Hi, I'm finding that shadowing is suppressing notification for failed servers that are plugged into a switch that's also being monitored by InterMapper.
If the server is powered off, or the Ethernet cable is unplugged, the switch reports that the link is down. InterMapper dutifully marks the link as down and shadows the server, and no notification is sent. There's no notification about the failed link, either, so I never get notified at all. I'm not sure if this is a bug or not - this is how shadowing is supposed to work. However, the emergent behavior is clearly undesireable. I can't find a way to set a notification on a link or a network, which would fix the problem. Maybe I missed it? I suppose I could have InterMapper notify me each time the switch has an alarm condition, but there are usually a number of unimportant devices plugged into the switches besides the server(s) I am monitoring. I only want notifications to happen on the important devices. I suppose I could have a separate map with only the notification-worthy devices, but really - shouldn't I be able to do per-device notification? Any hints would be welcome. As an enhancement request, perhaps the notification algorithm could be modified to check the notification status of every shadowed device, and send only the minimum number of pages to alert everyone. For example, let's say that there's a switch A1, managed by Ann, with three servers B1, B2, and C1 plugged into it, managed by Beth and Charlene. Each of these devices have a pager notification attached to them to page the device's manager. If someone turns off server B1, Beth should be paged with the message that her server's behind a dead link. If someone turns off servers B1 and B2, Beth should be paged twice, once for each server. (Two separate events.) If someone turns off all three servers, Beth should receive two pages and Charlene should receive one. If someone turns off the switch, then Ann, Beth, and Charlene should each get one page. Ann is told that the switch is down, and Beth and Charlene are told that they each have at least one server behind the dead switch. Ann gets paged first. Note that if Ann is managing everything, only one page is sent to Ann saying that the switch is down. Perhaps the page should include a list of every device that's down, up to the size of one pager message. Perhaps it should just say "other devices affected". Would this work for everyone else? Too much paging? Stupid idea? Outside the scope of InterMapper? Thanks, Doug -- Doug Weathers, Network Administrator St. Charles Medical Center ____________________________________________________________________ List archives: http://www.mail-archive.com/intermapper-talk%40list.dartware.com/ To unsubscribe: send email to: [EMAIL PROTECTED]
