Solved!
I stumbled into the solution while switching from block device to a
file. I was being bit by running mkcephfs multiple times -- it wasn't
really failing on the journal, it was failing because the OSD data
disk had been initialized before. I couldn't see that until I used a
file for the journal and then I see log output like:
=== osd.0 ===
2012-11-08 16:41:37.677620 7ffc3cfcd780 -1 provided osd id 0 != superblock's -1
2012-11-08 16:41:37.678726 7ffc3cfcd780 -1 ** ERROR: error creating
empty object store in /var/lib/ceph/osd/ceph-0: (22) Invalid argument
I unmounted the OSD's that had been touched before, reformatted them,
and then remounted. I setup ceph.conf to use block devices for the
journals, and then everything proceeded normally.
So the final relevant bits from my ceph.conf file look like:
[osd]
osd journal size = 0
journal dio = true
journal aio = true
[osd.0]
host = ceph1
osd journal = /dev/sda5
[osd.1]
host = ceph1
osd journal = /dev/sda6
...
Thanks,
- Travis
On Thu, Nov 8, 2012 at 10:08 AM, Travis Rhoden <trhoden@xxxxxxxxx> wrote:
> One more thing -- Google search says this is harmless -- I see quite a
> few of these in syslog:
>
> hdparm: sending ioctl 2285 to a partition!
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