Solaris 11 - Iscsi Over Infiniband - How to Identify HCA PCI Card
(Doc ID 2022405.1)
Last updated on MAY 17, 2018
Applies to:Solaris Operating System - Version 10 3/05 and later
Information in this document applies to any platform.
This is a Solaris 11 T5-8 server connected via Infiniband to a ZFS storage array.
There are only two iscsi LUNs mapped from ZFS storage, boths are having Command Timeout on path errors :
1. c0t600144F0A7C2AE8900005524FA550006d0 <SUN-ZFS Storage 7335-1.0-85.00GB>
May 11 20:29:12 server01 /scsi_vhci/ssd@g600144f0a7c2ae8900005524fa550006 (ssd1): Command Timeout on path firstname.lastname@example.org:02:51dd14b2-41e1-6fb6-aa71-da1ae10a55fb0002,1
"Command Timeout on path " errors usually indicate a path problem to the storage device or a storage problem.
Q. What is the common point here that can cause these errors?
You should find out how the server is connected to the storage, how many HCA are used, how many paths, how many IB switches involved,
how many storage controller ports, etc...
In this document you will see how to find these HW components and associated iscsi configuration on the server
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