lraynaud at Barneki
Apr 12, 2002, 6:10 AM
Post #1 of 1
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Basic but strange: by Random doesn't work? Theo ?
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All,
Following up on myself on the issue described in the email below:
On the same config than below, byRandom appears to work fine on the
default apache cgi directory, into which I dit set the backhand cgi test
script.
- I tried also to use a complete different directory than the default
apache HTML directory: Still doesn't work.
- I tried to use Files instead of Directory: Doesn't work
- Manu other things: Doesn't work ;-)
Any suggestion?
Thx
Lionel
Lionel Raynaud wrote:
>
> We are actually building a two tiers solution using mod_backhand. In
> implementing this solution we found a behavior that sounds not clearly
> explainable (at least to us ;-). On the frontend servers the use of the
> following simple configuration:
>
> <Directory "/usr/local/apache-1.3.24/htdocs">
> #
> # This may also be "None", "All", or any combination of "Indexes",
> # "Includes", "FollowSymLinks", "ExecCGI", or "MultiViews".
> #
> # Note that "MultiViews" must be named *explicitly* --- "Options All"
> # doesn't give it to you.
> #
> Options Indexes FollowSymLinks MultiViews
> AllowOverride None
> Backhand byAge
> Backhand byRandom
> </Directory>
>
> <IfModule mod_backhand.c>
> ....
> MulticastStats 192.168.1.255:4445
> AcceptStats 192.168.1.0/24
> ...
>
> </IfModule>
>
> Either the default apache page is displayed properly, either a HTTP
> negative answer is received as:
>
> - "Not Acceptable"
> An appropriate representation of the requested resource /index.html
> could not be found on this server....
>
> - "Index of /"
> ...
>
> Note that if the Apache "Option Indexes" is not allowed, the HTTP
> negative answer is becoming "Forbiden (403) - You don't have permission
> to access / on this server..."
>
> Interesting too:
> - this behaviour is the same independently of the front-end servers
> queried, two in our tests.
> - This error does not appear as often IF we replace put byLoad instead
> of byRandom.
>
> -----------------------------------------------------------------
>
> Here a quick description of our topology:
>
> Frontend: 192.168.1.0/24 - backhend: 192.168.2.0/24.
>
> After a proper installation of apache-1.3.24 + mod_backhand-1.2.1 on
> multiple hosts (backend and/or frontend) (Solaris 8, 7, FreeBSD, Linux)
> we validated quickly the solution simply by connecting a browser to each
> apache servers on their <IP>:/backhand/. Outside of the bug with 0/0
> servers available,the multicasting of information is working perfectly.
>
> Afterwards, we focused on the front-end servers only and make our first
> test as described above. Just to clarify questions on this test, this is
> exactly what has been done:
>
> - We stopped the backend servers - Useless at this point -
> - Changed the front-end servers httpd.conf config to the one described
> below onthe 2 front-end: 192.168.1.10 & 192.168.1.20
> - Restarted the front-end
> - Validated that <IP>:/backhand/ is displaying the correct 2 servers
> - Use a browser on 192.168.1.101 on the same segment with No local
> browsing cache (netscape 6.2).
>
> Thx
>
> Lionel
>
>
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> backhand-users [at] lists
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