Re: [9fans] FileServer grid

[Uriel <uriel99@gmail.com>]

The link is *not* broken, plan9.bell-labs.com is, sadly and
unsurprisingly, broken.

uriel

On Sat, Feb 7, 2009 at 6:32 PM, Giacomo Tesio <giacomo@tesio.it> wrote:
> I'd like to move our softwares to Linux + Apache (where mounting a 9p
> fileserver would be easy), but actually it's a Windows + IIS.
>
> I would write a session state service for ASP.NET connecting it in 9p (using
> c# and the 9pc implementation linked by
> http://9p.cat-v.org/implementations... actually the link is broken...)
>
> If the filesystem grid work as I've understood, there would be only ONE
> filesystem.
>
> So, saving session state in the grid would make it available to all web
> servers connected to the filesystem, allowing load balance and high
> availability for the web servers (when one crash, the user sessions it was
> handling would be available to the others web server).
>
> But what if a node of the grid goes down? There would be a way to keep files
> in it replicated in other cpu node?
>
>
> Giacomo
>
> On Fri, Feb 6, 2009 at 11:41 PM, Roman V. Shaposhnik <rvs@sun.com> wrote:
>>
>> On Fri, 2009-02-06 at 23:26 +0100, Giacomo Tesio wrote:
>> > Hello every one...
>> > In a context of really heavy load and high availability needs, I'm
>> > evaluating plan 9 to implement a fileserver grid to be used by a web
>> > server for temporary storage (session's serializations, for example).
>>
>> What OS do you web servers run under?
>>
>> > I'd like to build a Plan 9 grid exposing a unique filesystem mounted
>> > by all the web servers.
>>
>> Are you going to talk to this filesystem using 9P or something else?
>>
>> > Each session could be accessible from any web server instantly, but
>> > what if a fileserver in the grid break?
>> > Is there a way to mantain such a session (actually the file storing
>> > the session data) available by keeping it sincronized beetween the
>> > Plan 9 fileservers?
>>
>> This is unclear. Please restate.
>>
>> Thanks,
>> Roman.
>>
>>
>
>