Am 29.04.26 um 14:39 schrieb Heitor Faria:
Hello Stefan,
Things work, but I only see around 50-70 MB/s for backups.
You obviously have a bottleneck. You need to start measuring: network
(iperf); disk writes, reads, your tree walk (e.g. time find /your/path -
type f > /dev/null) etc.
I replaced the virtual disk controller in the client from virtio to scsi.
And enabled SSD emulation for that disk.
Changed little ... the disk is read with around 70 MB/s according to
atop -> shown as "busy 80%" (with virtio it was even higher).
I also checked the mount options for things like "noatime" (ext4).
SSD Emulation might be wrong:
I didn't configure that server, so I just found that the larger
datastore consists of HDDs: 4x Seagate Exos 28 TB in some kind of ZFS
pool (!) with raidz2, as far as I see.
hm, this might be the reason for some unwanted overhead here.
Let me repeat: not my idea, not my setup ;-)
By coincidence, I just published my personal Proxmox Backup Plugin for
Bacula Community, which supports the latest Proxmox Backup APIs and
provides all PBS functions too: https://www.linkedin.com/posts/
heitorbacula_podheitor-plugin-de-backup-replica%C3%A7%C3%A3o-
activity-7455206154382782464-6GS_?
utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAACcSp4BYjaTUSVxav5iossfBRxcPrLdSJM <https://www.linkedin.com/posts/heitorbacula_podheitor-plugin-de-backup-replica%C3%A7%C3%A3o-activity-7455206154382782464-6GS_?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAACcSp4BYjaTUSVxav5iossfBRxcPrLdSJM>
PVT if you want to test it.
thanks, not right now.
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