Bind on cifs filesystem overmounts when using `mount -a`

dahe

12/23/23, 10:59 AM

I am using following cifs mount and bind:

//myfiler.example.com/share     /mnt/mount-path  cifs  vers=3.0,credentials=/root/.cred,gid=0,uid=0      0       0
/mnt/mount-path/folder-in-share /mnt/archiv      bind  defaults,bind                                     0       0

When using mount -a multiple times the first time everything gets mounted, the second time the mount path /mnt/archive is overmounted, the third time it's overmounted again, etc.

Resulting in a mtab like (for the bind):

//myfiler.example.com/share /mnt/archiv cifs rw,relatime,vers=3.0,cache=strict,username=example_user,uid=0,noforceuid,gid=0,noforcegid,addr=x.y.z.a,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,rsize=4194304,wsize=4194304,bsize=1048576,echo_interval=60,actimeo=1 0 0
//myfiler.example.com/share /mnt/archiv cifs rw,relatime,vers=3.0,cache=strict,username=example_user,uid=0,noforceuid,gid=0,noforcegid,addr=x.y.z.a,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,rsize=4194304,wsize=4194304,bsize=1048576,echo_interval=60,actimeo=1 0 0

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EN: Bind on cifs filesystem overmounts when using `mount -a`

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