Quote Originally Posted by thsundel View Post
Looks somewhat similar to this: https://www.novell.com/support/kb/doc.php?id=7015462 take a look and see if multipath is enabled and if so try disable it.

Hi, Thomas
My SLES12 is an instance on cloud with attached with only 1 volume so there is nothing to do with MPIO or multipath. Do you any more ideas?
Btw, @smflood what do you think?