http://192.168.180.206:8001/ 2026-05-13T00:29:55+00:00 http://192.168.180.206:8001/ http://192.168.180.206:8001/_media/wiki:dokuwiki.svg text/html 2025-08-12T15:12:48+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/vm:proxmox:pbs:issues?rev=1755011568&do=diff issues failed to get canonical path of /usr/sbin/grub-probe: error: failed to get canonical path of `/dev/disk/by-id/scsi-35000000000000278-part3'. From beginning all SATA drives were linked in /dev/disk/by-id as: * ata-??? * scsi-??? * wwn-??? text/html 2026-04-09T11:53:14+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/vm:proxmox:pbs:performance?rev=1775735594&do=diff performance FS tuning PBS stores everything in files. Maximum file size is 4MB. * Block device backup is in 4MB chunks * File backup chunk varies from 64kB to 4MB Filesystems: * ZFS * special device * 128kB recordsize can cause write amplification for chinks smaller than 128kB text/html 2023-02-15T07:26:37+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/vm:proxmox:pbs:sync_last?rev=1676445997&do=diff Sync last N job How to make backup to backup ? Scenario where sync target has less disc space than “master” PBS server. NOT IMPLEMENTED NOW see Bug 3701 - proxmox-backup-manager pull: allow to specify which snapshots / vms are synced Workaround 1 * requires the same amount of space for while * sync all then prune Workaround 2 text/html 2026-04-18T07:21:28+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/vm:proxmox:pbs:verify?rev=1776496888&do=diff Verify Each verify job can be configured to setup: * read thread (1) - chunk readed * verify thread (4) - SHA calculation (CPU intensive) Tune for HDD and old Xeon CPU without sha_ni CPU instruction: * read thread - number of disc in pool *