Re: client with uid

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Hi Patrick,

Thanks for the info. Looking at the fuse options in the man page, I should be able to pass "-o uid=$(id -u)" at the end of the ceph-fuse command.  However, when I do, it returns with an unknown option for fuse and segfaults. Any pointers would be greatly appreciated. This is the result I get:

daemoneye@wolterk:~$ ceph-fuse --id=kwolter_test1 -r /user/kwolter/ /home/daemoneye/ceph/ --client-die-on-failed-remount=false -o uid=$(id -u)
ceph-fuse[25156]: starting ceph client
fuse: unknown option `uid=1000'
ceph-fuse[25156]: fuse failed to start
*** Caught signal (Segmentation fault) **
 in thread 7efc7da86100 thread_name:ceph-fuse
 ceph version 12.2.2 (cf0baeeeeba3b47f9427c6c97e2144b094b7e5ba) luminous (stable)
 1: (()+0x6a8784) [0x5583372d8784]
 2: (()+0x12180) [0x7efc7bb4f180]
 3: (Client::_ll_drop_pins()+0x67) [0x558336e5dea7]
 4: (Client::unmount()+0x943) [0x558336e67323]
 5: (main()+0x7ed) [0x558336e02b0d]
 6: (__libc_start_main()+0xea) [0x7efc7a892f2a]
 7: (_start()+0x2a) [0x558336e0b73a]
ceph-fuse [25154]: (33) Numerical argument out of domain
daemoneye@wolterk:~$

Thanks,
Keane

On Thu, Jan 25, 2018 at 5:50 PM, Patrick Donnelly <pdonnell@xxxxxxxxxx> wrote:
On Wed, Jan 24, 2018 at 7:47 AM, Keane Wolter <wolterk@xxxxxxxxx> wrote:
> Hello all,
>
> I was looking at the Client Config Reference page
> (http://docs.ceph.com/docs/master/cephfs/client-config-ref/) and there was
> mention of a flag --client_with_uid. The way I read it is that you can
> specify the UID of a user on a cephfs and the user mounting the filesystem
> will act as the same UID. I am using the flags --client_mount_uid and
> --client_mount_gid set equal to my UID and GID values on the cephfs when
> running ceph-fuse. Is this the correct action for the flags or am I
> misunderstanding the flags?

These options are no longer used (with the exception of some bugs
[1,2]). The uid/gid should be provided by FUSE so you don't need to do
anything. If you're using the client library, you provide the uid/gid
via the UserPerm struct to each operation.

[1] http://tracker.ceph.com/issues/22802
[2] http://tracker.ceph.com/issues/22801


--
Patrick Donnelly

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