On Tue, 13 Aug 2013, Georg H?llrigl wrote: > Thank you for the explaination. > > By mounting as filesystem I'm talking about something similar to this: > http://www.sebastien-han.fr/blog/2013/02/11/mount-a-specific-pool-with-cephfs/ > > Using the kernel module, I can mount a subdirectory into my directory > tree - a directory, where I have assigned a pool. > Using fuse, I can't mount a subdirectory? ceph-fuse --mount-root /some/path /mnt/ceph should do the trick. > By the way setting the layout seems to have a bug: > > # cephfs /mnt/macm01 set_layout -p 4 > Error setting layout: Invalid argument > > I have to add the -u option, then it works: > > # cephfs /mnt/mailstore set_layout -p 5 -u 4194304 Curious. Opened a bug! sage > > Kind Regards, > Georg > > > > > > On 13.08.2013 12:09, Dzianis Kahanovich wrote: > > Georg H?llrigl ?????: > > > >> I'm using ceph 0.61.7. > >> > >> When using ceph-fuse, I couldn't find a way, to only mount one pool. > >> > >> Is there a way to mount a pool - or is it simply not supported? > > > > This mean "mount as fs"? > > Same as kernel-level cephfs (fuse & cephfs = same instance). You cannot > "mount > > pool", but can mount filesystem and can map pool to any point of filesystem > > (file or directory), include root. > > > > First, mount ceph via kernel - "mount -t ceph" (just for "cephfs" tool > syntax > > compatibility). For example - to /mnt/ceph. Then say "ceph df" and lookup > pool > > number (not name!), for example pool number is "10". And last: > > mkdir -p /mnt/ceph/pools/pool1 > > cephfs /mnt/ceph/pools/pool1 set_layout -p 10 > > > > or just (for ceph's root): > > > > cephfs /mnt/ceph set_layout -p 10 > > > > Next you can unmount kernel-level and mount this point via fuse. > > > > PS For ceph developers: trying this for qouta (with "ceph osd pool > set-quota") > > semi-working: on quota overflow - nothing limited, but "ceph health" show > > warning. In case of no other ways to quota, it may qualified as "bug" and > not > > too actual only while big number of pools performance limitation. So, FYI. > > > > -- > Dipl.-Ing. (FH) Georg H?llrigl > Technik > > ________________________________________________________________________________ > > Xidras GmbH > Stockern 47 > 3744 Stockern > Austria > > Tel: +43 (0) 2983 201 - 30505 > Fax: +43 (0) 2983 201 - 930505 > Email: georg.hoellrigl@xxxxxxxxxx > Web: http://www.xidras.com > > FN 317036 f | Landesgericht Krems | ATU64485024 > > ________________________________________________________________________________ > > VERTRAULICHE INFORMATIONEN! > Diese eMail enth?lt vertrauliche Informationen und ist nur f?r den > berechtigten > Empf?nger bestimmt. Wenn diese eMail nicht f?r Sie bestimmt ist, bitten > wir Sie, > diese eMail an uns zur?ckzusenden und anschlie?end auf Ihrem Computer und > Mail-Server zu l?schen. Solche eMails und Anlagen d?rfen Sie weder nutzen, > noch verarbeiten oder Dritten zug?nglich machen, gleich in welcher Form. > Wir danken f?r Ihre Kooperation! > > CONFIDENTIAL! > This email contains confidential information and is intended for the > authorised > recipient only. If you are not an authorised recipient, please return > the email > to us and then delete it from your computer and mail-server. You may neither > use nor edit any such emails including attachments, nor make them accessible > to third parties in any manner whatsoever. > Thank you for your cooperation > > ________________________________________________________________________________ > > _______________________________________________ > 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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