Hi Getting the below event ID, Is this the Hard ware (disk) issue? How to troubleshoot?
event ID 509
Information Store (3148) First Storage Group: A request to read from the file "D:\Exchsrvr\MDBDATA\Fourth\Adyard-fourth Mailbox Store.edb" at offset 63357337600 (0x0000000ec0644000) for 4096 (0x00001000) bytes succeeded, but took an abnormally long time (101 seconds) to be serviced by the OS. In addition, 42 other I/O requests to this file have also taken an abnormally long time to be serviced since the last message regarding this problem was posted 28130 seconds ago. This problem is likely due to faulty hardware. Please contact your hardware vendor for further assistance diagnosing the problem.