Thermal Issues, Current Cache Policy Writethrough Battery Issues on Exadata (Doc ID 1300423.1)

Last updated on JULY 18, 2011

Applies to:

Exadata Database Machine X2-2 Qtr Rack - Version: Not Applicable and later   [Release: N/A and later ]
Information in this document applies to any platform.

Symptoms

In /var/log/messages you see:

Jan 21 14:45:41 exapdb01 kernel: CPU8: Temperature above threshold, cpu clock throttled
Jan 21 14:45:41 exapdb01 kernel: CPU0: Temperature above threshold, cpu clock throttled
Jan 21 14:45:41 exapdb01 kernel: CPU11: Temperature/speed normal

Or

From /opt/MegaRAID/MegaCli/MegaCli64 -LDInfo -Lall -a0

Adapter 0 -- Virtual Drive Information:
Virtual Disk: 0 (Target Id: 0)
Name:
RAID Level: Primary-5, Secondary-0, RAID Level Qualifier-3
Size:271.945 GB
State: Optimal
Stripe Size: 1.0 MB
Number Of Drives:3
Span Depth:1
Default Cache Policy: WriteBack, ReadAheadNone, Direct, No Write Cache if Bad BBU
Current Cache Policy: WriteThrough, ReadAheadNone, Direct, No Write Cache if Bad BBU
Access Policy: Read/Write
Disk Cache Policy: Disabled
Encryption Type: None
Number of Dedicated Hot Spares: 1
0 : EnclId - 252 SlotId - 3

Exit Code: 0x00

Cause

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