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Questions tagged [fibre-channel]

Fibre-channel is a communications protocol widely used in storage networks. It's most widely deployed in enterprise SAN environments, where large amounts of storage need to be shared amongst a number of different hosts, potentially over longer distances. The protocol is primarily used over fibre optic media (hence the name), but can also be used with copper interconnects.

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Device mapper multipath vs kpartx

Schema: Linux servers on Debian 10 connected into 2 SAN Fabrics, i presented 3 LUNs from HPE MSA 2060. Task: Correct setup multipath for presented LUN, do i needed use after multipath -i command ...
aad7's user avatar
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Does Windows have native Fibre Channel initiator?

I'm new to Fibre Channel and I'm aware that Windows has a native iSCSI initiator. However, I couldn't find something similar for Fibre Channel. Is it all done with third-party software from the ...
conierju's user avatar
3 votes
1 answer
267 views

Are SFP+ "Ethernet" direct attach cables compatible with Fibre Channel?

I'm trying to find some short 8G SFP+ Fibre Channel direct attach cables but they're rare and expensive, can a passive 10G SFP+ direct attach cable marketed for Ethernet be used between two 8G SFP+ ...
LAX1DUDE's user avatar
1 vote
1 answer
179 views

HPE Proliant Gen8 FlexibleLOM options for homelab network [closed]

In my homelab rack I've got a pair of DL360p's and a pair of DL380's (one P, one E). Network hardware wise I've got a 24 port Brocade 300 and a 48 port POE+ Avaya switch with a single SFP+ port. (...
LunarLaurus's user avatar
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can you cancel the rescan-scsi-bus.sh --forcerescan action

i was wondering if it was possible to cancel the rescan-scsi-bus.sh --forcerescan action after running it ? as far as i can see all it does is adds echo 1 > /sys/class/scsi_device/${host}:${channel}...
txblx's user avatar
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1 vote
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Linux: sd* exists in /sys/block but not found under /dev

I am operating an OpenStack cloud which is using Fibre channel to connect to backend storage. The issue I am facing is that sometimes disk, for example sdx, got a folder under /sys/block/sdx, but ...
jshen28's user avatar
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How to create Fibre Channel Data storage on HPE?

We bought HPE ML30 with OS Windows Server 2019 that runs on SSD and 4 SATA of 8TB each (which are not in RAID system, so each disc works on each on). We also added Fibre Channel adapter on server and ...
DaniKR's user avatar
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JBOD hard drives report incorrect size

I am trying to setup a netapp ds14 to use with 6 and 8tb SATA drives I got FC to SATA interposer boards and now all the drives are correctly identified and visible, however the capacity that I see is ...
Anton Banchev's user avatar
1 vote
1 answer
839 views

How to make Linux discover new LUNs from Pure Storage FlashArray//X70 R3?

When a new LUNs are presented to Fibre Channel SAN from a Pure Storage FlashArray//X70 R3, Linux (SLES) does not find those (as opposed to other FC storage systems like the HP EVA or 3PAR StorServ). ...
U. Windl's user avatar
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Qlogic QLE8152 connect to a DS14 disk shelf

I am trying to configure a NETAPP DS14 disk shelf to expose the drives to a windows or a linux machine, I don't have a controller but I got a FC to ethernet adapter (Qlogic 8152) however the loop does ...
Anton Banchev's user avatar
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Fibre channel multipath

I have a server with two FC adapters connected to Sun 6140 (IBM DS4700) array. One adapter (1) is connected to Cisco MDS switch and that switch connected to both array controllers. Second adapter (2) ...
kab00m's user avatar
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2 votes
3 answers
4k views

Tape drive Connectivity - Fiber channel Vs SAS

We want to change our tape backup system and acquire a LTO8 tape drive. Something that I cannot find the answer easily is what are the pro&con of the connectivty by Fiber channel or SAS. For the ...
Vindic's user avatar
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2 answers
3k views

Best free software solution for homemade iSCSI SAN [closed]

I currently have a NAS running ZFS on Ubuntu but have recently changed my main windows software to pool local drives using Stablebit DrivePool. I cannot include networked drives in DrivePool unless ...
AnimeAi's user avatar
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8 votes
1 answer
648 views

Can I dynamically expose an entire SCSI host over Fibre Channel, preferably in Linux

Is it possible to expose an entire SCSI host dynamically (an LSI HBA or RAID card) over Fibre Channel, if so how? Preferably on Linux (perhaps targetcli) and with disk hotplugging support. (i.e. ...
Charlie Camilleri's user avatar
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94 views

How do I set up IP over FC on OpenSolaris / Illumos?

This article implies that it's easy, but gives no details. I have a double QLogic card in my OmniOS server, connected via two fibre-optic cables to SFP adaptors in my Procurve switch. What I would ...
Michael restore Monica Cellio's user avatar
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1 answer
684 views

Configuring MPIO on Windows to remove duplicate disks

We have shared some storage from a EMC Unity SAN to Windows Server 2012 R2 to use with Veeam. In Disk Management, there are multiple disks listed with the same size. From previous systems, this is ...
neildeadman's user avatar
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1 answer
865 views

Configure single LTO tape drive over Fiber Channel HBA

How do you set up a single tape storage drive over an FC HBA? As far as I can tell, these things are not "plug and play". The tape drive I bought is an lto-5 FC taken from a tape library. I have ...
teziroct's user avatar
1 vote
1 answer
115 views

Mount the Vplex Virtual Volume ( LUN ) Xen Server

Hello ServerFault members, Please help me with this issue. I am in very strange situation with my Xenserver environment. I am trying to mount the Dell EmC ( Vplex LUN ) to the Xen server HA and when ...
kunal's user avatar
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1 vote
2 answers
255 views

3par OS location

As a complete 3par Newbie I have a simple question about the OS of the Storage-System. Is the OS on a 3par stored on it's controllers or on Disks like in some EMC-Models. When I have an empty 3par-...
noah's user avatar
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How is FC HBA card compatibility on Ubuntu? [Solved]

I have a server running on Ubuntu 16.04, and need to connect this server to a SAN storage via FC. I wonder which kind of HBA FC card does Ubuntu support? For example, this card is suggested by a ...
Hiep Ho's user avatar
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-2 votes
1 answer
703 views

Fibre Channel Ports and Tape Library

I am looking for advice rather then fix my issue. What should fibre channel port settings be? Currently F_ports, I have a qlogic 5800 sanbox switch connected to quantum scalar i40 lto7 library over ...
P78W's user avatar
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2 votes
0 answers
3k views

fsck.ext4 complaining that the device is in use. Can't find what exactly is using it

Our setup is a 3-node RHEL 7.3 bare-metal Kubernetes cluster running on Docker. We have a multipath FC SAN block device discovered on all three nodes. This device is used as a Kubernetes Persistent ...
Bernard Halas's user avatar
1 vote
1 answer
2k views

How to find if FC-Switch using port-zoning or not Brocade FC 300

I have to replace a HBA on RedHat5.3 due to card failure. A tech guy asked me that "Check your FC-Switch Zoning Type of Port Zoning or not? , because if host accessed by WWNN, you'll need to update ...
delorean924's user avatar
0 votes
1 answer
4k views

Centos 7 - install and mount fc multipath disks

I tried to install multipathing on a Centos 7.5 host following some links like https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/dm_multipath/mpio_components https://www....
msr's user avatar
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3 votes
0 answers
412 views

How to setup nvmetcli for FC loopback mode?

I have a NVMe SSD, KC1000, from Kingston and a HBA, QLE2672 2-port 16Gb Fibre Channel Adapter, from QLogic and are installed on Linux kernel 4.16.6. Then I would like to set up a scenario which has a ...
codexplorer's user avatar
0 votes
1 answer
295 views

split lc connection to fit two SMF transcievers?

I got a cross connect in a data center patched into my patch panel, I'm using SC to LC cable (SC from patch panel to LC into transceiver) to connect it to my switch (Arista 7150s). I just bought ...
Y.S's user avatar
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1 vote
1 answer
176 views

How to reattach Fibre channel drive when server reboots

I have two servers connected via point-to-point Fibre Channel (QLogic cards). The file server is running FreeBSD and has the iSCSI Target The other is running Debian and is the Initiator. The target ...
dwilliss's user avatar
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1 answer
131 views

Cisco UCS compatibility with FC-AL storage array

We have a Xiotech RS-1602-FC-SBD storrage array that I am testing to see if it is of any use. We have a Cisco UCS Chassis with blade servers and a Fabric Interconnect 6120XP. The storage array ...
Sebastian Garcia's user avatar
-1 votes
1 answer
495 views

HP PCIe 8GB FC Adapter not visible on Windows Server 2012R2 [closed]

Anyone who can assist me. I have a HP Proliant GL360, On Boot, the HP PCIe 8GB FC Adapter drivers are visible. Once logged on the server, when I go to Network Connections, I can't see the adapters. ...
Msemane's user avatar
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1 vote
1 answer
256 views

Fiber channel HBA, backwards compatibility

I'm pretty new to using FC HBA's, but planning on expanding my server with a storrage array. I found a cheap older (but good enough for my use case) LSI Engenio 1932. It has dual 4Gbs FC connection. ...
Christian Bekker's user avatar
1 vote
0 answers
745 views

When multiple VMs share a storage device on the same host, where does the data actually travel?

I am trying to figure out the optimal way to share storage with multiple VMs on the same box. I am aware of a range of options: NFS, iSCSI, fibrechannel, bridged, etc, but I am unclear how they fit ...
Stonecraft's user avatar
-1 votes
1 answer
2k views

How to differentiate GE, Optic and FC adapter/SFP?

I'm going through old switches laying around and find myself troubled by all the different connection types the PCI adapters and their SFP have. I found a 10GE (gigabit ethernet?) SFP that says it's ...
Carobell's user avatar
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5 votes
2 answers
4k views

Microsoft Hypervisor: Can we map LUNs directly to VM like VMWare RDM using HyperV's Virtual Fibre Channel Feature?

If we have a vSAN created on Microsoft Hypervisor and Virtual FC Ports have been assigned to VMs, can we directly map a LUN to the VMs bypassing the Hypervisor? i.e. The Hypervisor's disk management ...
Jay Bhardwaj's user avatar
3 votes
2 answers
467 views

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's user avatar
0 votes
1 answer
865 views

Connecting two computers directly using Fiber

At my workplace, we have an electron microscope that is hooked to our storage server using a 10g FC connection. Due to unknown reasons, we are experiencing some issues with the connectivity. As plan ...
feverDream's user avatar
2 votes
2 answers
1k views

Fibre channel zoning with VMware datastores

If I have multiple VMware ESXi servers controlled by vCenter that share a datastore over FibreChannel, what is the best practice for zoning those connections? I see two obvious ways to do this: ...
wfaulk's user avatar
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0 votes
0 answers
2k views

Automatic backup of brocade switch FC configuration

What is the best way to set up automatic backup for switch FC configuration? I have searched the web and came across https://code.google.com/archive/p/save-simply-your-san/ , but it looks like it ...
bgtvfr's user avatar
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2 votes
0 answers
246 views

Blade Server Networking Connectivity Solution

We are looking at purchasing 4 of the Dell M1000e Blade Chassis', along with 16x Half Height Servers in each. For our LAN Connection, we are looking at 2x MXL 10/40 GbE IO's per Chassis. From my ...
DARKOCEAN's user avatar
1 vote
1 answer
535 views

FC persistentvolume: What is the LUN number?

I'm trying to understand how to use fibre channel with OpenShift/Kubernetes persistent volumes. At https://docs.openshift.com/enterprise/3.1/install_config/persistent_storage/...
Troels Arvin's user avatar
0 votes
1 answer
45 views

Unable to access server using remote desktop and detect access point in controller software at the same time

I have following topology: I am not a networking expert but somehow using the help of the Internet I was able to successful configure my topology so that I can access the Server remotely from any ...
Aishwarya Shiva's user avatar
0 votes
1 answer
2k views

Fibre Channel Adapter as a NIC?

Is it possible to use a Fibre Channel PCIe adapter as an Ethernet network interface? I have QLogic Fibre Channel controller and a 3Com Gigabit Ethernet switch. I use Debian on a DL160 G5.
Alberto Perro's user avatar
-2 votes
1 answer
2k views

Can I use a HBA to connect to Internet

I recently got a QLogic QLE2460 network card which seems to be a Host Bus Adapter. Can I somehow use it as a network interface (NIC) between my server/workstation and a Cisco Catalyst switch with ...
AirPett's user avatar
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2 votes
0 answers
1k views

FibreChannel-SAN SCSI-block-devices get lost

There are 3 LUNs on a FC-SAN I want to access using 2 HBAs (with two paths each. When the system is booted, everything seems fine, but after a while the sd*-devices from the second HBA disappeared ...
Christian's user avatar
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0 votes
3 answers
152 views

ESXi FibreChannel Woes

I just recently got VMWare ESXi installed on one of our servers. I installed some fibre channel cards (QLogic) and for some unknown reason they show up in the storage adapters tab as an ISCSi Adapters....
TacticalKitchen's user avatar
0 votes
1 answer
327 views

Can I use Emulex fibre channel ports to set up a network between my servers? [closed]

I recently got my hands on a couple of old Fujitsu servers, all of which contain two PCIe fibre channel cards (Emulex ones). I also own a fibre channel switch. Is it possible to use the FC ports as ...
janoliver's user avatar
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4 votes
1 answer
1k views

100BASE-FX WDM vs 100BASE-BX vs 100BASE-BX10 - Are they all the same?

Are these three all the same thing being inconsistently named by different manufacturers? 100BASE-FX WDM uses separate wavelengths (1310 nm & 1550 nm) for Tx & Rx over a single strand of ...
Monstieur's user avatar
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1 vote
1 answer
582 views

Moving a QLogic fiberchannel card from one ESXi host to another

We are trying to upgrade an DL360 G6 ESXi host with a DL360p G8. The G6 has a Qlogic ISP2532 FC card inside and everything works fine. Since I don't have a spare FC card, I need to use the same card ...
Stefan Radovanovici's user avatar
4 votes
1 answer
440 views

Fibre channel: LTO tape overwritten on bus reset

There is a situation that we had at out customer that I'd like to understand better. Here's what happened: A library with LTO tape drives is connected to a fibre channel environment Archiving ...
matejk's user avatar
  • 111
10 votes
2 answers
11k views

Can you connect a SAN directly to a HBA with Fibre Channel?

I am in the process of sourcing our company's first SAN as we have the need for high availability/shared storage. I have noticed fibre channel switches are extremely expensive, and for redundancy we ...
user avatar
2 votes
1 answer
3k views

VMware ESXi config pass-through for Fibre Channel

I want to config pass-through for FC in VMware ESXi 5.5 (FC HBA: ISP2532-based 8Gb Fibre Channel to PCI Express HBA) follow the link https://tinkertry.com/usb3passthru. But when I turn on the virtual ...
Waveter's user avatar
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