Symptoms

Cyber Recovery Disaster Recovery Backup failed.When clicking on the details for this job, one may see the error 'Unable to mount <DD_name:/mtree_path&name> <CR_host_folder> exit status 32'.Below error can be observed in CR logs: [2022-04-26 12:12:52.251] [INFO] [apps] [mount_internal.go:41 MountLocalUnix()] : mount [<DD_name>:/data/col1/CR-Backup /cr/mnt/backups] [2022-04-26 12:12:53.317] [DEBUG] [apps] [mount_internal.go:47 MountLocalUnix()] : Exiting [2022-04-26 12:12:53.317] [DEBUG] [apps] [mount_external.go:41 MountApp()] : Exiting [2022-04-26 12:12:53.317] [DEBUG] [apps] [apps.go:656 setResponseError()] : Entering [2022-04-26 12:12:53.317] [ERROR] [apps] [apps.go:663 setResponseError()] : MountFS errcode: 500 errmessage:exit status 32

Cause

MountFS errcode 500 means NFS server error. 

Resolution

In one case where this is observed, disabling NFSv4 on DD makes CR DR backup working. 

Support Cases