On 05/04/2016 12:43 AM, Eric Ren wrote: > Hello, > > As email subject tell, I encountered this weird problem. I got this from > customer: > > # /sbin/mounted.ocfs2 -d > Device Stack Cluster UUID > /dev/sdb pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > /dev/sdal pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > /dev/sdau pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > /dev/sdbd pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > /dev/sdbv pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > /dev/sdce pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > /dev/sdcw pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > /dev/sdcn pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > /dev/mapper/3600507640081010d5000000000000082 pcmk pacemaker > 032F55597DEA4A61AB065568F964174D > > I'm surprised several different ocfs2 volumes have the same UUID, and > DLM use disk UUID as lockspace's name which means they share same lockspace! > > Did you ever see this? Is it possible for different volumes share same > lockspace? why? >
Two possiblities: 1. Multipathing 2. User replicated the disk image. Otherwise no. Not possible (in the limits of pseudo-randomizations) -- Goldwyn _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com https://oss.oracle.com/mailman/listinfo/ocfs2-users
