On Oct 4, 2012, at 2:58 PM, Mircea Markus <[email protected]> wrote:

> Hi,
> 
> Re: https://issues.jboss.org/browse/ISPN-2320
> 
> Here is a list of admin operations I'd like to implement for ISPN-2320:
> - status: shows a map with all defined sites and their status: available xor 
> offline
> - takeOffline: takes a site offline, i.e. backup to that site is ignored
> - takeOnline: the reverse to takeOffline
> - amendTakeOffline (int:afterFailures, long:minTimeToWait): changes the 
> takeOffline functionality[1]
> - statistics: numberOfBackupCalls, successfullBackupCalls, failedBackupCalls
> 
> Each of the  operations that modify configs  would be available on a per node 
> or on a per cluster basis (a flag to the operation would differentiated 
> between the two).

^ I guess not, but just wondering if those modifications would be persisted in 
the XML config if there's any? That needs to be clearly defined.

> How does that sound? Any other operations you might think of?
> 
> [1] 
> https://docs.jboss.org/author/display/ISPN/Cross+site+replication#Crosssitereplication-Takingasiteoffline

I understand afterFailure, but I don't understand minTimeToWait. What is 
minTimeToWait really used for? " the minimal number of millis to wait…" - wait 
for what?

And is it its use mutually exclusive from afterFailure? IOW, does it make sense 
to configure both at the same time? Or if you configure one, the other is not 
used, and viceversa? Judging from the comments it sounds they're mutually 
exclusive, in which case adding both as XML properties of the same XML element 
doesn't sound like a good idea.

Cheers,

> 
> 
> Cheers,
> -- 
> Mircea Markus
> Infinispan lead (www.infinispan.org)
> 
> 
> 
> 
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--
Galder Zamarreño
[email protected]
twitter.com/galderz

Project Lead, Escalante
http://escalante.io

Engineer, Infinispan
http://infinispan.org


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