Exadata Storage/Cell Node Hung and Rebooted Due to Temporary IO Stall Caused by Drive Medium Errors
(Doc ID 1390664.1)
Last updated on OCTOBER 03, 2018
Applies to:Exadata Database Machine V2 - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.
***Checked for relevance on 15-Oct-2103***
Exadata Storage/Cell Node has been completely hung/frozen due to temporary I/O stall caused by drive medium errors and system gets rebooted (forced power cycle).
Command "cellcli -e list alerthistory" lists following alert:
"ipmitool sel list" contains following event (with message "OEM record c0") at the time of failure:
215 | 12/29/2011 | 01:42:11 | System Boot Initiated | System Restart | Asserted
File "$CELLTRACE/ms-odl.trc" shows following error (with time stamp of after cell node reboot):
[2011-12-29T09:50:04.549-02:00] [ossmgmt] [NOTIFICATION]  [ms.hwadapter.MSHardwareImpl] [tid: 15] [ecid: 22.214.171.124:90252:1325159256252:5,0] IO hang detected on CD_09_cell06. Power cycle forced. Detail: 43 0 - 97 cd - 9c 99 - 98 65
[2011-12-29T09:50:04.550-02:00] [ossmgmt] [NOTIFICATION]  [ms.core.MSAlertHistory] [tid: 15] [ecid: 126.96.36.199:90252:1325159256252:5,0] AlertHistory 63 created. Severity: info. Message: IO hang detected on CD_09_dm02cel13. Power cycle forced.
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