why is my search not returning any output ?

[vmallipe]

Hi There,

I'm pretty new to the splunk. we have 3 physical splunk servers and all the forweders are forwarding to 1 and 2. All of sudden some searchs stopped working and rest are working fine. Dont know where to start from. Any help is much appreciated.

Thanks in Advance.

[Takajian]

Splunk internal log is logging in /$SPLUNK_HOME/var/log/splunk/splunkd.log. Please confirm if there is any error or crash.

[mw]

Have you tried running the searches which no longer work against a time frame where they were known to work to see if it's the search or the data?