Hi all,

We want to discuss the changing of the pve default I/O scheduler from CFQ to 
Deadline. I want to collect feedback, pros and cons here.

CFQ:
- only CFQ support priorities (ionice)

Deadline:
- No support for priorities but generally faster for KVM in some (or a lot of?) 
systems.

The scheduler can always be changed manually if the default is not suited (e.g. 
in /etc/default/grub).

What do you think about this? Please report your thoughts!

Martin





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