High availability ... again
lee_hoffman at brown.edu
Mon Jun 28 10:46:30 EDT 2004
Has anyone used GFS with cyrus? Could one theoretically create a
redundant, loadbalancing cluster using two boxes, GFS and a SAN?
On Jun 28, 2004, at 9:43 AM, Etienne Goyer wrote:
> Ben Carter wrote:
>> Etienne Goyer wrote:
>>> Tore Anderson word of wisdom where :
>>>> There's a third option, which is the one I prefer the most:
>>>> block device.
>>> Well, I did not consider that option since the SAN become a single
>>> point-of-failure, and that is a big no-no according to the
>>> specifications I have at the moment.
>>> If it would have been possible, it would have been my first choice
>> Do you consider the SAN a SPOF even if you have multiple paths to it
>> from each server and it has no internal SPOF? If so, isn't your
>> cluster or your single physical location a SPOF?
> Two location, a single path (20 Mb/s) between the two. Thinking about
> it, the SPOF is actually the link between the two location. The
> situation is pretty much toasted as there cannot be a fully redundant
> setup. Case closed !
> On a similar note, RedHat have apparently bought Sistina, and GPLed
> GFS. This is great news for HA under Linux, IMHO. I will be testing
> it soon.
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