andrea-janna opened a new issue, #12669:
URL: https://github.com/apache/cloudstack/issues/12669
### problem
I'm using the NAS backup plugin to backup VMs to a CIFS network share.
When I press "Restore Instance backup" from a VM backup the restore job
fails with error "Error restoring VM from backup
[{"externalId":"i-4-18-VM\/2026.02.19.12.15.46","name":"back1","uuid":"a3669c69-58d4-4ff3-ab75-e58427b16624","vmId":18}].".
The KVM host agent log reports:
```
2026-02-19 14:29:46,684 WARN [utils.script.Script]
(AgentRequest-Handler-1:[]) (logid:2d706b21) Execution of process [1547333] for
command [/bin/bash -c sudo mount -t cifs \\bkcloudstack.unipd.it\cloudstack
/usr/share/cloudstack-agent/tmp/csbackup.UkQyW10877532893870504995 -o
username=cloudstack,password=XXX ] failed.
2026-02-19 14:29:46,684 WARN [utils.script.Script]
(AgentRequest-Handler-1:[]) (logid:2d706b21) Process [1547333] for command
[/bin/bash -c sudo mount -t cifs \\bkcloudstack.unipd.it\cloudstack
/usr/share/cloudstack-agent/tmp/csbackup.UkQyW10877532893870504995 -o
username=cloudstack,password=XXX ] encountered the error: [1].
2026-02-19 14:29:46,684 ERROR
[resource.wrapper.LibvirtRestoreBackupCommandWrapper]
(AgentRequest-Handler-1:[]) (logid:2d706b21) Failed to mount repository {} of
type {} to the directory {}
```
The KVM host journal reports:
`Feb 19 14:29:46 emi2 sudo[1547333]: root : PWD=/ ; USER=root ;
COMMAND=/bin/mount -t cifs \\bkcloudstack.unipd.itcloudstack
/usr/share/cloudstack-agent/tmp/csbackup.UkQyW10877532893870504995 -o
username=cloudstack,password=XXX,nobrl`
The network path in the sudo mount command is wrong. It should be something
like \\\\\\\bkcloudstack.unipd.it\\\cloudstack or
//bkcloudstack.unipd.it/cloudstack
### versions
CloudStack 4.22.0.0
Rocky Linux 10
### The steps to reproduce the bug
1. backup the VM
2. stop the VM
3. select the backup and press "Restore Instance backup"
### What to do about it?
_No response_
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