High availability ... again
ken at oceana.com
Tue Jun 29 10:09:46 EDT 2004
> Has anyone used GFS with cyrus?
Not GFS specifically, but Sun's QFS is being used. I'm certain that
SGI's CXFS would also work (although I haven't tested it).
> Could one theoretically create a
> redundant, loadbalancing cluster using two boxes, GFS and a SAN?
Yes, see my earlier post about the 2.3 branch.
> 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: shared
>>>>> 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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Kenneth Murchison Oceana Matrix Ltd.
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