Hibernation turned off?

tenashus1 · Jan 1, 2013

Just installed an SSD in my MBP. How do I know if hibernation is turned off? Does the blinking light indicate on the lower right front of the case indicate hibernation? I still have that even after entering the sudo command in terminal. I always keep my Mac plugged in, and kept on 24/7. Any input appreciated. Thanks.

McYukon · Jan 2, 2013

I'm not sure exactly what your question is, since your Mac will always be in some state of hibernation if you have the lid closed.

Run

Code:

pmset -g live

Look for the line:
hibernatemode
The number following hibernatemode will be one of the below.

hibernatemode = 0 (binary 0000) by default on supported desktops. The
system will not back memory up to persistent storage. The system must
wake from the contents of memory; the system will lose context on power
loss. This is, historically, plain old sleep.

hibernatemode = 3 (binary 0011) by default on supported portables. The
system will store a copy of memory to persistent storage (the disk), and
will power memory during sleep. The system will wake from memory, unless
a power loss forces it to restore from disk image.

hibernatemode = 25 (binary 0001 1001) is only settable via pmset. The
system will store a copy of memory to persistent storage (the disk), and
will remove power to memory. The system will restore from disk image. If
you want "hibernation" - slower sleeps, slower wakes, and better battery
life, you should use this setting.

I assume you have a SSD in the optical bay, so hibernatemode 0 is what you are looking for.
Otherwise OS X cannot find the sleep image when trying to wake up, since it always looks for the sleep image in the normal HD mount point.

Hibernation turned off?

tenashus1

McYukon

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