[pve-devel] Proxmox VE 4.0 beta2 released!

Gilberto Nunes gilberto.nunes32 at gmail.com
Fri Sep 11 15:54:01 CEST 2015


drbdmanage works perfect when I try remove "dead" volume... I used --force
option... I don't remember if this options already exist in previously
versions, but now I am able to remove volumes from drbd...

thanks

2015-09-10 12:05 GMT-03:00 Dietmar Maurer <dietmar at proxmox.com>:

> > qcow2, as a copy on write format, allows snapshots regardless of the
> > storage under it.
>
> Yes, and this functionality is implemented in qemu. But you cannot make
> snapshots when you use qemu-ndb (not supported by qemu-nbd).
>
> > Also qcow2 is thin provisioned, that means it grows as you add data
> > (doesn't shrinks automatically) whereas with raw the whole image size
> > gets allocated on creation.
>
> you can also create sparse 'raw' files.
>
> > qcow2 has some overhead in comparison to raw.
>
> and really much overhead if you use qemu-nbd.
>
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>



-- 

Gilberto Ferreira
+55 (47) 9676-7530
Skype: gilberto.nunes36
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