Greetings all. I am installing a test cluster using one ssd (/dev/sdg) to hold the journals. Ceph's version is 0.61.7 and I am using ceph-deploy obtained from ceph's git yesterday. This is on RHEL6.4, fresh install.
When preparing the first 2 drives, sda and sdb, all goes well and the journals get created in sdg1 and sdg2: $> ceph-deploy osd prepare ceph00:sda:sdg ceph00:sdb:sdg [ceph_deploy.osd][DEBUG ] Preparing cluster ceph disks ceph00:/dev/sda:/dev/sdg ceph00:/dev/sdb:/dev/sdg [ceph_deploy.osd][DEBUG ] Deploying osd to ceph00 [ceph_deploy.osd][DEBUG ] Host ceph00 is now ready for osd use. [ceph_deploy.osd][DEBUG ] Preparing host ceph00 disk /dev/sda journal /dev/sdg activate False [ceph_deploy.osd][DEBUG ] Preparing host ceph00 disk /dev/sdb journal /dev/sdg activate False When preparing sdc or any disk after the first 2 I get the following in that osd's log but no errors on ceph-deploy: # tail -f /var/log/ceph/ceph-osd.2.log 2013-08-06 10:51:36.655053 7f5ba701a780 0 ceph version 0.61.7 (8f010aff684e820ecc837c25ac77c7a05d7191ff), process ceph-osd, pid 11596 2013-08-06 10:51:36.658671 7f5ba701a780 1 filestore(/var/lib/ceph/tmp/mnt.i2NK47) mkfs in /var/lib/ceph/tmp/mnt.i2NK47 2013-08-06 10:51:36.658697 7f5ba701a780 1 filestore(/var/lib/ceph/tmp/mnt.i2NK47) mkfs fsid is already set to 5d1beb09-1f80-421d-a88c-57789e2fc33e 2013-08-06 10:51:36.813783 7f5ba701a780 1 filestore(/var/lib/ceph/tmp/mnt.i2NK47) leveldb db exists/created 2013-08-06 10:51:36.813964 7f5ba701a780 -1 journal FileJournal::_open: disabling aio for non-block journal. Use journal_force_aio to force use of aio anyway 2013-08-06 10:51:36.813999 7f5ba701a780 1 journal _open /var/lib/ceph/tmp/mnt.i2NK47/journal fd 10: 0 bytes, block size 4096 bytes, directio = 1, aio = 0 2013-08-06 10:51:36.814035 7f5ba701a780 -1 journal check: ondisk fsid 00000000-0000-0000-0000-000000000000 doesn't match expected 5d1beb09-1f80-421d-a88c-57789e2fc33e, invalid (someone else's?) journal 2013-08-06 10:51:36.814093 7f5ba701a780 -1 filestore(/var/lib/ceph/tmp/mnt.i2NK47) mkjournal error creating journal on /var/lib/ceph/tmp/mnt.i2NK47/journal: (22) Invalid argument 2013-08-06 10:51:36.814125 7f5ba701a780 -1 OSD::mkfs: FileStore::mkfs failed with error -22 2013-08-06 10:51:36.814185 7f5ba701a780 -1 ** ERROR: error creating empty object store in /var/lib/ceph/tmp/mnt.i2NK47: (22) Invalid argument I have cleaned the disks with dd, zapped them and so forth but this always occurs. If doing sdc/sdd first, for example, then sda or whatever follows fails with similar errors. Does anyone have any insight on this issue? Thanks a lot! -- Joao Pedras
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