Journals will default to being on-disk with the OSD if there is nothing specified on the ceph-deploy line. If you have a separate journal device, then you should specify it per the original example syntax.
Michael J. Kidd Sr. Storage Consultant Inktank Professional Services On Fri, Mar 14, 2014 at 8:22 AM, Markus Goldberg <goldb...@uni-hildesheim.de > wrote: > Sorry, > i should have asked a little bit clearer: > Can ceph (or OSDs) be used without journals now ? > The Journal-Parameter seems to be optional ( because of '[...]' ) > > Markus > Am 14.03.2014 12:19, schrieb John Spray: > > Journals have not gone anywhere, and ceph-deploy still supports >> specifying them with exactly the same syntax as before. >> >> The page you're looking at is the simplified "quick start", the detail >> on osd creation including journals is here: >> http://eu.ceph.com/docs/v0.77/rados/deployment/ceph-deploy-osd/ >> >> Cheers, >> John >> >> On Fri, Mar 14, 2014 at 9:47 AM, Markus Goldberg >> <goldb...@uni-hildesheim.de> wrote: >> >>> Hi, >>> i'm a little bit surprised. I read through the new manuals of 0.77 >>> (http://eu.ceph.com/docs/v0.77/start/quick-ceph-deploy/) >>> In the section of creating the osd the manual says: >>> >>> Then, from your admin node, use ceph-deploy to prepare the OSDs. >>> >>> ceph-deploy osd prepare {ceph-node}:/path/to/directory >>> >>> For example: >>> >>> ceph-deploy osd prepare node2:/var/local/osd0 node3:/var/local/osd1 >>> >>> Finally, activate the OSDs. >>> >>> ceph-deploy osd activate {ceph-node}:/path/to/directory >>> >>> For example: >>> >>> ceph-deploy osd activate node2:/var/local/osd0 node3:/var/local/osd1 >>> >>> >>> In former versions the osd was created like: >>> >>> ceph-deploy -v --overwrite-conf osd --fs-type btrfs prepare >>> bd-0:/dev/sdb:/dev/sda5 >>> >>> ^^^^^^^^^^ Journal >>> As i remember defining and creating a journal for each osd was a must. >>> >>> So the question is: Are Journals obsolet now ? >>> >>> -- >>> MfG, >>> Markus Goldberg >>> >>> ------------------------------------------------------------ >>> -------------- >>> Markus Goldberg Universität Hildesheim >>> Rechenzentrum >>> Tel +49 5121 88392822 Marienburger Platz 22, D-31141 Hildesheim, Germany >>> Fax +49 5121 88392823 email goldb...@uni-hildesheim.de >>> ------------------------------------------------------------ >>> -------------- >>> >>> >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@lists.ceph.com >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >>> > > -- > MfG, > Markus Goldberg > > -------------------------------------------------------------------------- > Markus Goldberg Universität Hildesheim > Rechenzentrum > Tel +49 5121 88392822 Marienburger Platz 22, D-31141 Hildesheim, Germany > Fax +49 5121 88392823 email goldb...@uni-hildesheim.de > -------------------------------------------------------------------------- > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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