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Hi, I'm reporting back with the resolution of the problem why I created this thread. The problem was really not in multipathd or proxmox itself. So it's not proxmox-related. As it seems, the array is just not designed for usage I was trying to achieve, as someone here suggested. Disabling...

Hi, thanks. For now, I will try to leave it non-multipathed, with miltipathd turned off and will see how it works. It it will be bad, I will look for my options. EDIT: BTW, I have server connected to array with SAS cables. So if I need redundancy, I will have to buy some SAS switch.

Hi, so you think this could be reason of my problem with multipath? So this problem could be not related to proxmox? I have 2 controllers, each has 4 scsi ports. But I have 6 servers. Controller one is prefferred owner. But 3 servers are connected to controller two. But it still works, only...

Hi, intresting. I didn't even know it is possible. I was just following DELL's guide: https://www.dell.com/downloads/global/products/pvaul/en/powervault-md-linux-device-manager-installation.pdf Which led me to https://pve.proxmox.com/wiki/ISCSI_Multipath I am not sure how to configure this...

As I know it's the only way to have working shared storage and live migration on this setup. Sure, in reality it's almost for nothing, mainly for testing purposes. But it can handle HA - when one node fails (for example power is disconnected from server) service is started on another node...

Hi, I've run into very strange problem that happens to me. In January I installed 6 dell servers and set-up one array as an experimental cluster. Servers are directly connected to storage array. 3 to controller A, 3 to controller B. Each server has only one path, since redundancy is not needed...

Hi, I managed to get full dmesg log: https://pastebin.com/A9EF9ndq

It is SuperMicro X7DBR-3 with onboard Adaptec AIC-9410 SAS Controller. Latest BIOS (2.1b) already installed, so no luck here :(

Hi, I am not sure that I did what you suggested. But I downloaded latest aic94xx_seq.fw from adaptec site and put it in /lib/firmware/aic94xx_seq.fw. Then I rebuilded initramdisk. But nothing changed, only this line: [ 1.355919] aic94xx: Found sequencer Firmware version 1.1 (V30) but there...

Hi, thanks for response. I checked initramdisk for sure and here is module and needed firmware present too: /lib/modules/4.13.13-5-pve/kernel/drivers/scsi/aic94xx/aic94xx.ko /lib/firmware/aic94xx-seq.fw For now I am in state when booting with old kernel 4.4.98-5 works OK, here is dmesg log...

Hi, I just tried to upgrade proxmox 4.4 to proxmox 5. But it wont boot. So I tried to do clean install, but installer does not see any harddisks. Tried also 5.0 installer with 4.10 kernel, but no luck. I have Adaptec AIC-9410W controller on board. It it unsuppoerted in proxmox newer than 4.4...