[p4] Using p4jrep for a hot standby

Jason Dillon Jason.Dillon at paybytouch.com
Wed Oct 12 11:18:51 PDT 2005

Unless your raid dies... In that sit it would be better to have 2 isolated systems and replicate. 


-----Original Message-----
From: perforce-user-bounces at perforce.com <perforce-user-bounces at perforce.com>
To: Neil Carson <ncarson at everdreamcorp.com>; perforce-user at perforce.com <perforce-user at perforce.com>
Sent: Wed Oct 12 09:06:37 2005
Subject: RE: [p4] Using p4jrep for a hot standby

Why not just have them share an external raid array and eliminate the risk of mirroring metadata and depot files?
That way all you would have to do is start the p4d service on the "Hot" spare and your off.
-Shawn J>

	-----Original Message-----
	From: perforce-user-bounces at perforce.com [mailto:perforce-user-bounces at perforce.com]On Behalf Of Neil Carson
	Sent: Tuesday, October 11, 2005 8:01 PM
	To: perforce-user at perforce.com
	Subject: [p4] Using p4jrep for a hot standby

	Greetings and good evening,


	My first post to the list. We’re just working on a new perforce installation here at Everdream.


	I’ve purchased two different machines, one as a primary perforce server, one as a hot or “warm” standby – preferably a hot one. Both are fairly high end Linux/Opteron machines.


	In the case of a hot standby, I was looking at p4jrep. It seems to do a good job of making sure the second machine’s metadata is accurately mirrored. What I wasn’t sure of in this picture is how to then also mirror the versioned files to the second machine – rsync periodically, or another method?


	What approaches have you typically used successfully in this configuration? Any advice much appreciated.






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