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504 Error When Creating iSCSI Disk

Receiving a 504 Bad Gateway when attempting to build an iscsi disk. I cannot even navigate to the page to do so, it just times out. Unable to locate any information as far as troubleshooting the nginx configuration for the GUI. Has anyone experienced this before?

make sure your different subnets  do not overlap, make sure your hardware meets the requirements. Also make sure you do not manually replace the PetaSAN kernel with generic one. Else have a loot at the /opt/petasan/log/PetaSAN.log as well syslog for errors and post any.

@mwalent:

I had a similar problem with getting a 504 timeout listing ISCSI disks and listing/moving the paths. I could solve this by restarting the admin service.

systemctl restart petasan-admin.service