2 questions, 1 In the moment i use kernel 4.10, the exclusive-lock not works fine in kernel's version less than < 4.12, right ? 2 The comand with exclusive would this ? rbd map --exclusive test-xlock3
Thanks a Lot, Marcelo Em 24/07/2017, Jason Dillaman <[email protected]> escreveu:> You will need to pass the "exclusive" option when running "rbd map" > (and be running kernel >= 4.12). > > On Mon, Jul 24, 2017 at 8:42 AM, <[email protected]> wrote: > > I'm testing ceph in my enviroment, but the feature exclusive lock don't > > works fine for me or maybe i'm doing something wrong. > > > > I testing in two machines create one image with exclusive-lock enable, if I > > understood correctly, with this feature, one machine only can mount and > > write in image at time. > > > > But When I'm testing, i saw the lock always is move to machine that try > > mount the volume lastly > > > > Example if i try mount the image in machine1 i see ip the machine1 and i > > mount the volume in machine1 : > > #rbd lock list test-xlock3 > > There is 1 exclusive lock on this image. > > Locker ID Address > > client.4390 auto XXXXXXXXXXXXXXXX 192.168.0.1:0/2940167630 > > > > But if now i running rbd map and try mount image in machine2, the lock is > > change to machine2, and i believe this is one error, because if lock already > > in machine one and i write in image, the machine2 don't should can mount the > > same image in the same time. > > If i running in machine2 now, i see : > > > > #rbd lock list test-xlock3 > > There is 1 exclusive lock on this image. > > Locker ID Address > > client.4491 auto XXXXXXXXXXXXXXXXXX 192.168.0.2:0/1260424031 > > > > > > > > Exclusive-lock enable in my image : > > > > rbd info test-xlock3 | grep features > > features: exclusive-lock > > > > > > i'm doing some wrong ? Existing some conf, to add in ceph.conf, to fix this, > > if one machine mount the volume, the machine2 don't can in the same time, i > > read about command rbd > > lock, but this command seem deprecated. > > > > > > > > Thanks, a lot. > > Marcelo > > > > > > _______________________________________________ > > ceph-users mailing list > > [email protected] > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > > -- > Jason
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