vzdump backup all functioned until July 20, 2020. now all vzdump fail with similar error:
INFO: starting new backup job: vzdump 101 --compress zstd --node putsproxp04 --remove 0 --mode snapshot --storage nas06p2
INFO: Starting Backup of VM 101 (qemu)
INFO: Backup started at 2020-08-03 14:24:44
INFO: status = running
INFO: VM Name: putsfishpv01
INFO: include disk 'scsi0' 'vmpool01:vm-101-disk-0' 100G
In some cases useful info is found in syslog - try "dmesg | tail".
rbd: sysfs write failed
ERROR: Backup of VM 101 failed - can't map rbd volume vm-101-disk-0: rbd: sysfs write failed
INFO: Failed at 2020-08-03 14:25:45
INFO: Backup job finished with errors
TASK ERROR: job errors
INFO: starting new backup job: vzdump 101 --compress zstd --node putsproxp04 --remove 0 --mode snapshot --storage nas06p2
INFO: Starting Backup of VM 101 (qemu)
INFO: Backup started at 2020-08-03 14:24:44
INFO: status = running
INFO: VM Name: putsfishpv01
INFO: include disk 'scsi0' 'vmpool01:vm-101-disk-0' 100G
In some cases useful info is found in syslog - try "dmesg | tail".
rbd: sysfs write failed
ERROR: Backup of VM 101 failed - can't map rbd volume vm-101-disk-0: rbd: sysfs write failed
INFO: Failed at 2020-08-03 14:25:45
INFO: Backup job finished with errors
TASK ERROR: job errors