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Hi saphirblanc, after you have mount Iscsi Lun, add a LVM on it by GUI. Remember to select the "shared" options.

hi saphirplanc, you can mount multiple ISCSI LUN on an host. But if You use in a Cluster, you have to use LVM over iscsi for multiple access. So you don't have data corruption.

https://vmpete.com/2011/09/06/using-the-dell-equallogic-hit-for-linux/

https://www.dell.com/community/EqualLogic/Caution-conditions-TCP-retransmittions/td-p/4682674 maybe this ca help you....

Hi Danilo, but you have only "tcp retrasmissions" message, or you have other problem? Like slow performance or other????

hi Danilo, proxmox is debian based, so i think you can search in this way....

https://forum.proxmox.com/threads/proxmox-synology-iscsi-mulitpath.66704/ https://forum.proxmox.com/threads/multipath-iscsi-dev-mapper-device-is-not-created-proxmox-6.57272/#post-264048 for reference

if this can help you, thi is mine: defaults { find_multipaths no polling_interval 2 path_selector "round-robin 0" path_grouping_policy multibus uid_attribute ID_SERIAL rr_min_io 100 failback...

you have to configure Multipath..... https://pve.proxmox.com/wiki/ISCSI_Multipath

hi dominic, thanks for your reply. at the end i create by hand from the cli and mount the lun in iscsi: pvcreate /dev/mapper/mylun vgcreate vg_iscsi /dev/mapper/mylun and all is ok...... but the issue that i encounter in my first post remain. Sure my action is a workaround, not a solution.

https://pve.proxmox.com/wiki/ISCSI_Multipath in proxmox 6 multipath is change... https://forum.proxmox.com/threads/multipath-iscsi-dev-mapper-device-is-not-created-proxmox-6.57272/#post-264048

i think you need configure multipath...

Good Morning, i have a test server and i connect an iscsi lun that is on my nas. In proxmox >6 i remember that i don't check "use lun directly" option if i want to setup a LVM for sharing storage in multiple host server. (https://pve.proxmox.com/wiki/Storage:_iSCSI) In version 6 of proxmox if i...

but if i have 4 ip for 4 ethernet (1 ip for 1 ethernet) how can i configure multiple ip with web gui???

Good morning, is possible in proxmox mount a datastore with NFS v 4.1 with multipath support? Thanks

you have to configure your SAN first. create lun on SAN, configure multipath on proxmox side and then configure lvm on proxmox.....

do you have select "shared" option when create lvm???

https://pve.proxmox.com/wiki/ISCSI_Multipath i think can help you...

i think your problem is qnap side.... have you try to reconfigure ip access?? Have you free space?? Try to install last firmware?? you can try disable nfs 4 .... in last week i have related problem with qnap and nfs mount on linux, after update firmware and reconfigure NFS all restart to work....

I think your Nas can be the bottleneck.... A better Nas (dyi can a good choice) can give more performance. For nfs try to mount with async option... Give us your feedback