Hi,
I just did a new installation of Proxmox and selected ZFS mirror with 2 SSDs during the installation. I used the default values with ashift 12.
Unfortunately, the 4k read/write performance is increadable slow compared to mdadm raid 1.
On mdadm1 I had around 100k IOPS with 4k block size. Now with zfs it's 10k and I can't figure out why. I always use the default settings from proxmox.
Disks are:
SAMSUNG MZQLB960HAJR-00007
SAMSUNG MZQLW960HMJP-00003
This is on mdadm:
Read more
I just did a new installation of Proxmox and selected ZFS mirror with 2 SSDs during the installation. I used the default values with ashift 12.
Unfortunately, the 4k read/write performance is increadable slow compared to mdadm raid 1.
On mdadm1 I had around 100k IOPS with 4k block size. Now with zfs it's 10k and I can't figure out why. I always use the default settings from proxmox.
Disks are:
SAMSUNG MZQLB960HAJR-00007
SAMSUNG MZQLW960HMJP-00003
This is on mdadm:
Code:
fio Disk Speed...Read more