ZFS causes unwanted disk activity

[Jorge Ventura]

After boot, I did wait for several minutes without start any VM or CT but observed too much disk activity when there is nothing running, only proxmox services.

I am using RAIDZ1 spread in 6 disks.

Anyone had similar experience ? Is this something normal ?

This is the IOSTAT and there is no significant difference when the drives are active. Sometimes the disks get inactive for 1 second and then return to get active for several seconds.

 

[shanreich]

There is not really disk activity on the screenshot? Nevertheless, if you want to check what is causing the writes you could use iotop [1] to see which processes are writing.

[1] https://packages.debian.org/bullseye/iotop

 

[Jorge Ventura]

There is not really disk activity on the screenshot? Nevertheless, if you want to check what is causing the writes you could use iotop [1] to see which processes are writing.

[1] https://packages.debian.org/bullseye/iotop

I will check the way you suggested.

Thank you for the quick reply.