Hyper-V hosts losing disks – home lab Synology DS412+ NAS

While setting up my home lab, I did not bother/think to check if the NAS was going to hibernate itself or its disks after a period of inactivity. Sure enough after I built my cluster + SCVMM + what not, the hosts would drop their disks – PDL. Fix?

The disks were meant to hibernate after 20 mins of activity by default. I went into the Control Panel > Hardware & Power > HDD Hibernation and un-checked “Enable advanced HDD hibernation to minimize power consumption for DS412+:

Synology1

All’s been well since. Full steam ahead!

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