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#16
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Windows 7 and hibernation
On Wed, 24 Nov 2010 19:20:59 -0800, Gene E. Bloch wrote:
On Wed, 24 Nov 2010 20:23:44 -0600, R. C. White wrote: ?Hi, Gene. I *never* use hibernation :-) Then you may as well delete that dormant file and stop wasting disk space. As I recall, disabling hibernation does not erase the file; it just stops using it. If the file does not exist when Win7 wants to hibernate, it simply creates a new hiberfil.sys, almost as large as the installed RAM, so that it can store the full contents of memory to be reloaded when it wakes up from hibernation. The file has Hidden and System attributes, and is always in the Root of the Boot Volume (typically C:\hiberfil.sys). RC When I'm down to where that ~2.85 GB matters to me, I'll either take your advice or buy a new computer :-) If (before deleting it in your reply) you read the report I posted, you'd see that hibernation is available on this computer. I have no idea whether that means it's enabled in hardware but not in software, or enabled in both. If the latter, either installing Win 7 reenabled it, or my attempt to disable it failed. It doesn't show in the start menu. Obviously I didn't much care, although at this point it is becoming of academic interest. Maybe. -- R. C. White, CPA San Marcos, TX Microsoft Windows MVP (2002-9/30/10) Windows Live Mail Version 2011 (Build 15.4.3502.0922) in Win7 Ultimate x64 SP1 RC "Gene E. Bloch" wrote in message .. . On Wed, 24 Nov 2010 09:33:25 -0600, R. C. White wrote: ?Hi, Gene. OTOH, I thought I had hibernation disabled. Also, I installed Win 7 a while ago, and the date on the hiberfile is 1/11/10 (January 11, not November 1). Maybe it was created under Vista. The two Hidden, System files hiberfil.sys and pagefile.sys should always be dated today, at the time the computer was turned on and Windows was started. Mine both now read "11/24/10 7:04 AM". So, perhaps you do have hibernation disabled. Or perhaps I haven't hibernated my computer since Jan 11...which was (possibly) when I (or the Win 7 installer?) enabled it. I *never* use hibernation :-) No particular reason. I just don't. I had to do a bit of learning. I set "hibernate" as the power button action, but it failed to hibernate. The properties of hiberfile still showed January as the creation date and the last access date, but the modified date was 10 hours ago (that's what it said on the general tab; the details tab was more exact). Clearly the computer only slept. Clever Hans - I rebooted, and this time the modified date was the time of that reboot. The previous reboot time had been 10 hours ago, of course. Now when I tried to hibernate, the hiberfile was indeed modified at the hibernation time. I tried hibernating a couple more times, but the file did not get a new modification time. Just for fun, I also turned hibernation off at the command prompt, looked at powercfg -a, then turned it back on and looked again at that status, just so I could see what it looked like...and that procedure verified for me that when I looked yesterday, hibernation *was* on in Windows. Also, after turning hibernation off and on, I now get a very current creation time for the hiberfile (all three times are identical, for the moment). -- Gene E. Bloch (Stumbling Bloch) |
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#17
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Windows 7 and hibernation
"Gene E. Bloch" wrote in message ... I had to do a bit of learning. I set "hibernate" as the power button action, but it failed to hibernate. The properties of hiberfile still showed January as the creation date and the last access date, but the modified date was 10 hours ago (that's what it said on the general tab; the details tab was more exact). Clearly the computer only slept. Clever Hans - I rebooted, and this time the modified date was the time of that reboot. The previous reboot time had been 10 hours ago, of course. Now when I tried to hibernate, the hiberfile was indeed modified at the hibernation time. I tried hibernating a couple more times, but the file did not get a new modification time. Just for fun, I also turned hibernation off at the command prompt, looked at powercfg -a, then turned it back on and looked again at that status, just so I could see what it looked like...and that procedure verified for me that when I looked yesterday, hibernation *was* on in Windows. Also, after turning hibernation off and on, I now get a very current creation time for the hiberfile (all three times are identical, for the moment). Do you have hybrid sleep turned On? That might be adding to the confusion -- -smithdoerr |
#18
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Windows 7 and hibernation - problem source (hopefully) identified
Thanks to the crew here that reported successfully using hibernation with
large memory systems (and giving a strong indication that KB888575 does NOT apply to Windows 7) I was able to abandon testing native Windows for the problem. I think I've located the culprit: after building a clean test Windows installation, installing Pointsec's full disk encryption tool (v7.4) resulted in the hibernation option being turned off, and while turning it on again resulted in the (re-)creation of hiberfil.sys, after a few minutes it was turned off again...and if I try hibernation quickly enough the system displays the message "Disk hibernation is not allowed on this system" and the machine goes to sleep. Perhaps the best part of this conclusion is that I'm not responsible for Pointsec, so I can regift the Help Desk ticket to someone else for resolution. I probably would have found the Pointsec gotcha eventually but y'all helped do it a bit faster. Happy Thanksgiving! Joe |
#19
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Windows 7 and hibernation
On Thu, 25 Nov 2010 10:16:44 -0500, smithdoerr wrote:
"Gene E. Bloch" wrote in message ... I had to do a bit of learning. I set "hibernate" as the power button action, but it failed to hibernate. The properties of hiberfile still showed January as the creation date and the last access date, but the modified date was 10 hours ago (that's what it said on the general tab; the details tab was more exact). Clearly the computer only slept. Clever Hans - I rebooted, and this time the modified date was the time of that reboot. The previous reboot time had been 10 hours ago, of course. Now when I tried to hibernate, the hiberfile was indeed modified at the hibernation time. I tried hibernating a couple more times, but the file did not get a new modification time. Just for fun, I also turned hibernation off at the command prompt, looked at powercfg -a, then turned it back on and looked again at that status, just so I could see what it looked like...and that procedure verified for me that when I looked yesterday, hibernation *was* on in Windows. Also, after turning hibernation off and on, I now get a very current creation time for the hiberfile (all three times are identical, for the moment). Do you have hybrid sleep turned On? That might be adding to the confusion Indeed I do. The disk activity lights made me think that on those occasions when the hiberfile was not modified were sleepy times, but I didn't look at the status of hybrid sleep until you asked :-) This is not a laptop (although as an all-in-one, it's similar to one), so hibernate and hybrid sleep are not really important to me. I normally just shut down when I'm going to be away for a significant length of time, but sometimes I sleep the computer, since I have a script that will wake the computer from sleep in the wee hours to do a backup. Still, I usually backup up manually: my backup programs take advantage of Windows's shadow copying, so I can work safely while backups happen in the background. Anyway, since I rarely sleep[1] or hibernate the computer, I pretty much ignore all the above, so I'm glad you and others keep asking questions :-) [1] That's to be read "I rarely sleep the computer". I often sleep. Just sayin'. -- Gene E. Bloch (Stumbling Bloch) |
#20
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Windows 7 and hibernation - problem source (hopefully) identified
"Joe Morris" wrote in message ...
Thanks to the crew here that reported successfully using hibernation with large memory systems (and giving a strong indication that KB888575 does NOT apply to Windows 7) I was able to abandon testing native Windows for the problem. I think I've located the culprit: after building a clean test Windows installation, installing Pointsec's full disk encryption tool (v7.4) resulted in the hibernation option being turned off, and while turning it on again resulted in the (re-)creation of hiberfil.sys, after a few minutes it was turned off again...and if I try hibernation quickly enough the system displays the message "Disk hibernation is not allowed on this system" and the machine goes to sleep. Perhaps the best part of this conclusion is that I'm not responsible for Pointsec, so I can regift the Help Desk ticket to someone else for resolution. I probably would have found the Pointsec gotcha eventually but y'all helped do it a bit faster. Happy Thanksgiving! Joe Thanks for the heads up Joe, always interesting to know 'why' .. Found this page that may explain why hibernation is turned off. http://www.itbusinessedge.com/cm/blo...tion/?cs=13646 i.e. 'in theory' so Pointsec is covering it's ass. Best Paul. |
#21
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Windows 7 and hibernation - problem source (hopefully) identified
On Sun, 28 Nov 2010 16:31:12 +1300, "PeeCee" wrote:
Thanks for the heads up Joe, always interesting to know 'why' . Found this page that may explain why hibernation is turned off. http://www.itbusinessedge.com/cm/blo...tion/?cs=13646 i.e. 'in theory' so Pointsec is covering it's ass. Best Paul. Please, please, please learn to quote properly. Your follow-up was absolutely indistinguishable from the post you were replying to. -- Char Jackson |
#22
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Windows 7 and hibernation - problem source (hopefully) identified
On Sat, 27 Nov 2010 23:25:31 -0600, Char Jackson
wrote: On Sun, 28 Nov 2010 16:31:12 +1300, "PeeCee" wrote: Thanks for the heads up Joe, always interesting to know 'why' . Found this page that may explain why hibernation is turned off. http://www.itbusinessedge.com/cm/blo...tion/?cs=13646 i.e. 'in theory' so Pointsec is covering it's ass. Best Paul. Please, please, please learn to quote properly. Your follow-up was absolutely indistinguishable from the post you were replying to. Poor quoting is somewhat excusable with WLM's latest version, but that isn't the case with "PeeCee". |
#23
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Windows 7 and hibernation - problem source (hopefully) identified
On Sun, 28 Nov 2010 08:01:20 -0700, Sir_George
wrote: On Sat, 27 Nov 2010 23:25:31 -0600, Char Jackson wrote: On Sun, 28 Nov 2010 16:31:12 +1300, "PeeCee" wrote: Thanks for the heads up Joe, always interesting to know 'why' . Found this page that may explain why hibernation is turned off. http://www.itbusinessedge.com/cm/blo...tion/?cs=13646 i.e. 'in theory' so Pointsec is covering it's ass. Best Paul. Please, please, please learn to quote properly. Your follow-up was absolutely indistinguishable from the post you were replying to. Poor quoting is somewhat excusable with WLM's latest version, My view is different; I don't think it's ever excusable, regardless of what newsreader you use. Everyone *should* use a newsreader that does the proper things, but even if your newsreader doesn't, you can make it do the right things with a little manual effort. Ken but that isn't the case with "PeeCee". |
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