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LTO - Port Speed Shows 3 Gbit for FC drives (SL500, HP LTO3-5 drives), Latest Firmware on Drives (Doc ID 1560861.1)

Last updated on JULY 25, 2022

Applies to:

HP LTO6 Tape Drive - Version All Versions and later
Sun StorageTek SL500 Modular Library System - Version All Versions and later
HP LTO3 Tape Drive - Version All Versions and later
HP LTO4 Tape Drive - Version All Versions and later
HP LTO5 Tape Drive - Version All Versions and later
Information in this document applies to any platform.
Customer is using Windows and has in fact opened the SR to request a link to the latest drivers because the drives are showing many i/o errors.
I have already searched KM for a description of this (including a very generic search for anything showing 3 gbit, but there's nothing, not even a description of SAS drives).
LTO drives in two SL500 libraries running 1409 firmware. There are four kinds of drives in there: LTO5, LTO4, LTO3 2Gbit, LTO3 4Gbit. All drives are FC, all drives are HP. Drives are running the latest firmware.

Symptoms

 Port Speed Shows 3 Gbit for FC drives (SL500, HP LTO3-5 drives), Latest Firmware on Drives.

1409 firmware supports LTO5 fully, including reporting of 8 Gbit speed. When checking the drive details, however:
               Device Id  : 0,2,2,9
               
                  General
                     Drive Type : HpUltrium3
                     Code Version : M6BS/012.861
                     Vendor : HP
                     Serial Number : HU108366R4
                     Interface Type : Fibre
                  Drive Configuration    ***THE DRIVE MUST BE IN A CONFIGURABLE STATE***
                     LVD Target ID : n/a
                     World Wide Name Node : 500104f000xxxxxx
                     Port A World Wide Name : 500104f000xxxxxx

                     Port A Enabled : true
                     Port A Loop ID (use 126 for soft addressing) : 126
                     Port A Speed (GB) : 3
                     Port A Link Status : n/a
                     Port B World Wide Name : 500104f000xxxxxx
                     Port B Enabled : true
                     Port B Loop ID (use 126 for soft addressing) : 126
                     Port B Speed (GB) : 0
                     Port B Link Status : n/a

Port speed is detected and shown as 3 for all 4 Gbit and 8 Gbit tape drives. This is definitely not right, and probably signifies some error, correct?

Cause

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In this Document
Symptoms
Cause
Solution

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