Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap, imap/ssl))
JCR> On Wed, 10 Oct 2001, Saku Ytti wrote:
>> We are looking replacement for SunCluster (2*e450) mail server and would
>> preferally like to do it with x86/linux cluster software can be commercial
>> or free.
>>
>> What software are currently used to build these? Requirment is that
>> the media is replicated and locking functions properly so we can pop
>> machines in/out and all user accounts/all mail still works only if
>> one server is pop out load on other machines just increses slightly.
>>
>> There can't be any SPOF.
JCR> This "single point of failure" made me wonder... is there such thing as a
JCR> network filesystem that can simultaneously write to two (or more) remote
JCR> servers?
AFAIK Corba provides such capability. It can be configured to store
data on several phisical server (with replication of data).
Another possible alternatives are Intermezzo and GFS.
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