Exadata X3-2 Hardware
 

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In this Document

Symptoms

Changes

Cause

Solution

Created from <SR 3-7637818068>

Applies to:

Symptoms

After a Disk Change on Eighth Rack Systems we May See The Error Message "A non-system disk is a bootable device" 

This can be verified from cell Alerthistory log:

"Cell configuration check discovered the following problems:    System Disk Errors:  [WARNING] A non-system disk is a bootable device, but its boot signature is not valid. "

[WARNING] [SYSDISK] 6 Non-system disk /dev/sdg is a bootable device, but has not a valid boot signature for the first partition

Changes

A hard disk from an unused slot is replaced on the eighth rack Exadata X3-2 Hardware.

After disk replacement in slot 10 the output look like:

Slot 00 Device 05 (HITACHI HUS1560SCSUN600GA7001238K4RJ5N  ) status is: Online,
Slot 01 Device 06 (HITACHI HUS1560SCSUN600GA7001238K6YYWN  ) status is: Online,
Slot 02 Device 18 (HITACHI HUS1560SCSUN600GA7001238K7STBN  ) status is: Online,
Slot 03 Device 08 (HITACHI HUS1560SCSUN600GA7001238K7G08N  ) status is: Online,
Slot 04 Device 10 (HITACHI HUS1560SCSUN600GA7001238K7EX9N  ) status is: Online,
Slot 05 Device 09 (HITACHI HUS1560SCSUN600GA7001238K72SZN  ) status is: Unconfigured(good), 
Slot 06 Device 12 (HITACHI HUS1560SCSUN600GA7001238K7EJ3N  ) status is: Unconfigured(good),
Slot 07 Device 11 (HITACHI HUS1560SCSUN600GA7001238K6MBBN  ) status is: Unconfigured(good),
Slot 08 Device 13 (HITACHI HUS1560SCSUN600GA7001238K79XYN  ) status is: Unconfigured(good),
Slot 09 Device 14 (HITACHI HUS1560SCSUN600GA7001238K730GN  ) status is: Unconfigured(good),
Slot 10 Device 19 (HITACHI HUS1560SCSUN600GA7001305K6KEXN  ) status is: Online,   <<<<<<<<<<<<<<<<<<<<<< slot 10 is online
Slot 11 Device 16 (HITACHI HUS1560SCSUN600GA7001238K68V3N  ) status is: Unconfigured(good),

Output of megacli64-PdList_short log:

Virtual Drive: 6 (Target Id: 6)
Name                :
RAID Level          : Primary-0, Secondary-0, RAID Level Qualifier-0
Size                : 557.861 GB
Parity Size         : 0
State               : Optimal
...

...
Span: 0 - Number of PDs: 1
...

...
PD: 0 Information
Enclosure Device ID: 17
Slot Number: 10  <<<<<<<<<<<<<<<<<< slot 10
Drive's postion: DiskGroup: 6, Span: 0, Arm: 0

Cause

On the eighth rack system, the amount of disk space licensed to use is limited to half of the disk, that's why we see the disk from slot 6 to 11 in Unconfigured(good) state, which means that they are present, but not used by ASM.

Example of normal megacli64-PdList_short log:

Slot 00 Device 08 (HITACHI HUS1560SCSUN600GA7001238K7GHPN  ) status is: Online,
Slot 01 Device 09 (HITACHI HUS1560SCSUN600GA7001238K7GKUN  ) status is: Online,
Slot 02 Device 10 (HITACHI HUS1560SCSUN600GA7001238K7GKAN  ) status is: Online,
Slot 03 Device 21 (HITACHI HUS1560SCSUN600GA7001305K5RRGN  ) status is: Online,
Slot 04 Device 12 (HITACHI HUS1560SCSUN600GA7001238K7GL7N  ) status is: Online,
Slot 05 Device 13 (HITACHI HUS1560SCSUN600GA7001238K7GHGN  ) status is: Online,
Slot 06 Device 14 (HITACHI HUS1560SCSUN600GA7001238K6ZU2N  ) status is: Unconfigured(good),
Slot 07 Device 15 (HITACHI HUS1560SCSUN600GA7001238K7GLBN  ) status is: Unconfigured(good),
Slot 08 Device 16 (HITACHI HUS1560SCSUN600GA7001238K7GJZN  ) status is: Unconfigured(good),
Slot 09 Device 17 (HITACHI HUS1560SCSUN600GA7001238K7GKKN  ) status is: Unconfigured(good),
Slot 10 Device 18 (HITACHI HUS1560SCSUN600GA7001238K7GEJN  ) status is: Unconfigured(good),
Slot 11 Device 19 (HITACHI HUS1560SCSUN600GA7001238K7GJHN  ) status is: Unconfigured(good),

Solution

Remove the logical drive using:

Example: If Logical drive 6 was created use the following command:

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