More info: The output of the "problematic" LV is:
$ lvs -o seg_size,vg_extent_size --units s --nosuffix \ > /dev/data/mail SSize Ext 4294967296 8192 And if I do not specify the LV (output of all LVs): $ lvs -o seg_size,vg_extent_size --units s --nosuffix SSize Ext 1949696 8192 3221225472 8192 2147483648 8192 4294967296 8192 4294967296 8192 1050673152 8192 52428800 8192 52428800 8192 2147483648 8192 209715200 8192 10485760 8192 62914560 8192 41943040 8192 83886080 8192 10485760 8192 62914560 8192 1048576000 8192 1048576000 8192 97648640 8192 The problem only occurs when probing our biggest LV. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1475337 Title: grub-probe can't probe large logical volumes (LVM) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1475337/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs