[linux-lvm] Error on RegEx with lv_tags-fields

[Peter Rajnoha]

On 07/09/2018 11:11 AM, Oliver Rath wrote:
> Hi list,
> 
> Im trying to sort some output with lvs using a regex "=~", which results
> in an error:
> 
> # lvs -o lv_name,lv_tags -S 'lv_tags=~mac1'
>   dm_report: incompatible comparison type for selection field lv_tags
> 
> Otherwise, using the =~ operator on lv_names works well:
> 
> # lvs -o lv_name -S 'lv_name=~z'
>   LV 
>   z1 
>   z2 
>   z3 
> 
> If I see right, I can use the selection type "string list" here, but no
> regex. Is this right? Is there a way to use regex on tags?
> 

This is not supported yet... but I think we should be able to extend the
functionality here. You can file an upstream report for that if you want
(https://bugzilla.redhat.com/enter_bug.cgi?product=LVM%20and%20device-mapper)
and if there's time/resources, we may add that functionality.

> TfH!
> 
> Oliver
> 
> 
> 
> 
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> 


-- 
Peter