Going in a tiny bit more detail to what Michał said, one of the key reasons for having the journal (in particular, to use SSD's) is to reduce latency on writes (the other being a replay in the event of a crash). Even if the functionality existed, adding a network trip to this would be detrimental :) Bill On Wed, Feb 10, 2016 at 2:42 PM, Michał Chybowski <michal.chybowski@xxxxxxxxxxxx> wrote: > "Remote journal"? No, don't do it even if it'd be possible via NFS or any > kind of network-FS. > > You could always keep the journal on HDD (yes, I know it's not what You > wanted to achieve, but I don't think that setting journal on remote machine > would be a good idea in any way) > > Regards > Michał > > W dniu 10.02.2016 o 22:54, Yu Xiang pisze: > > Dear list, > we have a cluster with 2 nodes, one have ssd and the other do not (host 1 > has ssd and host 2 does not have), is there any possibility that host 2 can > still use the ssd from host 1 for journaling? > I see that we can change journal path in ceph.conf, but this is a path when > journal and osd are on the same node, so i am not sure how to set the > journal path when it's on a different node of the osd.. > > Any help would be highly appreciated! Just wondering if ceph could do this! > > Thanks in advance! > > Regards, > Mavis > > > _______________________________________________ > 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 > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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