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In desperation I edited every possible option in /etc/multipath.conf and ended up with a working configuration. not en easy one. My guess is that multipath combined with LVM need really a good article on the technique to make a clear understanding on how it works.

thanks bbgeek17. I'm trying to understand what is missing. setup is the same on both node. however I got on node2 this specific error systemctl --failed UNIT LOAD ACTIVE SUB DESCRIPTION ● lvm2-pvscan@8:49.service loaded failed failed LVM event activation on device...

may be this could be related to this difference on how volume are seen on different node but I dont known how to deal with root@vms-infomox-2:~# pvs WARNING: Not using device /dev/sdd1 for PV uftjdL-8Kk1-26tB-9Aqp-nYLr-K1aV-IEfjN6. WARNING: Not using device /dev/sde1 for PV...

hi everyone, a very strange thing happened. I got a cluster on 2 HPE DL830 with a fiber channel disk bay MSA family, originally in PVE 6 I carefully read about https://pve.proxmox.com/wiki/Upgrade_from_6.x_to_7.0 I migrated all VM from node 1 to node 2 upgraded node 1 to pve 7, rebooted node1...

pvck /dev/mapper/baie2 Cannot access device /dev/mapper/baie2 seams to be a persistant multipath problem multipath -v2 5550.353950 | mpath0: addmap [0 15606988800 multipath 1 queue_if_no_path 1 alua 2 1 service-time 0 1 1 8:64 1 service-time 0 1 1 8:80 1] 5550.354290 | libdevmapper...

lsblk └─pve-data 252:2 0 777G 0 lvm /var/lib/vz sdd 8:48 1 0B 0 disk sde 8:64 0 7.3T 0 disk └─sde1 8:65 0 7.3T 0 part └─baie2-vm--501--disk--0 252:3 0 5T 0 lvm sdf...

AAAAAAArggggh after a new reboot all is gone.

OK, thanks waltar. So now I am after multipath setup. multipath looks good, lsblk ... sdd 8:48 1 0B 0 disk sde 8:64 0 7.3T 0 disk └─3600c0ff0003c10d74b7be76601000000 252:3 0 7.3T 0...

Sep 16 02:09:59 vms-infomic-3 lvm[1337]: PV /dev/sdf1 8:81 is duplicate for PVID xjfJIT8MROgpYDWhl6EemDn78fyvNhWy on 8:65 /dev/sde1. So I have added the WWN multipath -a 3600xxxxxxxx... now I have error Cannot use /dev/sde1: device is a multipath component I'm getting nuts. How to I recover...

There where no data yet on the SAN, so I reconfigured the MSA 1050 to make it simple, with only 1 pool, 1 raid and 1 volume mapped to all known WWN, and after that the LVM config is getting my setup at creation time BUT NOT after a reboot. I was able to create a PV, a VG, a LV, created a VM on...

Over my dozens of distant Proxmox install in the pacific island all around I have a very strange case today. I have a refurbished 4 years old DL 380 with a MSA 1050 SAN from HPE, just installed proxmox 8.2.4 (last update) I can see my 2 HBA, connected with fibre channel to the SAN bay, lspci...

It looks to me that this is the way to go, My PBS2.2 is able to see and use my NFS datastore created with pbs1.1. thanks all for your tips and informations.

OK, I don't knew that. So I will stop definitively PBS1 , then modify /etc/proxmox-backup/datastore.cfg on PBS2 and restart services.

you got it right ! :)

HI dcsapak, thank for your informations. I have a PBS 1.1 with datastore on a NAS/NFS PBS1.1 What I'v tried to do is to attach (add) this NFS/PBS1.1 to a PBS2.2 that can see it. But when doing this I got an error : unable to create chunk store 'PBS1' subdir "/mnt/pve/MOXNFS/PBS/.chunks" -...

Hi everyone, May I add a 1.1 datastore to a 2.2 PBS ? I am search for some migration pattern from a proxmox to another (both use PBS for backup but on different version)

There have been some electrical disturbance on site I was not aware of. looks like one fibre channel switch have freezed or kind of (half freezed, half working), asked someone on site to turn it off&on again. on the node 2 there were some missing physical volumes pvdisplay ... --- Physical...

OK, this last part looks to be an issue with LVM. I have to vgextend --restoremissing msa <each PV on the vg> to fix it. Now I can move my VM disks back from NFS to the MSA storage Bay. at least on node 1 but not node 2.

a bit more things... I can move a disk from the MSA bay to an NFS (NAS) used for backups, then move the VM to the other node back an forth. but when I want to move back the disk to the MSA there is errors. (from any node) create full clone of drive scsi0 (NAS:113/vm-113-disk-0.qcow2) Cannot...

Hi everyone, I got a proxmox 5 cluster, that I intent to upgrade to 6 and then 7, the cluster is made of 2 DL380 and a HPE MSA FC disk bay pve-manager/5.4-15/d0ec33c6 (running kernel: 4.15.18-30-pve) when I try to migrate any VM no-one succeed, every vm reach an error can't activate LV...