Hi Maybe the easiest way would be to just create files to the SSD and use those as journals. Don't know if this creates too much overhead, but atleast it would be simple. Br, T -----Original Message----- From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of George Shuklin Sent: 6. heinäkuuta 2016 15:04 To: ceph-users@xxxxxxxxxxxxxx Subject: multiple journals on SSD 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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