virtio rate limits for storage and network

[hk@]

Hi
in pve 3.1 I see a possible rate limit (MB/s) for the networkdevice. Could someone please elaborate whether this is MegaByte/second or MegaBit/second? And does this limit the allover traffic (in+out) or just one direction or both directions are limited to the value set for their respective transfers?

For the virtio disk the limits are also available and again I'd like to know if we're talking MegaBytes or MegaBits here.

While we are at it could someone explaing the caching-parameters really mean?

And finally some real-world-suggestions for the different disk-limits would be nice as an example how to do things right.

Thanks,
hk

 

[dietmar]

Hi
in pve 3.1 I see a possible rate limit (MB/s) for the networkdevice. Could someone please elaborate whether this is MegaByte/second or MegaBit/second?

MegaByte/second

And does this limit the allover traffic (in+out) or just one direction or both directions are limited to the value set for their respective transfers?

both directions are limited

For the virtio disk the limits are also available and again I'd like to know if we're talking MegaBytes or MegaBits here.

MegaBytes