Exachk fails due to incorrect flashcache size after upgrading from 1/8 to a 1/4 rack
(Doc ID 2048491.1)
Last updated on APRIL 09, 2020
Applies to:
Oracle Exadata Storage Server Software - Version 11.2.3.3.0 and laterInformation in this document applies to any platform.
Applies to X3-2 & X3-8 systems
Symptoms
After upgrading an 1/8 rack to a 1/4 rack, Exachk fails due to incorrect flashcache size.
Either of the 2 cases below could happen dependent on the Flash Cache configuration:
Case 1: Incorrect Flash Cache Size with Smart Flash Log enabled:
Exachk detects incorrect size: 1488.25G
Should be size: 1488.75G
Case 2: Incorrect Flash Cache Size with flashCacheCompression and Smart Flash Log enabled:
Exachk detects incorrect size: 2978.25G
Should be size: 2978.75G
Changes
X3-2 or X3-8 who upgraded from 1/8 to a 1/4 rack
Cause
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In this Document
| Symptoms |
| Case 1: Incorrect Flash Cache Size with Smart Flash Log enabled: |
| Case 2: Incorrect Flash Cache Size with flashCacheCompression and Smart Flash Log enabled: |
| Changes |
| Cause |
| Solution |
| Case 1: flashcache size was 1488.25G but expected size on a quarter-rack is 1488.75G & "Write back flash cache" IS NOT IN USE: |
| Case 2: flashcache size was 2978.25G but expected size on a quarter-rack is 2978.75G & "Write back flash cache" IS IN USE: |