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Asset ID: 1-72-1009473.1
Update Date:2011-01-14
Keywords:

Solution Type  Problem Resolution Sure

Solution  1009473.1 :   Sun StorageTek [TM] 5000 Series NAS array LUN indicates "no partition table"  


Related Items
  • Sun Storage 5210 NAS Appliance
  •  
  • Sun Storage 5220 NAS Appliance
  •  
  • Sun Storage 5310 NAS Appliance
  •  
  • Sun Storage 5320 NAS Gateway/Cluster System
  •  
  • Sun Storage 5320 NAS Appliance
  •  
  • Sun Storage 5310 NAS Gateway System
  •  
Related Categories
  • GCS>Sun Microsystems>Storage - Disk>Network Attached Storage
  •  

PreviouslyPublishedAs
213084


Symptoms
Occasionally, a LUN created on the Sun StorEdge [TM] 5210/5310 NAS array indicates "no partition table". This can be seen via the telnet menu interface or the Web Admin GUI.
example:
SE5310a                StorEdge 5310 NAS Disks & Volumes
  Drive       Volume(s)                                     Available
A. ide1d1      /cvol /dvol                                        0B
B. isp2d020    /home                                         398.6GB
C. isp4d001    /vol1                                         407.7GB
D. isp2d022    -- no partition table

Any attempts to configure this LUN by initializing it could be met with a failure, indicated by a message, "Invalid/Missing partition".

the problem can also be seen while trying to configure LUN paths using the telnet menu interface or the Web Admin GUI.

SE5310a                StorEdge 5310 NAS Configure Lun Path
Lun (Dasd_id 0xA00)                                     Primary Path Index
isp2d022  -- no partition table                                  1
Paths:
1. isp2d022  HBA 0x2, SID0x2, Lun 0x2  Up

All LEDs, front and back on the array could be green and there could be no indication of any errors on the NAS Recovery Manager(NRM) using the "Recovery Guru" functionality.



Resolution
Reboot the NAS head.
Once it has rebooted, perform the following actions.
1. If this is a cluster, then check the lun ownerships.
Make sure that the lun has been given an ownership.

In the telnet menu,
Under the menu "extensions" locate the option for FAILOVER/MOVE LUNS and
select it. (the corresponding letter changes depending on which features are enabled)

A similar screen will be seen:

SE5310-NASb StorageTek 5310C NAS Failover / move LUNs

      Failover Enabled Yes
Link Failover Enabled Yes
Link Down Timeout     60
Link Restore Timeout  60
   1) Current Raid Configuration
Adapter LUNS_Owned
isp2d021
   2) (NEW) Restore Raid Configuration
Adapter LUNS_Owned
isp2d021
      ENTER to move through fields    Save changes after last field
+------------------------------------------------------------------------+
|                                                                        |
|    1. Restore  2. Modify Lun Owner  3. Edit Failover  0. Cancel        |
|                                                                        |
+------------------------------------------------------------------------+ 

Make sure that the lun has been assigned an owner.

2. If that is indeed the case or if this is not a cluster, then using the following action, initialize the partition.

     D. Disks & Volumes
----> Enter the alphabet of the LUN to be configured.
-----> Enter "1" to initialize the LUN.
     Lun is initialized successfully.

Through the telnet menu, the LUN is seen as follows:

SE5310a                 StorEdge 5310 NAS Configure Disk
Disk isp2d022    Size MB 278993    SUN     CSM100_R_FC
# START SEC  SIZE SEC  TYPE   C OWNER       USE%    FREE  SIZE     REQS ACTIVE
1          2 571379545 --      571379545 sectors (272.4GB) free
2  571379547         0 --
3  571379547         0 --
4  571379547         0 --
5  571379547         0 --
6  571379547         0 --
7  571379547         0 --
8  571379547         0 --

Through the Web Admin GUI, the LUN is seen to be "clean".

     LUN paths can also be configured successfully.


Product
Sun StorageTek 5310 NAS Gateway/Cluster System
Sun StorageTek 5310 NAS Gateway System
Sun StorageTek 5310 NAS Appliance
Sun StorageTek 5210 NAS Appliance
Sun StorageTek 5320 NAS Gateway/Cluster System
Sun StorageTek 5320 NAS Appliance
Sun StorageTek 5220 NAS Appliance

Internal Comments
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"no partition table", lun, lun paths, 5210, 5310, 5320, 532C, 5310C, 5220, lun ownership, scan, audited
Previously Published As
85301

Change History
Date: 2007-10-02
User Name: 7058
Action: Approved
Comment: OK to publish
Version: 6
Date: 2007-10-01
User Name: 7058
Action: Accept
Comment:
Version: 0
Date: 2007-10-01
User Name: 160775
Action: Approved
Comment: Reviewed for technical accuracy, please perform final review.
Version: 0

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