[linux-lvm] logical "and" connection of lvm-tags?

Oliver Rath rath at mglug.de
Sun Aug 13 07:44:28 UTC 2017


Hi list,

Im playing around with lvm-Tags and would find it quite useful for
sorting lvms.

Now I tried the following

root at w541:~# lvchange --addtag @foo levg/t1
  Logical volume levg/t1 changed.
root at w541:~# lvchange --addtag @foo levg/t3
  Logical volume levg/t3 changed.
root at w541:~# lvchange --addtag @bar levg/t2
  Logical volume levg/t2 changed.
root at w541:~# lvchange --addtag @bar levg/t3
  Logical volume levg/t3 changed.
root at w541:~# lvs -o lv_name @foo
  LV 
  t1 
  t3 
root at w541:~# lvs -o lv_name @bar
  LV 
  t2 
  t3 
root at w541:~# lvs -o lv_name @foo @bar
  LV 
  t1 
  t2 
  t3 
root at w541:~# lvs -o lv_name @foo \& @bar
  LV 
  t1 
  t2 
  t3 
root at w541:~# lvs -o lv_name @foo and @bar
  LV 
  t1 
  t2 
  t3 

You see, i want to list all lvms which have @foo *and* @bar tags
included. Is this possible? I didnt found anything about combining in
the man pages.

Tfh!

Oliver





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