Re: [Veritas-ha] wac question and suggestion

2009-05-14 Thread Gene Henriksen
Having taught Global Clustering and its predecessor, I would prefer to
see WAC have the ability to failover from one IP to another or make
multiple connections over 2 or 3 IPs for higher redundancy. Keep in mind
that DR is not HA  If the WAC loses the connection, you would get
notification and can fix the problem or online SGs at the remote site as
appropriate.

 



From: veritas-ha-boun...@mailman.eng.auburn.edu
[mailto:veritas-ha-boun...@mailman.eng.auburn.edu] On Behalf Of Pavel A
Tsvetkov
Sent: Wednesday, May 13, 2009 9:56 AM
To: veritas-ha@mailman.eng.auburn.edu
Subject: [Veritas-ha] wac question and suggestion

 


Hello all! 


Only WAC now ensures communication between clusters. But it is not
always good.  If WAC is broken  it is still possible to use heartbeats
(through SRDF ping or steward) but there is no other ways of starting
service groups on remote cluster. I don't mean Auto failover option
between clusters which is not recommended by Symantec, 

If steward could handle service group information between clusters .
It could be really a useful thing! 

Kind regards, Pavel Tsvetkov 






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Re: [Veritas-ha] wac question and suggestion

2009-05-14 Thread Pavel A Tsvetkov
failover from IP to IP is a good thing, agree with you. But if  we could 
use steward as a mediator and an arbitrator for cluster service groups it 
might give you
more possibilities for auto failover in CONNECTED mode

Gene Henriksen gene_henrik...@symantec.com написано 14.05.2009 
15:33:28:

 Having taught Global Clustering and its predecessor, I would prefer 
 to see WAC have the ability to failover from one IP to another or 
 make multiple connections over 2 or 3 IPs for higher redundancy. 
 Keep in mind that DR is not HA  If the WAC loses the connection, you
 would get notification and can fix the problem or online SGs at the 
 remote site as appropriate.
 
 
 From: veritas-ha-boun...@mailman.eng.auburn.edu [mailto:veritas-ha-
 boun...@mailman.eng.auburn.edu] On Behalf Of Pavel A Tsvetkov
 Sent: Wednesday, May 13, 2009 9:56 AM
 To: veritas-ha@mailman.eng.auburn.edu
 Subject: [Veritas-ha] wac question and suggestion
 
 
 Hello all! 
 
 
 Only WAC now ensures communication between clusters. But it is not 
 always good.  If WAC is broken  it is still possible to use 
 heartbeats (through SRDF ping or steward) but there is no other ways
 of starting service groups on remote cluster. I don't mean Auto 
 failover option between clusters which is not recommended by Symantec, 
 
 If steward could handle service group information between clusters 
 . It could be really a useful thing! 
 
 Kind regards, Pavel Tsvetkov 
 
 
 

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