We have 5 journal partitions per SSD. Works fine (on el6 and el7). Best practice is to use ceph-disk: ceph-disk prepare /dev/sde /dev/sdc # where e is the osd, c is an SSD. -- Dan On Wed, Jul 6, 2016 at 2:03 PM, George Shuklin <george.shuklin@xxxxxxxxx> wrote: > Hello. > > I've been testing Intel 3500 as journal store for few HDD-based OSD. I > stumble on issues with multiple partitions (>4) and UDEV (sda5, sda6,etc > sometime do not appear after partition creation). And I'm thinking that > partition is not that useful for OSD management, because linux do no allow > partition rereading with it contains used volumes. > > So my question: How you store many journals on SSD? My initial thoughts: > > 1) filesystem with filebased journals > 2) LVM with volumes > > Anything else? Best practice? > > P.S. I've done benchmarking: 3500 can support up to 16 10k-RPM HDD. > _______________________________________________ > 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
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