[geeks] ZFS questions

[Phil Stracchino]

On 3/30/21 11:53 AM, Grant Taylor wrote:
> On 3/29/21 8:50 AM, Jonathan Patschke wrote:
>> Don't do this.  You likely already have things in /export, and this
>> will mount the new pool overtop them.  In true Unix fashion, your open
>> files will continue working, but will be come immediately inaccessible.
>> If you're not logged in as root, and cannot log in as root remotely,
>> you will have a situation on your hands.
> 
> Valid concern.
> 
> Though I believe you can create the new pool with a mount point set to
> nothing.  Then new volumes therein will need to have their mount point set.
> 
> I /think/ the following would work:
> 
>     zpool create -m none export c1t1d0
> 
> Obviously RTFM to make sure I'm not causing you to delete files.


You don't NEED to specify a mount point at all.  Why are you creating a
pool with the same name as an existing filesystem?

zpool create newpool c1t1d0
zfs create newpool/export

then fiddle and rearrange to your heart's content.




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  Phil Stracchino
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