On 07/24/2014 10:58 PM, Robert Fantini wrote: > Hello. > > In this set up: > PowerEdge R720 > Raid: Perc H710 eight-port, 6Gb/s > > OSD drives: qty 4: Seagate Constellation ES.3 ST2000NM0023 2TB 7200 RPM > 128MB Cache SAS 6Gb/s > > Would it make sense to uses these good sas drives in raid-1 for journal? > Western Digital XE WD3001BKHG 300GB 10000 RPM 32MB Cache SAS 6Gb/s 2.5" > > > /Or would it make sense to / > /b: put journal on OSD/ > /c: get 2 ssd's / > / Go for that option. The 10k RPM disks are to slow as well for the journaling. Don't go with RAID-1 when using SSDs however. Wido > / > /I'm trying to find a good use for the WD 300GB drives.. We are > using some for opsys raid-1 .. However we've got a few more to use up../ > / > / > / > / > /best regards, Rob Fantini/ > > > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Wido den Hollander 42on B.V. Ceph trainer and consultant Phone: +31 (0)20 700 9902 Skype: contact42on
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