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Crashing/Restarting HP Microserver WHS2011 x64 - diagnostics attached
Summary: Unexpected reboot occurred with dump showing CRITICAL_OBJECT_TERMINATION bugcheck code 0x000000f4, pointing to ntoskrnl.exe. I'd be grateful for any pointers to where I should start, hopefully the diagnostics provided can tell you more than this.
System in question is an N40L HP Microserver - standard build except for the addition of 4GB extra RAM and 4 storage drives for media (2x3TB WD red, 2x1TB Samsung F3 - all SATA 7200rpm).
WHS 2011 x64 (based on Server 2008 I understand) with Drivebender providing drive pooling across the media drives, but not touching the OS drive. System drive is the supplied 250GB HP part (Seagate).
The system had been restarting every so often - commonly only once or twice a week, but occasionally several times within an hour when the server had some load. SMART errors started appearing on the system drive and the restarts became more common, so I've very recently had this replaced under warranty. The replacement drive appears to be brand new rather than refurbished, as far as I can tell, and it tests through SMART, chkdsk and Seatools as OK.
The server had been running for ~1 week straight since the drive replacement without a hiccup, until today when it restarted again, with the above error showing in the event log. I'm hoping this is tied to a driver issue rather than hardware now, but am not very familiar with the bug checking process or tools available, so your guidance would be very useful.