[PVE-User] High I/O waits, not sure if it's a ceph issue.

jameslipski jameslipski at protonmail.com
Wed Jul 1 18:54:27 CEST 2020


Thank you, there is definitely an improvement to using krbd -- not seeing any i/o waits.



‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Tuesday, June 30, 2020 7:47 PM, Lindsay Mathieson <lindsay.mathieson at gmail.com> wrote:

> On 30/06/2020 11:09 pm, Mark Schouten wrote:
>
> > I think this is incorrect. Using KRBD uses the kernel-driver which is
> > usually older than the userland-version. Also, upgrading is easier when
> > not using KRBD.
>
> Older yes - Luminous (12.x)
>
> But it supports sufficient features and I found it considerably faster
> than the user driver.
>
> ----------------------------------------------------------------------------------------------------------------------------
>
> Lindsay
>
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