OVM: Error In /var/log/messages: Buffer I/O Error On Dev DM-<N>, Logical Block <N>, Async Page Read
(Doc ID 2364321.1)
Last updated on AUGUST 20, 2018
Applies to:Oracle VM - Version 3.4.2 and later
Information in this document applies to any platform.
Buffer I/O error entry in /var/log/messages system log file of dom0 server:
The device name, here dm=36, and the block numbers need not match this example exactly.
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