[Samba] SAMBA with mounted ISO images

[Jon Monroe]

Hey all,

I'm using Samba to share *mounted* ISO images w/ windows workstations. In other words, I create a share w/ default write access. Then, I create a several folders. Some are for files, while others are read-only and used for mount points for iso9660 ISO image files (so the user sees the contents of the iso files, not the file itself).

I can mount and share the ISO file contents fine. But I can't umount the image (to say, switch to a newer version of the same named ISO file). Even though nobody is using the server (windows stations switched OFF), Samba seems to maintain a lock on the shared ISO mount point (the folder) and won't let the resource be released

If I do a force umount (-f) it doesn't help
If I do a lazy umount (-l), it does work, but it doesn't release the loop device.
If I do a losetup -d /dev/<loop_device> it can't release it.

But, if I shutdown Samba, it unmounts/releases fine.

So, is there something I can configure or compile into Samba that will cause it to not-lock/cache mounted folders so that one can umount the ISO? I tried disabling all the known cache settings in the smb.conf -- didn't help.

Thanks a bunch!

Jon
Jon Monroe
Systems Administrator
ImageBuilder Software
(503) 684-5151
(503) 639-6334 FAX

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