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Questions tagged [multipath]

135 questions
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vSphere 5/Dell MD3000i multipathing configuration clarification

Revisiting an older vSphere setup with two Dell 1950s, 4 NICs per host: esxi1 and esxi2 for simplicity sake. SAN is a Dell MD3000i, two controllers, two NICs per controller: rc00 and rc01; rc10 and rc11 Only one LUN 0/virtual disk configured…
gravyface
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Dell PowerVault MD3200i dm-multipath configuration and performance snags in Debian 6.0 (squeeze)

I'll be using this iSCSI target for a couple of Debian-based KVM virtual machine hosts. Each of the target's redundant controllers has 4 ethernet ports; likewise for the initiators. I use two switches (ZyXEL GS-2200-24) with a trunk between them,…
Luis Bruno
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Linux-HA + dm-multipath: path removal causes segfault, kernel null pointer dereference, and STONITH

well I am setting up a Linux-HA cluster running *pacemaker-1.1.5 *openais-1.1.4 *multipath-tools-0.4.9 *OpenSuSE 11.4, kernel 2.6.37 Cluster configuration passed healthcheck by LinBit, so I'm pretty confident in it. Multipath is being used because…
Kendall
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is multipath -F safe? (flush all unused paths)

from multipath manpage: -F flush all unused multipath device maps is this a safe operation? I have a bunch of old dead paths and would like to clear them out, but want to make sure it's absolutely safe to do. I've heard ql-scan-lun.sh -r, which…
carillonator
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Adding multipath to server and change lvm to use new devices

I have a server running RHEL5 (HP Proliant DL365) connected to a EVA. LVM is used for the SAN disks like this /dev/sdav VolGroup09 lvm2 a- 150.00G 90.00G /dev/sdbi VolGroup08 lvm2 a- 150.00G 0 I want to setup Proliant…
newbie_1
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Debian and Multipath IO problem

Basically the situation is, I have a box running Debian, the box internally has an Intel SCSI RAID controller which is controlling 2 hard drives in RAID1 mode which is where the OS is installed. Further, I have a QLogic fiber channel adapter that…
tearman
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How can I mount an NFSv4 export with multiple IPs

I have a Synology with 2 controllers exporting an NFSv4 share. The NFS export can be accessible via any of the 2 IPs (which are on different subnets). How on a CentOS/RHEL/Rocky Linux distro, can I mount the NFS export and have it multipath or know…
cohortq
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IPv6 multipath routing with configurable weight

With Linux kernel 4.14, when I add IPv6 multipath routes with weights (10 & 30), they are getting added with same weight '1'. IPv4 route does not have this issue. I checked with exact same steps in a different machine with Linux kernel 4.19, where…
m.divya.mohan
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Using VirtualBox, can I assign per-VM VPN connections/profiles, specifically in order to use different VPNs on different VMs?

I'd like to run two VMs at the same time on the same host, with each VM connected to a different VPN connection. The host OS in question is Ubuntu, but if there is another OS which would do the job, switching could be considered. The only option our…
user3.1415927
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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) is connected directly to one of the array…
kab00m
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Multipath in linux for 2 replicated storage devices

We are trying to have an HA multipath were from 1 server (linux fedoraOS), we connect to 2 different storage devices (HP3Par) that are syncronously replicated. Our idea is that in case one of them goes down, the server can still access the…
carrotcakeslayer
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Multipathing on VMware ESXi is missing

I'm trying to configure a storage multipathing on VMware web client. I'm running the version 6.5.0, build 6765664. The problem is that on my storage section I can't find the option about multipathing. Someone could give me an advice? Maybe is not…
Pietro Z.
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Centos 7 - install and mount fc multipath disks

I tried to install multipathing on a Centos 7.5 host following some links like…
msr
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How to fine-tune iscsi-multipath queueing timeout?

I'm tuning the configuration for a multipath iscsi on a Centos 6 server. At the moment I'm using the following parameters for path retry: ... polling_interval 1 no_path_retry 12 ... That means, 'if a path fails, keep the I/O requests in queue for…
godzillante
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How to disable disk device user-friendly names in a RHEL 7 kickstart file

We're right now in the process of deploying a set of fibre-channel connected hosts with multipathed root disks. The installation is automated through foreman, so we boot vie PXE and run anaconda with a kickstart file. The default behaviour in…
Andreas Rogge
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