Give this a try: (index=main) sourcetype=perfmon:LogicalDisk instance!=_Total instance!=Harddisk*
| eval FreePct-Other=case( match (instance, "C:"), null(), match(instance,"D:"), null(),true(),storage_free_percent), FreeMB-Other=case( match (instance, "C:"), null(), match(instance,"D:"), null(), true(),Free_Megabytes), FreePct-{instance}=storage_free_percent,FreeMB-{instance}=Free_Megabytes
| search counter="% Free Space" ``` why is this not in the index search? ```
| eval data=strftime (_time,"%Y-%m-%d %H:%M:%S") . "|" . instance . "|" Value
| stats values(data) as data by host
| mvexpand data
| tail 3
| eval data = split(data, "|")
| eval Time = mvindex(data, 0), Drive = mvindex(data, 1), "Free%" = mvindex(data, 2)
| rename host AS "Host"
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