[Gluster-devel] hight availability + (afr & striping & Unify)

[Krishna Srinivas]

Victor,
Can you paste spec files? and which version are you using?
Krishna

On Wed, Jun 11, 2008 at 1:54 PM, Victor San Pedro <vsanpedro at bioalma.com> wrote:
>
> Hello.
>
> Finally I managed to obtain good time results with my old computers with
> the booster volume in "unify" over "afr"...
> It was important for me to obtain these sort of result with old machines...
>
> Problems came later.
>
> "A" - If I make "unify" over "afr" and afterwards "striping" when I want
> to read a file I obtain a read error by permissions.
> I have checked the permissions and are ok. What could be wrong with this
> configuration?
> Please, have you seen configuration "A" working properly at your tests?
>
> "B" - If I make "unify" over "striping" and afterwards "afr", I can read
> the files, but the storage (because of the final striping) of the files
> seems not redundant, therefor not high availability...
>
> My configuration
>
> #
> #       server1-------                           ---
> #                            | str1&afr0            |
> #       server2 ----------                        |
> #                            |    |                        | Unify
> #       server3 ------    |str2&afr1        |
> #                                 |                        |
> #       server4 ----------                      ---
>
>
> Do you know how can I obtain high availability with the following
> prerequisites?
> 1) I need to read the files balanced. (2MB from one server, afterwards
> other 2MB from other server and so on) -> Striping
> 2) Writting of files have to be balanced to my "afr" volumes -> Unify
> over afr
>
> Thank you very much.
> Víctor.
>
>
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