(for archival purposes) On Thu, Mar 2, 2023 at 6:04 PM Milind Changire <mchangir@xxxxxxxxxx> wrote: > The docs for the ceph kernel module will be updated appropriately in the > kernel documentation. > Thanks for pointing out your pain point. > > -- > Milind > > > On Thu, Mar 2, 2023 at 1:41 PM Shawn Weeks <sweeks@xxxxxxxxxxxxxxxxxx> > wrote: > >> I’m already able to mount ceph without a helper using the built in ceph >> kernel module support. My issue is that the documentation mixes what >> parameters the module itself supports and what requires the helper. >> Everything I’ve discovered so far is from reading the source code and >> piecing things together from stack overflow and ceph forum posts. I was >> hoping there was a better answer and I was just missing a different set of >> documentation. >> >> Sent from my iPhone >> >> On Mar 2, 2023, at 1:48 AM, Milind Changire <mchangir@xxxxxxxxxx> wrote: >> >> >> I think the mount(8) man page section titled "EXTERNAL HELPERS" states it >> clearly: >> ----- >> EXTERNAL HELPERS >> The syntax of external mount helpers is: >> >> /sbin/mount.suffix spec dir [-sfnv] [-N namespace] [-o options] >> [-t type.subtype] >> >> where the suffix is the filesystem type and the -sfnvoN options >> have the same meaning >> as the normal mount options. The -t option is used for filesystems >> with subtypes support (for >> example /sbin/mount.fuse -t fuse.sshfs). >> >> The command mount does not pass the mount options unbindable, >> runbindable, private, rprivate, >> slave, rslave, shared, rshared, auto, noauto, comment, x-*, loop, >> offset and sizelimit to >> the mount.<suffix> helpers. All other options are used in a >> comma-separated list as an argument >> to the -o option. >> ----- >> >> So, if there are mount options other than the basic ones processed by the >> main mount program, they are passed to the mount helper presuming they are >> of interest to the mount helper. Since the main mount program will be >> unable to make sense of ceph mount options like "secret", "secretfile", >> "mon_addr", "conf", "name", "ms_mode", "fs", "nofallback", etc., a mount >> helper will be required to mount a ceph file system. >> >> ----- >> 1. What other filesystem types does your Linux Distro mount currently ? >> 2. What other filesystems of your interest can your Linux Distro (Rocky >> 8/9) mount without a mount helper ? >> >> >> >> On Thu, Mar 2, 2023 at 11:53 AM Shawn Weeks <sweeks@xxxxxxxxxxxxxxxxxx> >> wrote: >> >>> Rock 8 and 9 don’t have the helper available in their repos and I have >>> to work with what they include. >>> >>> Thanks >>> Shawn >>> >>> Sent from my iPhone >>> >>> On Mar 1, 2023, at 11:41 PM, Milind Changire <mchangir@xxxxxxxxxx> >>> wrote: >>> >>> >>> Why is it critical to mount the ceph filesystem without the ceph mount >>> helper ? >>> >>> >>> On Thu, Mar 2, 2023 at 8:42 AM Shawn Weeks <sweeks@xxxxxxxxxxxxxxxxxx> >>> wrote: >>> >>>> That’s the documentation that assumes you’re going to have the helper. >>>> It lists things like “secretfile” and “fs” that doesn’t work without the >>>> helper. I’ve gone back several versions of that page and none of them spell >>>> out what requires the helper and what’s supported native on the kernel. >>>> >>>> Thanks >>>> Shawn >>>> >>>> Sent from my iPhone >>>> >>>> On Mar 1, 2023, at 8:53 PM, Milind Changire <mchangir@xxxxxxxxxx> >>>> wrote: >>>> >>>> >>>> Check if this doc helps: >>>> https://docs.ceph.com/en/quincy/cephfs/mount-using-kernel-driver/ >>>> >>>> >>>> On Tue, Feb 28, 2023 at 11:09 PM Shawn Weeks <sweeks@xxxxxxxxxxxxxxxxxx> >>>> wrote: >>>> >>>>> Even the documentation at >>>>> https://www.kernel.org/doc/html/v5.14/filesystems/ceph.html#mount-options >>>>> is incomplete and doesn’t list options like “secret” and “mds_namespace” >>>>> >>>>> Thanks >>>>> Shawn >>>>> >>>>> > On Feb 28, 2023, at 11:03 AM, Shawn Weeks <sweeks@xxxxxxxxxxxxxxxxxx> >>>>> wrote: >>>>> > >>>>> > I’m trying to find documentation for which mount options are >>>>> supported directly by the kernel module. For example in the kernel module >>>>> included in Rocky Linux 8 and 9 the secretfile option isn’t supported even >>>>> though the documentation seems to imply it is. It seems like the >>>>> documentation assumes you’ll always be using the mount.ceph helper and I’m >>>>> trying to find out what options are supported if you don’t have mount.ceph >>>>> helper. >>>>> > >>>>> > Thanks >>>>> > Shawn >>>>> > _______________________________________________ >>>>> > ceph-users mailing list -- ceph-users@xxxxxxx >>>>> > To unsubscribe send an email to ceph-users-leave@xxxxxxx >>>>> >>>>> _______________________________________________ >>>>> ceph-users mailing list -- ceph-users@xxxxxxx >>>>> To unsubscribe send an email to ceph-users-leave@xxxxxxx >>>>> >>>> >>>> >>>> -- >>>> Milind >>>> >>>> >>> >>> -- >>> Milind >>> >>> >> >> -- >> Milind >> >> > > -- > Milind > > -- Milind _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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