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Previously, ceph-disk-* would only let you use a journal that was a file inside the OSD data directory. With this, you can do: ceph-disk-prepare /dev/sdb /dev/sdb to put the journal as a second partition on the same disk as the OSD data (might save some file system overhead), or, more interestingly: ceph-disk-prepare /dev/sdb /dev/sdc which makes it create a new partition on /dev/sdc to use as the journal. Size of the partition is decided by $osd_journal_size. /dev/sdc must be a GPT-format disk. Multiple OSDs may share the same journal disk (using separate partitions); this way, a single fast SSD can serve as journal for multiple spinning disks. The second use case currently requires parted, so a Recommends: for parted has been added to Debian packaging. Closes: #3078 Closes: #3079 Signed-off-by: Tommi Virtanen <tv@inktank.com> |
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| .gitignore | ||
| ceph-common.install | ||
| ceph-fs-common.install | ||
| ceph-fuse.install | ||
| ceph-mds.install | ||
| ceph-resource-agents.install | ||
| ceph.dirs | ||
| ceph.docs | ||
| ceph.install | ||
| ceph.lintian-overrides | ||
| ceph.postrm | ||
| changelog | ||
| compat | ||
| control | ||
| copyright | ||
| libcephfs1.install | ||
| libcephfs-dev.install | ||
| librados2.install | ||
| librados-dev.install | ||
| librbd1.install | ||
| librbd-dev.install | ||
| python-ceph.install | ||
| radosgw.dirs | ||
| radosgw.install | ||
| rest-bench.install | ||
| rules | ||
| watch | ||