High availability tips & ideas

Georgatos Vaggelis vtb at noc.uoa.gr
Tue Feb 18 13:04:01 EET 2003


Kalhspera,
	Katarxhn to "koino" IP legete virtual.
Afto pou zita peri tou na ginontai pass ta states einai toulaxistwn
anefikto sto sxhma pou dia8etis/xrisimopoieis.
Gia na ginei kati tetio 8a prepei (me kapoio) tropo oi dyo kernels na
antalasoun synexos afth thn pliroforia. Einai ena trade off pou exeis se
afto to sxhma. Outos h allws oloi oi xristes kanoun reconect prin
skef8oun kati. Kata thn apopsh mou an se endiaferei to state "passing"
8a sou prwtina en (L)VS[0]/DR[1] sxhma, opou ousiastika to virtual IP
den to ma8enei pote o ekastote server. Vevaia ena tetio sxhma einai
arketa poio "akrivo" ...




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