Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [hba]

HBAs are host bus adapters. They are a type of special purpose network card specifically designed for talking to storage systems. Typically via Fiber Channel, SCSI or eSATA.

Host Bus Adapters are special purpose "network" devices for talking to storage systems. They use storage protocols (SCSI, Fiber Channel, etc.) to communicate with a SAN or set of disks.

They can be expansion boards installed in a server, or an on board option, much like 'conventional' network cards.

Because of the specific needs of storage they tend to be lower latency than you would get from a conventional ethernet network card.

90 questions
27
votes
5 answers

What is the difference between a HBA card and a RAID card?

I thought I knew the difference between HBA and RAID. In my mind, HBA is offloading from the main motherboard/CPU and is simply JBOD... usually has an external SAS ports, whilst a RAID card does the same job as HBA but adds all the nice RAID levels…
William Hilsum
  • 3,506
  • 5
  • 28
  • 39
15
votes
3 answers

What does "low profile" stand for, connected to hardware?

When it comes to hardware I often read something like "Apple Mac computers, and other lower profile ...." For me it sounds like a better word for low end segment hardware but I am not sure about it. Google didn't help me well to answer this…
RayofCommand
  • 1,451
  • 8
  • 26
  • 36
9
votes
1 answer

Mixing HBAs in a failover cluster?

I have a two server failover cluster, and for various reasons - they're on mismatched hardware. One has Emulex HBAs installed, the other Qlogic. I'd be twitchy about using two different makes/models of card for multipathing within a box. I'm…
Sobrique
  • 3,697
  • 2
  • 14
  • 34
8
votes
2 answers

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 actually ports on the card. So if a HBA has 4…
Jim
  • 978
  • 7
  • 20
  • 32
5
votes
3 answers

How to automatically detect inserted SATA disk in Solaris if cfgadm status is disconnected?

My goal is to automate a backup routine on a small OpenSolaris NAS (running OmniOS + napp-it on a HP Microserver N54L) in combination with SATA disks. Background: I have installed one of those 5.25" -> 3.5" carrier-less HDD trays that contain a…
user121391
  • 2,452
  • 12
  • 31
5
votes
4 answers

"Failed to initialize PAL." while upgrading an LSI 9211-8i to IT?

When attempting to flash my LSI SAS 9211-8i card on my ASUS H87I-PLUS LGA 1150 Intel H87 Mini ITX Motherboard, I was able to get through all of the instructions until I was finally ready to flash, using SAS2FLSH.exe. The error reported was: ERROR:…
aronchick
  • 685
  • 3
  • 7
  • 14
5
votes
1 answer

Issue with LSI SAS2116 - no drives being detected on Fedora 32 kernel 5.8.*

Last week I updated my kernel using the regular DNF update process. On reboot, none of the drives in my mdadm arrays were detected. I narrowed down the issue to a problem with the kernel and used an older kernel to boot. I waited a week for the next…
RedTedRedemption
  • 63
  • 2
4
votes
1 answer

How does HP DL380e G8 support 12 sas disks

I have an HP DL380e Gen 8. it has 12 3.5/LFF slots on the front. The backplane has two SFF8087 cables to the HBA. I thought that SFF8087 could only carry 4 SAS channels, so how do 12 disks work over 2 SFF8087s? Does it only support 8 at a time?
rsaxvc
  • 197
  • 6
4
votes
0 answers

Adaptec pm80xx Driver Drops Drives Randomly

I'm building a ZFS NAS using an Adaptec ASA-71605H HBA on Ubuntu 12.04.4. Modern Linux kernels ship with the open-source version of the required pm80xx kernel module. Adaptec provides a driver for Ubuntu 12.04 theirself and I tested both with the…
Patrick Bergner
  • 141
  • 4
4
votes
2 answers

hba for software raid

In a software raid environment, is HBA failure the same as a hardware RAID controller failure? Do you still have to find the same model HBA to put into a different server in order for the drives to work without re-configuration or restore?
Joe C
  • 145
  • 1
  • 1
  • 4
4
votes
3 answers

How to understand the LSI HBA connector specs?

When reading the specifications for the LSi SAS 9206-16e HBA, it says Storage Connectivity; Data Transfer Rates * 16 ports; 6Gb/s SAS 2.1 compliant SAS Bandwidth * Half Duplex 2400MB/s, x4, 6Gb/s SAS lanes Port Configurations * 16 ea, x1 ports…
Sandra
  • 9,973
  • 37
  • 104
  • 160
4
votes
2 answers

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 that have a HBA. They connect either directly or via…
Spence
  • 670
  • 3
  • 9
  • 19
3
votes
2 answers

Hyper-V Point to Point using FC HBA

Is it possible to connect Point to Point two Hyper-V servers using FC HBA to replicate data without connection to external storage?
user397399
  • 85
  • 2
3
votes
1 answer

Are FC and SAS DAS devices standard enough?

Before I ask my questions, here is some background info that may or may not be useful: For the first time I find myself needing a DAS solution. My priority is data through-put in a single direction. I can write large blocks, and I don't need to…
Jay
  • 33
  • 3
3
votes
1 answer

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 possible to take two 10 GbE FC SFP+? I know there's a…
JohnnyFromBF
  • 1,239
  • 6
  • 21
  • 25
1
2 3 4 5 6