[Gluster-devel] Re: Help me make a configuration file

[Tsukasa Morii]

Let me explain a bit more.

> <2> All data written on the unified volume is copied to a different
> server by using a configuration file on server side.

In other words, I don't want a file under one unified volume to be
copied among four servers from the standpoint of network bandwidth,
but I need the minimum redundancy that sytem still works when one of
four servers stops, but donesn't work in case that two of four servers
fails.


2007/12/11, Tsukasa Morii <tsukasa.morii at gmail.com>:
> Hi,
>
> Please help me make a configuration file which meets the following
> specification. I could't understand if it is feasible with glusterfs, even
> though I spent a lot of time on it.
>
> [SITUATION]
> There are four servers named SERVER_1, SERVER_2, SERVER_3, and SERVER_4.
> There're also a few clients and each client unifies bricks exported
> from the servers.(One unified volume is made up at the client side)
> Name space of the unified volume is maintained on SERVER_1.
>
> In addition to the configuration above, I'd like to add two more
> functions.
>
> <1> The name space on SERVER_1 is replicated to Server_2 for the purpose
> of redundancy by using a configuration file on client side.
>
> <2> All data written on the unified volume is copied to a different
> server by using a configuration file on server side.
>
> e.c.
> Data_A written on SERVER_1 is copied to SERVER_2.
> Data_B written on SERVER_2 is copied to SERVER_3.
> Data_C written on SERVER_3 is copied to SERVER_4.
> Data_D written on SERVER_4 is copied to SERVER_1.
> [All data is maintained on two servers for redundancy.]
>