[PVE-User] Slow speeds when KVM guest is on NFS

Brian :: bc at iptel.co
Tue Nov 15 22:35:55 CET 2016


Ignore my reply - just reread the thread fully :)

NFS should work just fine.. no idea why you are seeing those lousy speeds.


On Tue, Nov 15, 2016 at 9:33 PM, Brian :: <bc at iptel.co> wrote:
> 90.4 MB/s isn't that far off.
>
>
> On Tue, Nov 15, 2016 at 5:25 PM, Mikhail <m at plus-plus.su> wrote:
>> On 11/15/2016 06:09 PM, Gerald Brandt wrote:
>>> I don't know if it helps, but I always switch to NFSv4.
>>
>> Thanks for the tip. This did not help. I also tried with various caching
>> options (writeback, writethrough, etc) and RAW disk format instead of
>> qcow2 - nothing changed.
>>
>> I also have LVM over iSCSI export to that Proxmox host, and using LVM
>> over network (to the same storage server) I'm seeing expected speeds
>> close to 1gbit.
>>
>> So this means something is either wrong with NFS export options, or
>> something related to that part.
>>
>>
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