yes, you're right, it's a single vdev. Of course more vdevs gives you better performance - and are more expensive when achieving the same level of redundancy.
In real life we're quite happy with our backup storage performance. We write backups...
try it! use the openZFS feature.
# https://openzfs.org/w/images/5/5e/RAIDZ_Expansion_2023.pdf
# https://freebsdfoundation.org/blog/openzfs-raid-z-expansion-a-new-era-in-storage-flexibility/
you can setup a files based zfs pool raidz2 and then...
Hi there,
does PBS 4 include a ZFS version that allows live expansion of a raidz2 pool with an additional disk? If so, has anyone successfully tried this yet?
Thanks and greets
Stephan
Side note from a not affected setup:
Our 3 node cluster (PVE/Ceph) is running PVE 8.4.x, last weekend (the gap in the chart below) we updated from kernel 6.8.12-11 to 6.8.12-13.
Our Ceph network is built on Broadcom P425G NICs.
Maybe that helps...