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• Part No: 370-4419-xx
• Part Description: Disk Drive 40.0GB, Seagate ST340016A
• Part Model: ST340016A
• Part Type: Disk
• Part Vendor: Seagate

• Part No: 370-4419-xx
• Part Description: Disk Drive 40.0GB, Seagate ST340824A
• Part Model: ST340824A
• Part Type: Disk
• Part Vendor: Seagate

• Part No: 370-4419-xx
• Part Description: Disk Drive 41.1GB, IBM IC35L040AVER07
• Part Model: IC35L040AVER07
• Part Type: Disk
• Part Vendor: IBM

• Part No: 370-7631-xx
• Part Description: Disk Drive 41.1GB, IBM IC35L040AVER07

• Xoption Number: X7096A
• Xoption Description: XOPT, HDD 40GB

Seagate 40.0GB disk drives and IBM 41.1GB disk drives, used on Sun Fire V100 and Netra X1 systems, are both identified with the same Sun part number (370-4419), but are not compatible.  An issue can arise when the disk drives are used in a mirrored configuration and there is a replacement of an IBM 41.1GB drive with a Seagate 40.0GB drive.

If a mirrored 41.1G IBM drive fails on one of these platforms, you must replace it with another 41.1G IBM drive (370-7631), or an 80GB (540-6215) if a 41.1GB IBM FRU is not available.

The type of disk can be identified physically from the label on top of the disk drive.  The label identifies the manufacturer and the manufacturer's model number.

IBM part # IC35L040AVER07 with Sun 370-4419 part number label

or

IBM part # IC35L040AVER07 with Sun 370-7631 part number

Services stock was purged and the IBM drives were relabeled with the 370-7631 part number. However, IBM drives in customer systems may still carry the 370-4419 part number.

If a mirrored 41.1GB disk in a Sun Fire V100 or Netra X1 system is incorrectly replaced with a 40.0GB drive, a disk mirroring error occurs, and the mirror cannot be re-established because the replacement disk is smaller than the existing mirrored partner.

The root cause of this issue is that there are two drives with two similar, but different, capacities reporting to the same part number (370-4419).  The failing condition exists when disk mirroring is used and the drive capacities are not similar.  The technical fix was made available via ECO WO_30123 in October, 2004 releasing part number 370-7631-01, which is a 41.1GB (only) disk drive.

For customers who experience a failure on a mirrored disk in a Sun Fire V100 or Netra X1 system, follow these guidelines.

1. If the system has mirrored Seagate 40.0GB disk drives, replace the failing drive with part number 370-4419.

2. If the system has two mirrored IBM 41.1GB disk drives ONLY, replace the faulty drive with part number 370-7631.

In the event that the system has mirrored IBM 41.1GB drives and a replacement drive part number 370-7631 is not available, an alternate is to replace the faulty drive with an 80GB drive part number 540-6215.  In this case the replacement drive should be formatted to match the IBM 41.1GB - each corresponding partition on the new 80GB drive should be equal to or greater than that of it's 41.1GB mirror partner.

• ECO: WO_30123
• Manual: 816-2756-10: Sun Fire V100 Server User's Guide, 806-5980-10: Netra X1 Server User's Guide
• URL: http://download.oracle.com/docs/cd/E19683-01/
  
  Internal Contributor/submitter
  Susan.Croke@sun.com
  
  Internal Eng Business Unit Group
  KE Authors
  
  Internal Kasp FAB Legacy ID
  101859
  
  Internal Sun Alert & FAB Admin Info
  Critical Category:
  Significant Change Date:
  Avoidance: Service Procedure
  Responsible Manager: null
  Original Admin Info: null
  
  Product_uuid
  29a39cf6-0a18-11d6-9f37-85b88d95fe76|Netra X1 Server
  8b97bdee-6e34-4b8e-bcc1-5e5fb15e5a17|Sun Fire V100 Server
  
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