P ProxNoel New Member Jan 30, 2025 7 1 3 Mar 16, 2026 #1 Hello, I am trying to backup a very large VM (around 2 TiB). At 1.2 TiB I get: zstd: error 70 : Write error : cannot write block : File too large and then write error - broken pipe. Is there anything I can do to make my backup possible?
Hello, I am trying to backup a very large VM (around 2 TiB). At 1.2 TiB I get: zstd: error 70 : Write error : cannot write block : File too large and then write error - broken pipe. Is there anything I can do to make my backup possible?
fabian Proxmox Staff Member Staff member Jan 7, 2016 12,877 3,703 303 Mar 16, 2026 #2 what is your backup target?
P ProxNoel New Member Jan 30, 2025 7 1 3 Mar 18, 2026 #3 fabian said: what is your backup target? Click to expand... cephfs
fabian Proxmox Staff Member Staff member Jan 7, 2016 12,877 3,703 303 Mar 18, 2026 #4 https://docs.ceph.com/en/latest/cephfs/administration/#settings
P ProxNoel New Member Jan 30, 2025 7 1 3 Mar 18, 2026 #5 Thank you fabian. I will try to change the value and redo the backup!
