Re: [MooseFS-Users] Upgrade from 2.0.81 to 2.0.88 to 3.0.77

[web u. <web...@gm...>]

Thanks again. You guys are great...

I meant when I upgrade the chunk servers to 3.x is there any chance that
they will not recognize the data format from the 2.x chunk servers?



On Thu, Jun 9, 2016 at 9:38 AM, Piotr Robert Konopelko <
pio...@mo...> wrote:

> Hi,
>
> @1. The issue is, that newer (3.0.x) MooseFS Clients are not able to
> "talk" with old (2.0.x) MooseFS Master Server (Client returns error:
> "incompatible Master version").
>
> Actually there is no problem when you follow our guidelines from "Upgrade
> Guide" - I mean do the upgrade in supported order (1. Master Server, cli,
> cgi, cgiserv, 2. Metaloggers, 3. Chunkservers, 4. *Clients / Mounts* -
> they should be upgraded *at the end*).
>
> Of course 2.0.x Clients can connect to 3.0.x Master Server.
>
> @2. I'm not sure what did you mean - could you be more precise?
>
> Best regards,
>
> --
> [image: MooseFS] <https://moosefs.com>
>
> Piotr Robert Konopelko
> MooseFS Technical Support Engineer
> e-mail : pio...@mo...
> www : https://moosefs.com
>
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> On 09 Jun 2016, at 3:24 PM, web user <web...@gm...> wrote:
>
> Thanks for the quick server. Couple of quick followup questions:
>
> 1. What was the problem people were referring to with mounts not
> recognized?
> 2. Is the chunk server format still the same?
>
>
>