Hello,
Urbackup with ZFS version: 2.5.28
Client: Microsoft Windows Server 2019, urbackup client version: 2.5.21
I got this error only while backing up volume D
on the client side debug.log
2023-02-24 14:00:20: Block did change: 23185536 mixed=false
2023-02-24 14:00:20: Block did change: 23188608 mixed=true
2023-02-24 14:00:20: Block did change: 23188864 mixed=true
2023-02-24 14:00:20: Block did change: 23188992 mixed=false
2023-02-24 14:00:20: ClientService cmd: STATUS DETAIL#pw=fbiR5yyXoXxKV5GJuEZs2kd2gzycxP
2023-02-24 14:00:20: rc=0 hasError=true state=4
2023-02-24 14:00:20: Sending failed. Last error: 10054
2023-02-24 14:00:20: ERROR: Pipe broken -2
2023-02-24 14:00:20: ERROR: Pipe broken -4
2023-02-24 14:00:20: Sending image done
2023-02-24 14:00:20: Removing running process (1) id 2 server_id 6 token jDwfp82pOQWTS31T6uRW action 4
server side /var/log/urbackup.log
2023-02-22 11:37:48: Looking for old Sessions… 3 sessions
2023-02-22 11:48:02: Looking for old Sessions… 3 sessions
2023-02-22 11:48:02: Session timeout: Session psb5jthP23VHD7bSBwAgKJNrgfL0Sj
2023-02-22 11:48:45: Looking for old Sessions… 2 sessions
2023-02-22 11:48:45: Session timeout: Session NjtY9dYvmBKuoCV6NF0kx5wm9MGf5R
2023-02-22 11:49:38: Write to CowFile failed. errno=52
2023-02-22 11:49:38: Retrying writing to VHD file…
2023-02-22 11:49:38: Write to CowFile failed. errno=52
2023-02-22 11:49:38: Writing to VHD file failed
2023-02-22 11:49:38: Retrying writing to VHD file…
2023-02-22 11:49:38: Write to CowFile failed. errno=52
2023-02-22 11:49:38: Writing to VHD file failed
2023-02-22 11:49:38: Retrying writing to VHD file…
2023-02-22 11:49:38: Write to CowFile failed. errno=52
2023-02-22 11:49:38: Writing to VHD file failed
2023-02-22 11:49:38: ERROR: FATAL: Error writing to VHD-File. Invalid exchange (code: 52)
2023-02-22 11:49:38: ERROR: FATAL ERROR: Could not write to VHD-File
2023-02-22 11:49:38: Transferred 3.89666 GB - Average speed: 19.403 MBit/s
2023-02-22 11:49:38: Script does not exist urbackup/post_incr_imagebackup
2023-02-22 11:49:43: Time taken for backing up client XXVIRT19: 28m 54s
2023-02-22 11:49:43: ERROR: Backup failed
2023-02-22 11:49:43: Updating statistics…
2023-02-22 11:49:43: Updating image stats…
2023-02-22 11:49:43: Updating file statistics…
2023-02-22 11:49:43: Done updating statistics.
2023-02-22 11:49:44: msg=WAKEUP
2023-02-22 11:49:44: WARNING: Exponential backoff: Waiting at least 1h 20m before next image backup
I was trying make full image backup and downgrade client urbackup but the same result.