Loss of Access to 3510 or 3511 FC Storage After Power Cycle of Host Using 1 Gb PCI Dual FC Host Adapter(+) HBA |
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| Category : | Availability |
| Release Phase : | Resolved |
| Product : | Sun StorageTek 3510 FC Array Sun StorageTek 3511 SATA Array
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| Bug Id : | 6256052
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| Date of Resolved Release : | 29-JUN-2005
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Impact
After a power cycle on a host that has a Sun StorEdge 1 Gb PCI Dual FC Host Adapter(+) HBA installed, the host no longer has access to the array.
Contributing Factors
This issue can occur on the following platforms:
- Sun StorEdge 3510 or 3511 FC array with Sun StorEdge 1GB PCI Dual FC Host Bus Adapter(+)
Symptoms
After a power cycle on the host, the storage presented by the 3510 or 3511 array will not be available to the host. This issue can be seen in the "probe-scsi-all" after the power cycle:
Sun Ultra 60 UPA/PCI (2 X UltraSPARC-II 296MHz), No Keyboard
OpenBoot 3.31, 768 MB memory installed, Serial #10149614.
Ethernet address 8:0:20:9a:de:ee, Host ID: 809adeee.
ok> probe-scsi-all
/pci@1f,2000/SUNW,qlc@1,1
Fibre Channel link not ready - Loss of Sync
Fibre Channel link down
/pci@1f,2000/SUNW,qlc@1
Fibre Channel link not ready - Loss of Sync
Fibre Channel link down
/pci@1f,4000/SUNW,qlc@5,1
Link not ready - Loss of Sync
*********************** Local Loop Devices ***********************
No local loop devices
/pci@1f,4000/SUNW,qlc@5
Link not ready - Loss of Sync
*********************** Local Loop Devices ***********************
No local loop devices
/pci@1f,4000/scsi@3,1
/pci@1f,4000/scsi@3
Target 0
Unit 0 Disk <DISK> ST19171W SUN9.0G0776
Target 1
Unit 0 Disk <DISK> ST19171W SUN9.0G0A78
/pci@1f,4000/pci@4/SUNW,qlc@5
Fibre Channel link not ready - Loss of Sync
Fibre Channel link down
/pci@1f,4000/pci@4/SUNW,qlc@4
*********************** Local Loop Devices ***********************
Adapter loopId - 0 <<<< no 3510 but 3510 primary is on the bottom
/pci@1f,4000/pci@2/SUNW,isptwo@4
Workaround
To work around the described issue, set the data rate on the 3510 or 3511 (on the host connected channel) from AUTO to 1G. This parameter can be set in the firmware application as follows:
- Choose "View and Edit Channels"
- Click on the host channel(s) connected to the HBA
- For "Data Rate" choose "1G"
Resolution
Please see the "Relief/Workaround" section above for the final resolution.
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