No worries, can definitely do that. Cheers Aaron
On Thu, Jan 16, 2020 at 8:08 PM Jeff Layton <jlay...@redhat.com> wrote: > On Thu, 2020-01-16 at 18:42 -0500, Jeff Layton wrote: > > On Wed, 2020-01-15 at 08:05 -0500, Aaron wrote: > > > Seeing a weird mount issue. Some info: > > > > > > No LSB modules are available. > > > Distributor ID: Ubuntu > > > Description: Ubuntu 18.04.3 LTS > > > Release: 18.04 > > > Codename: bionic > > > > > > Ubuntu 18.04.3 with kerne 4.15.0-74-generic > > > Ceph 14.2.5 & 14.2.6 > > > > > > With ceph-common, ceph-base, etc installed: > > > > > > ceph/stable,now 14.2.6-1bionic amd64 [installed] > > > ceph-base/stable,now 14.2.6-1bionic amd64 [installed] > > > ceph-common/stable,now 14.2.6-1bionic amd64 [installed,automatic] > > > ceph-mds/stable,now 14.2.6-1bionic amd64 [installed] > > > ceph-mgr/stable,now 14.2.6-1bionic amd64 [installed,automatic] > > > ceph-mgr-dashboard/stable,stable,now 14.2.6-1bionic all [installed] > > > ceph-mon/stable,now 14.2.6-1bionic amd64 [installed] > > > ceph-osd/stable,now 14.2.6-1bionic amd64 [installed] > > > libcephfs2/stable,now 14.2.6-1bionic amd64 [installed,automatic] > > > python-ceph-argparse/stable,stable,now 14.2.6-1bionic all > [installed,automatic] > > > python-cephfs/stable,now 14.2.6-1bionic amd64 [installed,automatic] > > > > > > I create a user via get-or-create cmd, and I have a users/secret now. > > > When I try to mount on these Ubuntu nodes, > > > > > > The mount cmd I run for testing is: > > > sudo mount -t ceph -o > > > > name=user-20c5338c-34db-11ea-b27a-de7033e905f6,secret=AQC6dhpeyczkDxAAhRcr7oERUY4BcD2NCUkuNg== > > > 10.10.10.10:6789:/work/20c5332d-34db-11ea-b27a-de7033e905f6 /tmp/test > > > > > > I get the error: > > > couldn't finalize options: -34 > > > > > > From some tracking down, it's part of the get_secret_option() in > > > common/secrets.c and the Linux System Error: > > > > > > #define ERANGE 34 /* Math result not representable */ > > > > > > Now the weird part...when I remove all the above libs above, the mount > > > command works. I know that there are ceph.ko modules in the Ubuntu > > > filesystems DIR, and that Ubuntu comes with some understanding of how > > > to mount a cephfs system. So, that explains how it can mount > > > cephfs...but, what I don't understand is why I'm getting that -34 > > > error with the 14.2.5 and 14.2.6 libs installed. I didn't have this > > > issue with 14.2.3 or 14.2.4. > > > > This sounds like a regression in mount.ceph, probably due to something > > that went in for v14.2.5. I can reproduce the problem on Fedora, and I > > think it has something to do with the very long username you're using. > > > > I'll take a closer look and let you know. Stay tuned. > > > > I think I see the issue. The SECRET_OPTION_BUFSIZE is just too small for > your use case. We need to make that a little larger than the largest > name= parameter can be. Prior to v14.2.5, it was ~1000 bytes, but I made > it smaller in that set thinking that was too large. Mea culpa. > > The problem is determining how big that size can be. AFAICT EntityName > is basically a std::string in the ceph code, which can be an arbitrary > size (up to 4g or so). > > Aaron, would you mind opening a bug for this at tracker.ceph.com? We > should be able to get it fixed up, once I do a bit more research to > figure out how big to make this buffer. > -- > Jeff Layton <jlay...@redhat.com> > >
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