zvol vs sparse-zvol vs file

[Allan Jude]

On 2019-04-14 12:19, Victor Sudakov wrote:
> Dear Colleagues,
> 
> Is there any difference in guest performance between zvol, sparse-zvol and file backends?
> 

File backed VM images will have more overhead since you use the VFS
layer and the filesystem, rather than just raw block storage.

There isn't really any difference between a zvol and a thin-provisioned
zvol, unless you run out of space (if you over-provision).

-- 
Allan Jude

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 834 bytes
Desc: OpenPGP digital signature
URL: <http://lists.freebsd.org/pipermail/freebsd-virtualization/attachments/20190414/17f2ebe4/attachment.sig>