2
votes
1answer
82 views

What effect does HBA queue depth and max transfer size have on transmission overhead?

This is a pretty straightforward question. What, if any, relationship do queue depth and max transfer size a QLogic HBA have on management overhead on a transmission? What I'm hoping to learn how (if ...
1
vote
1answer
44 views

Can't view properties of an hba in vSphere 5.5

Why can't I view the properites of this HBA in vSphere?
1
vote
2answers
194 views

SAN newbie: What kind of fiber cables do I need to connect to the front end ports on my EMC CX300

I have an old CX300 I'm messing with and I cant determine what kind of HBA\fiber cables I need to connect a server to the front end ports on the DPE2. The hardware reference doesn't give me any ...
7
votes
2answers
359 views

How Fibre Channel Frames are populated and traverse a Fabric?

Trying to wrap my head around how Fibre Channel Frames are actually populated and sent through a switched fabric. I Understand WWNN WWPN, WWNN is a WWN of the actual HBA, and WWPN are the WWN of the ...
3
votes
1answer
70 views

Is it possible to connect a FC HBA 8 Gb through 10 Gb Ethernet SFP+?

I have to connect an IBM Server with a QLogic EP2532 to an IBM DS3512 with a PMC PM8032. I need two 8 Gb FC LX 1310 nm SFP+ modules and since they seem to be hard to get, I thought would it be ...
2
votes
1answer
3k views

Linux Fiber Channel Host Setup Basic

I've been googling for about 4 hours now with no luck. I am trying to setup a Linux server running Oracle Server 6.3 as a Fiber Channel host. And then connect it to a Dell Compellent Fibre Channel ...
1
vote
0answers
178 views

Virtual fiber channel HBA in Solaris

We are trying to set up some virtual Fibre Channel HBA's in Solaris. This seems to be possible with NPIV. Creating NPIV's in a Solaris global zone works fine, but passing that NPIV to a zone didn't ...
3
votes
2answers
4k views

How does a SAN architecture work and more importantly scale?

I'm trying to understand some SAN infrastructure and I was hoping some of you with more experience than me could help me understand scaling with a SAN. Imagine that you have some computer servers ...
2
votes
1answer
332 views

back to back infiniband

I've been given two hpc cluster nodes, each with an infiniband hca. Is it possible to connect them back-to-back, without using a switch ?
1
vote
1answer
709 views

Can I use a 8Gb/s Fiber Channel HBA in a 4Gb/s system?

Simple question: Is it possible to use a 8Gb/s Fiber HBA card with a 4Gb/s system? Is there some technical documentation about that?
0
votes
1answer
391 views

Same hard disk reported twice in Red Hat (SAN and multipath)

I use two Q-Logic HBA's on one server which have access to the same LUN. Red Hat (and gparted also) sees the LUN as two seperate disks (sda, sdb). Is this normal? Thanks!
2
votes
6answers
18k views

How to configure Broadcom 5709 NIC as iSCSI Hardware Initiator

I'm having some trouble to setup an iSCSI Hardware Initiator within ESX4. The host-machine has a "Broadcom NetXtreme II BCM5709 1000Base-SX" NIC which supports TOE and can be used as an iSCSI HBA. The ...