From 542343def56bbb8c84fd8f730a53379f78c269e3 Mon Sep 17 00:00:00 2001 From: Matt Taggart Date: Tue, 17 Apr 2012 23:10:09 -0700 Subject: document $stagger option --- README | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/README b/README index 5b7c2c9..00f33d5 100644 --- a/README +++ b/README @@ -150,3 +150,16 @@ To use this feature a few pre-requisites are necessary: . $nagios_server must be set before the class is included +Staggered rdiff backups +----------------------- +Because the backups default to running on all hosts at the same time, +this can cause the destination of an rdiff backup to be overwhelmed. +If you set the $stagger variable, the rdiff config will get a "when" +that starts it at 1am plus some number of minutes from 0-59 based on +it's hostname. This assures that each host will always get the same +start time every time the template is generated, and the hosts will +run in alphabetical order. It will only stagger backups as much as +your hostnames are distributed, in most cases this will enough better +than everything starting at once. But if all your hostnames start +the the same letter it might not help you and you might be better +off having the template use a random delay. -- cgit v1.2.3