Mar 27 23:11:44 reidb2 kernel: Buffer I/O error on device dm-17, logical block 19533315

[valpor]

Hi.
We have a messages like:
Mar 27 23:11:44 reidb2 kernel: Buffer I/O error on device dm-17, logical block 19533315
....
ar 27 23:11:44 reidb2 kernel: (23370,0):o2hb_bio_end_io:331 ERROR: IO Error -5
Mar 27 23:11:44 reidb2 kernel: (23370,0):o2hb_do_disk_heartbeat:973 ERROR: status = -5
Mar 27 23:11:44 reidb2 kernel: (23370,0):o2hb_bio_end_io:331 ERROR: IO Error -5
Mar 27 23:11:44 reidb2 kernel: (23370,0):o2hb_do_disk_heartbeat:973 ERROR: status = -5
Mar 27 23:11:44 reidb2 logger: Oracle CSSD failure 134.

and later the machine is going down (he have a linux cluster).
Could you help us?

[Tim Nelson]

First thought is you lost connectivity to your quorum disk /dev/dm-17

if this is intermittant then perhaps the IO is so high that it is timing out ?

Just the first thoughts...