sysadmin, another one of my thankless jobs

[geddcoon]

One of the physical disks in a logical volume "forgot" its UUID at some point today. The thing has been running great for 4 months and now I get some weird error. No clue as to why except that I'm nearly 100% sure that it's not a "bad disk" or other hardware error since the underlying physical disks are actually virtual disk images and the

Comments

[wyldside]

What base is this system using? Linux, freebsd, windows, unix?

[geddcoon]

CentOS guest on XenServer host.

[wyldside]

late reply but i'd guess the xenserver updated and regenerated the uuid

[geddcoon]

From what I understand, the UUID is a data structure that is written by the LVM under Linux. There's no reason for the underlying XenServer to touch it or even know about it.

[clipfox]

I think it's possible Aibo updated and regenerated the MID.