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Unable to Access All Disks in a DE3-24 JBOD Attached to a S7-2 MiniCluster (Doc ID 2328208.1)

Last updated on SEPTEMBER 25, 2019

Applies to:

MiniCluster S7-2 Hardware - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

This was a new install with two servers in the minicluster configuration sharing the same DE3-24C JBOD.

One of the servers was able to access all the disks in the JBOD, the second head was only able to access a subset of the disks .

 

When the server boots we see:

 

When format was run on the problem Server we see the problem drives as unavailable :

# format
Searching for disks...done

AVAILABLE DISK SELECTIONS:
      0. c0t<WWN1>d0 <HGST-H101812SFSUN1.2T-A990-1.09TB>
         /scsi_vhci/disk@g<WWN1>
         /dev/chassis/SYS/HDD0/disk
      1. c0t<WWN2>d0 <HGST-H101812SFSUN1.2T-A990-1.09TB>
         /scsi_vhci/disk@g<WWN2>
         /dev/chassis/SYS/HDD1/disk
      2. c0t<WWN3>d0 <HGST-H101812SFSUN1.2T-A990-1.09TB>
         /scsi_vhci/disk@g<WWN3>
         /dev/chassis/SYS/HDD2/disk
      3. c0t<WWN4>d0 <HGST-H101812SFSUN1.2T-A990-1.09TB>
         /scsi_vhci/disk@g<WWN4>
         /dev/chassis/SYS/HDD3/disk
      4. c0t<WWN5>d0 <HGST-H101812SFSUN1.2T-A990-1.09TB>
         /scsi_vhci/disk@g<WWN5>
         /dev/chassis/SYS/HDD4/disk
      5. c0t<WWN6>d0 <HGST-H101812SFSUN1.2T-A990-1.09TB>
         /scsi_vhci/disk@g<WWN6>
         /dev/chassis/SYS/HDD5/disk
      6. c1t0d0 <MICRON-eUSB DISK-1112 cyl 246 alt 0 hd 255 sec 63>
         /pci@300/pci@1/pci@0/pci@2/usb@0/storage@1/disk@0,0
         /dev/chassis/SYS/MB/EUSB_DISK/disk
      7. c0t<WWN7>d0 <HGST-H7280A520SUN8.0T-P9E2-7.15TB>  JB1HDD1
         /scsi_vhci/disk@g<WWN7>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD0/disk
      8. c0t<WWN8>d0 <HGST-H7280A520SUN8.0T-P9E2-7.15TB>  JB1HDD2
         /scsi_vhci/disk@g<WWN8>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD1/disk
      9. c0t<WWN9>d0 <HGST-H7280A520SUN8.0T-P9E2-7.15TB>  JB1HDD3
         /scsi_vhci/disk@g<WWN9>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD2/disk
     10. c0t<WWN10>d0 <HGST-H7280A520SUN8.0T-P9E2-7.15TB>  JB1HDD4
         /scsi_vhci/disk@g<WWN10>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD3/disk
     11. c0t<WWN11>d0 <HGST-H7280A520SUN8.0T-P9E2-7.15TB>  JB1HDD5
         /scsi_vhci/disk@g<WWN11>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD4/disk
     12. c0t<WWN12>d0 <HGST-H7280A520SUN8.0T-P9E2-7.15TB>  JB1HDD6
         /scsi_vhci/disk@g<WWN12>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD5/disk
     13. c0t<WWN13>d0 <drive not available>
         /scsi_vhci/disk@g<WWN13>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD6/disk
     14. c0t<WWN14>d0 <drive not available>
         /scsi_vhci/disk@g<WWN14>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD7/disk
     15. c0t<WWN15>d0 <drive not available>
         /scsi_vhci/disk@g<WWN15>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD8/disk
     16. c0t<WWN16>d0 <drive not available>
         /scsi_vhci/disk@g<WWN16>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD9/disk
     17. c0t<WWN17>d0 <drive not available>
         /scsi_vhci/disk@g<WWN17>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD10/disk
     18. c0t<WWN18>d0 <drive not available>
         /scsi_vhci/disk@g<WWN18>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD11/disk
     19. c0t<WWN19>d0 <drive not available>
         /scsi_vhci/disk@g<WWN19>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD12/disk
     20. c0t<WWN20>d0 <drive not available>
         /scsi_vhci/disk@g<WWN20>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD13/disk
     21. c0t<WWN21>d0 <drive not available>
         /scsi_vhci/disk@g<WWN21>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD14/disk
     22. c0t<WWN22>d0 <drive not available>
         /scsi_vhci/disk@g<WWN22>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD15/disk
     23. c0t<WWN23>d0 <drive not available>
         /scsi_vhci/disk@g<WWN23>
         /dev/chassis/ORACLE-DE3-24C.<SN>/HDD16/disk

 

Changes

This S7-2 Minicluster hardware was previously in use with Oracle/Suncluster software in use.

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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