> If I want to use a disk dedicated for osd, can I just use something like > /dev/sdb instead of /dev/sdb1? Is there any negative impact on performance? You can pass /dev/sdb to ceph-disk-prepare and it will create two partitions, one for the journal (raw partition) and one for the data volume (defaults to formatting xfs). This is known as a single device OSD, in contrast with a multi-device OSD where the journal is on a completely different device (like a partition on a shared journaling SSD). -- Kyle _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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