[OpenIndiana-discuss] surprising behaviour of mount

[Jim Klimov]

On February 8, 2018 3:30:13 PM UTC, Marc Lobelle <marc.lobelle at uclouvain.be> wrote:
>Hello All,
>
>Today I had a very curious message when trying to mount a file system
>on 
>a non-empy directory
>
>cannot mount '/export/home/ml/mydirname': directory is not empty
>
>Afaik, mounting on a non empty directory has always been allowed: the 
>original contents is just temporarily hidden.
>
>mounting was done automatically as a byproduct of
>
>zpool import -d /dev/lofi szpool
>
>szpool had been created by
>
>zpool create -m /export/home/ml/mydirname szpool /dev/lofi/1
>
>Is there a good reason to prohibit mounting on a non-empty directory in
>
>this case ? Is there a way to avoid this constraint ?
>
>Thanks
>
>
>Marc
>
>
>
>
>
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Clarifying bits WRT my earlier detailed reply:

>Afaik, mounting on a non empty directory has always been allowed: the original contents is just temporarily hidden.

Yes for 'mount', no for 'zfs mount'

> mounting was done automatically as a byproduct of
> zpool import -d /dev/lofi szpool

This implies a 'zfs mount', so...

Jim
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