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Asset ID: 1-73-1000020.1
Update Date:2010-09-02
Keywords:

Solution Type  FAB (standard) Sure

Solution  1000020.1 :   RAID 1 hard drive replacement incompatibility issue on Sun V20z/V40z.  


Related Items
  • Sun Fire V20z Server
  •  
  • Sun Fire V40z Server
  •  
Related Categories
  • GCS>Sun Microsystems>Sun FAB>Hardware Remediation>Reactive
  •  

PreviouslyPublishedAs
200023


Product
Sun Fire V20z Server
Sun Fire V40z Server

Bug Id
<SUNBUG: 6225636>
<SUNBUG: 6333382>

Part
  • Part No: F371-0292-01
  • Part Description: Fujitsu 73 GB CRU.HDD,SCSI,10K
  • Part Type: Disk

Impact

THIS POLICY IS FOR RAID 1 CRU ONLY.

If a RAID 1 system has Fujitsu drives for both the primary and secondary drives and receives a Seagate drive as a FRU, then the mirror cannot be recreated because the Seagate drive is slightly smaller than the Fujitsu. The issue is that both, SEA and FUJ disks have the same X Option (X9256A) that is used when ordering these peripherals.

The V20z and V40z OEM uses "generic industry" FW for their hard drives that create different volume capacities which will impact rebuilding RAID 1 array.

The following paragraph summarize the policy:

Replace a RAID 1 hard drive when:

  • The hard drive fails during operations due to unrecoverable data errors
  • For systems with Drive Failure Warning, the hard drive is due for replacement

 


Root Cause

Disk mirroring can not be recreated when the replacement drive is smaller than the drive that was replaced. Mirroring function seizes. Smaller capacity drives do not have the data capacity of the larger hard drive.


Workaround

All RAID 1 mirroring broken 73GB hard drives should be replaced with PN: F371-0292-xx CRUs.


Resolution

The correction was made as follows:

  • Reference: ECO W0_32203
  • Part number creation: F371-0292-xx CRU,ASSY, FUJ, 73GB

Modification History
Date: 12-JUL-2006
  • Updated implementation type to reactive

 



Previously Published As
102207
Internal Comments


None


Related Information
  • ECO: W0_32203

Internal Contributor/submitter
raymond.sasaki@sun.com

Internal Eng Business Unit Group
KE Authors

Internal Eng Responsible Engineer
Sej.lim@sun.com

Internal Services Knowledge Engineer
sean.hassall@sun.com

Internal Escalation ID
1-9464506

Internal Kasp FAB Legacy ID
102207

Internal Sun Alert & FAB Admin Info
Critical Category:
Significant Change Date:
Avoidance: Workaround
Responsible Manager: null
Original Admin Info: null

Product_uuid
1acc55b3-4b82-11d8-99fc-080020a9ed93|Sun Fire V20z Server
4726b78d-56d2-11d8-9e3a-080020a9ed93|Sun Fire V40z Server

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