A while back I posted about a Replay report that I wrote to help me monitor the multiple Replay servers we have deployed globally. It was a good first effort and was useful, but having to engage my brain first thing in the morning to read (and more importantly actually comprehend) the emailed reports eofre my second cup of coffee was less than ideal.
Thwe original idea behind generating the report was to have the info come to me rather than logging into multiple servers and firing up the console multiple times (what can I say I’m lazy).
The report in the first version of the script was straighforward text. Recently I’ve been looking into and thinking about different ways to present the information in the report so I could just sort of glance at it and get the status. The disk related portion of the report wasn’t initially where I was focusing my attention. I was more interested in being able to get a quick idea of where we stood with the # of Recovery Points we were expecting to have. An example of one of the simple reports is below. From this we can see that we’re in pretty good shape with 100% valid RPs spanning about 24 days.
Starting Script at 04/30/2009 23:20:12
Replay Service is running
Server mailserver.company.com snapshots are being stored on R: and currently using 818.54GB. This is 99.98% of the used space(818.68GB) on the volume which is 1,360.22GB
The drive currently has 39.81% free space (e.g. 541.54GB)
Number of reported Recovery Points is 395 of these 395 are valid, and 0 are invalid (100.00%).
The valid RPs span 23.98 days
The most recent valid RP was taken 1 Minutes ago
The issue becomes less clear when invalid RPs occur for whatever reason. If I have 395 RPs and only 250 of the are valid is that a good or bad state? It’s not immediately clear but one can log in to the Replay server and get a better idea of how things stand. It might be the case where there was network issue during the day and instead of 96 RPs (that’s an RP every 15 minutes * 24 hrs) for each of the last three days we’ve only gotten 40 RPs each of those days which while less than ideal might still be an okay state. Or it could be that there are several days for which we don’t have RPs.
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