Fibre Channel

mrk4's picture

ATTO HBA LUN ISSUE - AGAIN, this time with 10.9??? RESOLVED!

Forums: 

I used to have issues with ATTO 41/42ES HBAs seeing all the LUNs on our XSAN system (Qlogic 5600/Infortrend RAIDS). Replacing the problem client PCI card with an Apple 4Gb card eliminated the problem.

Since updating the XSAN to Lion 10.7.4/10.7.5, and using the latest available ATTO drivers/flash files for the 41/42ES - the problems 'had' disappeared.

Unfortunately, while rumming some pre-upgrade tests using a metadata controller on Mavericks 10.9.1, it appears the problem has reoccured. Its a real issue now as I have many connected clients running the ATTO cards, and updating the MDC OS may or may not make them stop seeing the various XSAN volumes.

I've tried flashing the ATTO firmware etc, but a test client machine I have here happily running on an ATTO 41ES and Lion 10.7.5 to our existing 10.7 MDC, when connected to the test 10.9 XSAN will not see some LUNS on either 10.7 or 10.9. Swap the HBA for an Apple, and hey presto - there they are. Grrrr!

Has anyone come across this issue - or better still got a fix (that does not involve buying Apple cards!) ?

Thanks

 

arls1481's picture

QLogic SanBox 9100 question

Forums: 

I've got a Sanbox 9100 with (5) SB9004 - 4/2/1G blades in it and have run out of ports. I'm having a hard time sourcing out 4/2/1G blades but can come up with 8/4/2G SB9008 blades pretty easily. Anyone know if its kosher to pop those newer blades in to the 9100? I'm assuming it will work fine and that any ports I connect that have 8G at both ends will utilize it and it downscales otherwise???

aaron's picture

Bulletproof Zoning on Xsan

The most mystifying component of our SANs has got to be the fibre channel network. With heavy black boxes, bright orange cables, even lasers, it sends our PKE meter off the scale. Even the management software manages to either look like a Windows program or require -- ack -- Internet Explorer!

This article may help shed just a little light on your fabric. The idea is to set up zones -- lots of zones -- to make your SAN behave more predictably. It can be a lot of work at the beginning, but you get several important benefits.

  • Broadcast traffic is isolated between clients, minimizing client-to-client conflicts
  • New devices are effectively invisible until deliberately added to a zone
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