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This question was originally posted on DCIM Support by Garry Priestland on 2018-10-05
We have had 2 DCE servers in the last 24 hours that suddenly started sending 1000's of alert emails out to all email recipients. I personally got over 50000 from them
We have seen this before on servers with high uptime (both of these were reporting 497 days uptime). Both are running on 7.4.3 of DCE. I was under the impression this issue had been resolved after 7.2.5, but I guess not.. All the emails report that the email is repeat number 32xxx - the last 3 digits seem to be different on each server.
None of the alert action are set to repeat. Due to our experience of seeing this issue before we set up the emails we receive to show the repeat number, since this seems to identify this specific issue is occurring
The emails are relating to historical events and it seems as though DCE is going through the whole history of alerts and resending emails for all of them.
In the past this has been resolved by rebooting the server.
However this did not work for one of them as the postgresql service would not start
The capture logs showed that the var folder was full and since I had previously (luckily) been provided with the root password for this server I went through the procedure provide by Schneider to empty the logs from var/ folder. This was successful and the server restarted properly.
The second server did restart normally without needing the root password, which was lucky since I don't have the root password for that one!
So here come the questions:-
What causes the issue that makes DCE send out 1000's of emails?
Has this issue been resolved in 7.5.0?
Why does the var/ folder get filled up?
Is the issue regarding the var/ folder getting filled up resolved in 7.5.0?
Since the uptime was reporting as 497 days does this mean that when installing updates and the server says it is rebooting that it does ot really reboot the whole OS? I don't think it is 497 days since this server was updated to 8.4.3.
Most importantly:-
Can you provide the root password for the 2 other servers this customer has to allow us to get them back on line quicker? (I know you don't like to give these out but please note we are an Elite partner not an end user, and we just want to support our customers...)
What do we do if we see this issue again on a server we do not have the root password for? How do we get this issue resolved quickly? As a partner can you provide quick access to this type of requirement?
If I had not got the root password from a previous issue the server would have been offline for several hours whilst we tried to either get the root password or asked Schneider to correct the var/ folder issue. And at the end of all this we would have had an extremely unhappy customer..
If it helps I can provide the capturelogs etc for both servers.
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