we test pgpool-II with Shared Storage (Active-Standby)..

hi..

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we test pgpool-II  with   Shared Storage (Active-Standby)..

pgpool-II   test(192.168.2.99) 
Active         rac1 (192.168.2.61)
Stadnby     rac2 (192.168.2.71)

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we have question...

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when,  power-off rac1
-> pgpool-II   failover_command='/tmp/failover1.sh'  execute,
--> rac2  filesystem mount  (/u03/postgres), and  postgres start
--->and,   client can connect DB (in rac2)

<=== It's ok...

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and then, boot rac1,
and then , power-off rac2
-> pgpool-II  failover_command'/tmp/failover2.sh'  execute
--> rac1 filesystem mount    (/u03/postgres), and  postgres start ,
---> BUT, client can not connect DB (in rac1)

     <=== this is our problem..., 
     <=== so,  we restart  pgpool-II  (not postgresql)......     and then  client can connect DB...

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Could you teach me,   Is this expected behavior ?
and,
how can we overcome  this issue...

Thanks..