On Thursday 25 September 2003 11:45, [EMAIL PROTECTED] wrote:But still, wouldn't that keep the NAS as a single point of failure? Or is the NAS
it was probably my mistake, i said NAS, but i meant SAN (Storage Area Network).
implemented by some HA cluster of servers?
Also, the original author said, as far as I understood it, that when the backup
server moves to a separate location he won't be able to use the same IP (or
maybe he can channel the same IP over IP?)
what's not too good is that sessions are lost, so if youre application is stateful, your users will feel the crash that happened, while if it's stateless the damage will be much smaller.If your application is writen as a Java web-app then you can take advantage of
clustered Servlet engines, which enable sharing of sessions in a cluster, just
for this kind of situations (in addition to the scalability advantage).
Does PHP have such stuff?
--Amos
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