Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-11 Thread Michael Wood
On Wed, Oct 10, 2001 at 08:31:01AM -0400, Peter Billson wrote: Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some heartbeat between fileservers could alert it when back up and then

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-11 Thread Michael Wood
On Wed, Oct 10, 2001 at 08:31:01AM -0400, Peter Billson wrote: Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some heartbeat between fileservers could alert it when back up and then

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap, imap/ssl))

2001-10-10 Thread Ilya Martynov
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

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-10 Thread Peter Billson
Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some heartbeat between fileservers could alert it when back up and then make sure that the particular filesystem is properly updated. What

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-10 Thread Florian Friesdorf
On Wed, Oct 10, 2001 at 08:31:01AM -0400, Peter Billson wrote: Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some heartbeat between fileservers could alert it when back up and then

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-10 Thread Florian Friesdorf
On Wed, Oct 10, 2001 at 08:24:10PM +0200, Florian Friesdorf wrote: On Wed, Oct 10, 2001 at 08:31:01AM -0400, Peter Billson wrote: Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3,imap,imap/ssl))

2001-10-10 Thread B.C.J.O
On Wed, 10 Oct 2001, Florian Friesdorf wrote: On Wed, Oct 10, 2001 at 08:31:01AM -0400, Peter Billson wrote: Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some heartbeat between

duplicate network filesystems (was: HA mailserver (smtp, pop3, imap, imap/ssl))

2001-10-10 Thread Jeremy C. Reed
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

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap, imap/ssl))

2001-10-10 Thread Ilya Martynov
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

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-10 Thread Peter Billson
Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some heartbeat between fileservers could alert it when back up and then make sure that the particular filesystem is properly updated. What

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-10 Thread Florian Friesdorf
On Wed, Oct 10, 2001 at 08:31:01AM -0400, Peter Billson wrote: Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some heartbeat between fileservers could alert it when back up and then

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-10 Thread Florian Friesdorf
On Wed, Oct 10, 2001 at 08:24:10PM +0200, Florian Friesdorf wrote: On Wed, Oct 10, 2001 at 08:31:01AM -0400, Peter Billson wrote: Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some

Re: duplicate network filesystems (was: HA mailserver (smtp, pop3, imap,imap/ssl))

2001-10-10 Thread B.C.J.O
On Wed, 10 Oct 2001, Florian Friesdorf wrote: On Wed, Oct 10, 2001 at 08:31:01AM -0400, Peter Billson wrote: Then if one fileserver was down (even temporarily), then all the other fileservers (all four) would have to queue a message about the data and task and some heartbeat between