EMC QLA22xx User Manual

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Configuring an EMC Boot Device
Boot Crashdump 
Save to Disk 
Behavior
If you system is configured to write crashdumps after system failures, 
and the host is configured to boot from the array, you will be able to 
successfully save the crashdump only on the original available boot 
device path on which the system started. This is a Windows 
limitation, and installing PowerPath will not affect this behavior. At 
the time a system crash is to be written to disk, Windows has already 
saved the original boot path, and PowerPath cannot redirect the 
crashdump file (
MEMORY.DMP
) to an alternative available device. If 
you have a configuration for which you want to capture a 
crashdump, you should ensure that the original primary boot path is 
available at the time of the crash.