Comments on: Moving the hibernate image file on a MacBookPro… http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/ many a slip 'twixt mind and lip... Mon, 10 May 2010 22:46:00 -0600 hourly 1 http://wordpress.org/?v=3.0 By: Cloyce http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/comment-page-1/#comment-2248 Cloyce Thu, 08 Apr 2010 17:32:04 +0000 http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/#comment-2248 I had success moving the sleepimage file to a "non-root" volume. I think the man page is worded misleadingly... You probably can't move it to a volume that's not on the same disk as the root. I moved mine to /Volumes/Swap (a partition on my laptop's internal disk) and had no problems going to sleep or waking up. I made sure it used the hibernation file by removing power and battery after I put it to sleep. This is on a mid-2008 MBP. I had success moving the sleepimage file to a “non-root” volume. I think the man page is worded misleadingly… You probably can’t move it to a volume that’s not on the same disk as the root.

I moved mine to /Volumes/Swap (a partition on my laptop’s internal disk) and had no problems going to sleep or waking up. I made sure it used the hibernation file by removing power and battery after I put it to sleep.

This is on a mid-2008 MBP.

]]> By: nigel kersten http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/comment-page-1/#comment-2081 nigel kersten Fri, 04 Dec 2009 15:58:54 +0000 http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/#comment-2081 This is a better description of those numbers by the way: <blockquote> # 0: disable hibernate # 1: hibernate instantly on lid shut # 3: hibernate when asleep and power removed (default) # 5: hibernate instantly on lid shut and ensure decrypted swap # 7: hibernate when asleep and power removed and ensure decrypted swap </blockquote> From waht I understand, laptops were defaulting to 5 because secure VM didn't work with hibernatemode initially, but this was later fixed, so 5 and 7 are actually more insecure modes. I haven't tested moving the hibernatefile since I first wrote this post over 3 years ago :) so it's entirely possible it was broken at some point since then, but it was working for me in those heady days of 2006, when Justin Timberlake was Sexyback. This is a better description of those numbers by the way:

# 0: disable hibernate
# 1: hibernate instantly on lid shut
# 3: hibernate when asleep and power removed (default)
# 5: hibernate instantly on lid shut and ensure decrypted swap
# 7: hibernate when asleep and power removed and ensure decrypted swap

From waht I understand, laptops were defaulting to 5 because secure VM didn’t work with hibernatemode initially, but this was later fixed, so 5 and 7 are actually more insecure modes.

I haven’t tested moving the hibernatefile since I first wrote this post over 3 years ago :) so it’s entirely possible it was broken at some point since then, but it was working for me in those heady days of 2006, when Justin Timberlake was Sexyback.

]]> By: nik http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/comment-page-1/#comment-2077 nik Fri, 04 Dec 2009 03:56:50 +0000 http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/#comment-2077 So yeah, I tried this, doesn't work on my MacBook Pro. The system goes into hibernation, and appears to write the hibernate file as far as I can tell, but when it tries to start from the hibernate file it crashes, then instantly restarts. The effect is one grey screen - when it tries to wake from hibernate - followed by a black screen as the system restarts and boots normally. This is on a 2009 unibody MacBook Pro 17" Oh, well. So yeah, I tried this, doesn’t work on my MacBook Pro. The system goes into hibernation, and appears to write the hibernate file as far as I can tell, but when it tries to start from the hibernate file it crashes, then instantly restarts. The effect is one grey screen – when it tries to wake from hibernate – followed by a black screen as the system restarts and boots normally. This is on a 2009 unibody MacBook Pro 17″

Oh, well.

]]> By: nigel kersten http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/comment-page-1/#comment-1930 nigel kersten Tue, 17 Nov 2009 15:08:42 +0000 http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/#comment-1930 I think they updated that man page after I initially posted this. I've had problems moving it to a non-root volume, but YMMV :) I think they updated that man page after I initially posted this.

I’ve had problems moving it to a non-root volume, but YMMV :)

]]> By: nik http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/comment-page-1/#comment-1905 nik Mon, 16 Nov 2009 08:50:14 +0000 http://explanatorygap.net/2006/06/08/moving-the-hibernate-image-file-on-a-macbookpro/#comment-1905 man pmset reveals that hibernatefile should only be on "the root volume". hibernatefile - change hibernation image file location. Image may only be located on the root volume. Please use caution. (value = path) However, since pmset allows me to set it to a non-root-volume file, I assume it's OK?! man pmset reveals that hibernatefile should only be on “the root volume”.

hibernatefile – change hibernation image file location. Image may only be located on the root volume. Please use caution. (value = path)

However, since pmset allows me to set it to a non-root-volume file, I assume it’s OK?!

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