Questions tagged [fiber]
Fiber (Fibre) generally refers to optical fiber, a very thin, flexible glass strand which is used for the transmission of optical signals in high performance networks.
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Planet switch settings reverting
Introduction
I have two Planet sgs-5240-48t4x switches and they are connected via 1000BASE SFP singlemode fiber connection.
The link doesn't work when both sides have the autonegotiation enabled. For ...
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Fiber channel storage connection to a server running proxmox
I have two HP Proliant DL360 gen9 servers and Dell PowerVault MD3600f storage.
Goal is to setup a cluster of two proxmox servers with shared fc storage and high availability.
Vault is configured to ...
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Connecting a Backup-Server to a Tape Library using Fibre Channel without a Switch and across Buildings
Our idea is, to have a backup server in building A and a tape library in building B.
Building A and B are already connected via OS2 SingleMode.
The tape library is only available with a MultiMode FC ...
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Can I use optical amplifier to extend the distance between my server and SAN?
I have a server with fiber channel Host Bus Adapter(FC-HBA) connecting to SAN. The HBA can be either 8Gbps supporting up to 190 meters distance to the SAN, or 16Gbps supporting up to 125 meters. ...
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Windows Server 2022 NAS/SAN
I have a Windows Server 2022 server intended to be used as storage server.
In the server are two LSI 1068 HBA cards. First plan was MPIO, but is not working.
The two LSI controllers have two SAS ...
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Unable to establish link between Mikrotik router and Mellanox NIC
I am trying to establish a 25 GbE link between Mikrotik CCR2004-1G-12S+2XS router and a server running Windows Server 2022 with Mellanox NIC (MCX512A-ADAT).
For cabling, I tried using the official ...
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How to plan SAN Storage?
I'm pretty new to the whole SAN thing and am trying to wrap my head around some fundamentals.
We are trying to build up a Hyper-V Cluster with two Servers and some external storage media like an HPE ...
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Fiber Optic Link Signal quality issues
I am fairly new to working with fiber optic, and hoping to get some advice from someone with more experience. I have done a lot of reading online, but there is a lot of info out there, and a lot of it ...
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How can I check the status of a fibre interface without configuring it?
With copper Ethernet you can see if there's a physical link even when the NIC is unused, i.e. is not configured with IP. With copper, 'ethtool ens802s0f0' will tell you "Link detected: yes" ...
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Server 10Gb connect in Switch 1Gb
I have a server that has 10Gb NIC and a switch with 1Gb SFP ports can I buy a 10Gb DAC cable at the 2 ends that will work? including the switch that is 1Gb? Or can I buy an LC-LC cable and a SFP+ ...
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QLogic Fiber Card not working with HYVE-Zeus Server
I have a QLogic QLE2564 Fiber Card that doesn’t seem to be working with my server. I am running windows server 2019 on a Hyve Zeus V1 with a supermicro X9DRD-LF motherboard. When installed, the card ...
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Different drivers/support for 10GbE SFP+ copper versus fiber?
I'm looking at purchasing a storage array that uses 10/25 GbE SFP+ connections for the user-facing frontend network. I already have a 10 Gb switch with 24 RJ45 ports and 4 SFP+ ports. I assumed that ...
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Very slow write speed (NVME drive) on 10G network
Setting up an experimental lab cluster, the write speed for data received via 10G fiber connection is 10% of the local write speeds.
Testing transfer speed between two identical machines; iperf3 shows ...
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Some questions about SFP+ fiber networking in general
Ok. So I'm completely new to the world of fiber. I've used Ethernet all my life.
We're looking to upgrade some of our infrastructure, and I'm thinking of getting a few of these:
10G Dual SFP+ NIC ...
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Where can I get outage updates/alerts for transoceanic cables (and other tier-1 fiber backbones)?
Is there some site that aggregates status updates from the companies that manage the transoceanic fiber cables so that I can get a world view of global internet outages that break connectivity between ...
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