:33.289830 7f1b990ad800 -1 filestore(/var/lib/ceph/tmp/mnt.aWZTcE) mkjournal error creating journal on /var/lib/ceph/tmp/mnt.aWZTcE/journal: (22) Invalid argument >>> 2015-12-16 07:35:33.289842 7f1b990ad800 -1 OSD::mkfs: ObjectStore::mkfs failed with error -22 >>> 2015-12-16 07:35:33.289883 7f1b990ad800 -1 ** ERROR: error creating empty object store in /var/lib/ceph/tmp/mnt.aWZTcE: (22) Invalid argument >>> ERROR:ceph-disk:Failed to activate >>> ceph-disk: Command '['/usr/bin/ceph-osd', '--cluster', 'ceph', '--mkfs', '--mkkey', '-i', '7', '--monmap', '/var/lib/ceph/tmp/mnt.aWZTcE/activate.monmap', '--osd-data', '/var/lib/ceph/tmp/mnt.aWZTcE', '--osd-journal', '/var/lib/ceph/tmp/mnt.aWZTcE/journal', '--osd-uuid', 'c83b5aa5-fe77-42f6-9415-25ca0266fb7f', '--keyring', '/var/lib/ceph/tmp/mnt.aWZTcE/keyring']' returned non-zero exit status 1 >>> ceph-disk: Error: One or more partitions failed to activate >>> >>> Maybe related to the "(22) Invalid argument" part..? >> >> After a reboot the symlinks are reconstructed and if they are still incorrect, it means there is an inconsistency somewhere else. To debug the problem, could you mount /dev/sda1 and verify the symlink of the journal file ? Then verify the content of /dev/disk/by-partuuid. And also display the partition information with sgdisk -i 1 /dev/sda and sgdisk -i 2 /dev/sda. Are you collocating your journal with the data, on the same disk ? Or are they on two different disks ? >> >> git log --no-merges --oneline tags/v0.94.3..tags/v0.94.5 udev >> >> shows nothing, meaning there has been no change to udev rules. There is one change related to the installation of the udev rules https://github.com/ceph/ceph/commit/4eb58ad2027148561d94bb43346b464b55d041a6. Could you double check 60-ceph-partuuid-workaround.rules is installed where it should ? >> >> Cheers >> >>> >>> /Jesper >>> >>> ********************* >>> >>> Hi, >>> >>> I have done several reboots, and it did not lead to healthy symlinks :-( >>> >>> /Jesper >>> >>> ************ >>> >>> Hi, >>> >>> On 16/12/2015 07:39, Jesper Thorhauge wrote: >>>> Hi, >>>> >>>> A fresh server install on one of my nodes (and yum update) left me with CentOS 6.7 / Ceph 0.94.5. All the other nodes are running Ceph 0.94.2. >>>> >>>> "ceph-disk prepare /dev/sda /dev/sdc" seems to work as expected, but "ceph-disk activate / dev/sda1" fails. I have traced the problem to "/dev/disk/by-partuuid", where the journal symlinks are broken; >>>> >>>> -rw-r--r-- 1 root root 0 Dec 16 07:35 1e9d527f-0866-4284-b77c-c1cb04c5a168 >>>> -rw-r--r-- 1 root root 0 Dec 16 07:35 c34d4694-b486-450d-b57f-da24255f0072 >>>> lrwxrwxrwx 1 root root 10 Dec 16 07:35 c83b5aa5-fe77-42f6-9415-25ca0266fb7f -> ../../sdb1 >>>> lrwxrwxrwx 1 root root 10 Dec 16 07:35 e85f4d92-c8f1-4591-bd2a-aa43b80f58f6 -> ../../sda1 >>>> >>>> Re-creating them manually wont survive a reboot. Is this a problem with the udev rules in Ceph 0.94.3+? >>> >>> This usually is a symptom of something else going wrong (i.e. it is possible to confuse the kernel into creating the wrong symbolic links). The correct symlinks should be set when you reboot. >>> >>>> Hope that somebody can help me :-) >>> >>> Please let us know if rebooting leads to healthy symlinks. >>> >>> Cheers >>>> >>>> Thanks! >>>> >>>> Best regards, >>>> Jesper >>>> >>>> >>>> _______________________________________________ >>>> ceph-users mailing list >>>> ceph-users@xxxxxxxxxxxxxx >>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>> >>> >>> -- >>> Loïc Dachary, Artisan Logiciel Libre >>> >>> >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@xxxxxxxxxxxxxx >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >>> >>> >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@xxxxxxxxxxxxxx >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >> >> -- >> Loïc Dachary, Artisan Logiciel Libre >> >> >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > > -- > Loïc Dachary, Artisan Logiciel Libre > > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Loïc Dachary, Artisan Logiciel Libre
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