Sun StorEdge[TM] 3310/3320/3510/3511: Duplicate disk entries from show disks output

Asset ID:	1-72-1002296.1
Update Date:	2009-02-05
Keywords:

Solution Type Problem Resolution Sure

Solution 1002296.1 : Sun StorEdge[TM] 3310/3320/3510/3511: Duplicate disk entries from show disks output

Related Items


Sun Storage 3510 FC Array
 Sun Storage 3310 Array
 Sun Storage 3511 SATA Array
 Sun Storage 3320 SCSI Array

Related Categories


GCS>Sun Microsystems>Storage - Disk>Modular Disk - 3xxx Arrays

PreviouslyPublishedAs
203223

Symptoms
On Sun StorEdge[TM] 3310, 3320, 3510 and 3511, sometimes show disk shows duplicate IDs for some disks as follows:

sccli> show disks
Ch  Id      Size   Speed  LD     Status   IDs                      Rev
------------------------------------------------------------------------
2   0   68.37GB   200MB  ld0    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1EN0M00007347
2   1   68.37GB   200MB  ld3    ONLINE   FUJITSU MAP3735F SUN72G  1501
S/N 000449Q0HGNS
2   2   68.37GB   200MB  ld1    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1F3A800007348
2   3   68.37GB   200MB  ld1    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1D8Z800007348
2   4   68.37GB   200MB  ld2    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1E5K500007348
2   5   68.37GB   200MB  ld2    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1E1MN00007348
2   6   68.37GB   200MB  ld3    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1ED0G00007347
2   7   68.37GB   200MB  ld3    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1EVMQ00007347
2   8   68.37GB   200MB  ld0    ONLINE   FUJITSU MAP3735F SUN72G  1501
S/N 000449Q0HCKA
2   9   68.37GB   200MB  ld3    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1DYMF00007347
2  10   68.37GB   200MB  ld3    ONLINE   SEAGATE ST373307FSUN72G  0207
S/N 3HZ1EN3900007347
2  11   68.37GB   200MB  GLOBAL STAND-BY FUJITSU MAP3735F SUN72G  1701
S/N 000449Q0HGEC
3  11   68.37GB   200MB  NONE   USED     FUJITSU MAP3735F SUN72G  1701
S/N 000449Q0HGEC

Here, drive ID 11 hass shown up twice and also the status of the drives shows up differently.

Resolution
This problem can arise during disk replacement when both the drive channels (2 and 3) see the drive differently. Ideally, only one channel should be seen reporting all the drives.

When this problem happens, first check the status of the drives by connecting to the array using telnet or serial port and then selecting view and edit scsi Drives from the main menu.

Check the status of the drive in question if it also shows up twice. If this is the case, then the only way to rectify this and have all the drives show up correctly on one channel is to reset the array. Use the sccli command that will ensure that the cache is flushed to the disks before actually resetting the array.

If telnet/serial access mode is used, it is advisable to first shutdown the controller and then reset the array to get the cache flushed to the disks to prevent any data integrity issues.

Product
Sun StorageTek 3511 SATA Array
Sun StorageTek 3510 FC Array
Sun StorageTek 3320 SCSI Array
Sun StorageTek 3310 SCSI Array

3310, 3320, 3510, 3511, show-disk, duplicate
Previously Published As
83675

Change History
Date: 2006-02-02
User Name: 97961
Action: Approved
Comment: - Changed title to comply to the standard format
- Converted to STM formatting for better readability
- Made simple sentence/grammatical corrections
Version: 3
Date: 2006-02-02
User Name: 97961
Action: Accept
Comment:
Version: 0

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