[PVE-User] Qcow2 and raw format, disk provisioning and SSDs

Emmanuel Kasper e.kasper at proxmox.com
Wed Nov 29 09:46:22 CET 2017

Hi Miguel
>> Something am I missing?
>> On the other hand, a few more questions:
>> - Should I move to RAW format? Pros? Cons? I have read that backups take
>> longer but performance boost is better.
choosing raw vs qcow2 is a performance vs features tradeoff
see the online pve reference documentation Qemu Chapter

you can optionnally activate a periodic option for the FS you put on top
of your SSD, see
https://wiki.archlinux.org/index.php/Solid_State_Drives#TRIM Periodic
Trim for details

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