hiberfile.sys

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p0ser · #1 Post by **p0ser** » Sun Nov 14, 2004 1:48 am

I'd like to reclaim the disk space taken by hiberfile.sys. Its only 1GB now, but I presume it will go up to 2GB once I increase my total RAM to 2GB. Is there any reason why it would be a bad idea to disable system hibernation entirely? How many hours can the 6-cell and 9-cell last on stand by anyway?

dr.b · #2 Post by **dr.b** » Sun Nov 14, 2004 6:01 am

i can´t anwser the question exactly, but it should be more than 24 hours...
Hybernation makes sense if you have to switch your notebook off (plane).

MadeInJapan · #3 Post by **MadeInJapan** » Sun Nov 14, 2004 8:34 am

On my Thinkpad, even though I don't have Hybernation turned off, in the Power Management settings I have it so it will NEVER go into hybernation. Even the last post bothers me....to turn the TP off when needing to leave a plane, just to take it out of hybernation after de-planing (I'm usually too much of a hurry at this time...picking up bags, getting a taxi, etc. anyway to turn the TP back on). In hybernation mode, doesn't the "needle" still sits on the platter of the HDD, so bumps of any kind could cause the needle to skip along its surface. If so, this would be just too risky for me, as it could damage the drive. You talk about using up memory, etc. Are Hybernation and disc space usage related to each other. Are you not talking about System Recovery? It uses space and can be turned off to save space (which I do). You can also adjust how much of this space is actually being used, independant of any RAM you might have in your machine. Anyway, I don't have all of the answers, so someone else should put their 2cents worth in.

level · #4 Post by **level** » Sun Nov 14, 2004 9:57 am

I agree with you, 2 Gb is a lot to give up. I usually use standby, mainly because it's quicker to recover, but for travelling I think hibernation would be safer. Here's an article describing both and how to turn if off:

http://www.microsoft.com/resources/docu ... c_jiox.asp

dr.b · #5 Post by **dr.b** » Sun Nov 14, 2004 10:57 am

After a while of standyby (on battery) my tp change to hypernation...don´t know how and when...but it happens

monty cantsin · #6 Post by **monty cantsin** » Sun Nov 14, 2004 10:59 am

MadeInJapan wrote:In hybernation mode, doesn't the "needle" still sits on the platter of the HDD, so bumps of any kind could cause the needle to skip along its surface.

No, both in standy-by and hibernation, the heads are not only unloaded, but the drive is completely turned off.

MadeInJapan wrote:Are Hybernation and disc space usage related to each other.

Hibernation means that an image of the memory contents is saved to the hard drive before the system is turned off (not 100% correct, but basically it works this way), and when the system is powered on again, the original memory contents is restored. Because of that, the hibernation file always has to be as large as the installed system RAM is.

RCube · #7 Post by **RCube** » Sun Nov 14, 2004 2:14 pm

I think you might as well turn hibernation off. Since it won't be very fast to hibernate 2gb of ram anyways. I have 1gb and it is already taking a noticeable amount of time to do it. So I use sleep alot more often now.

p0ser · #8 Post by **p0ser** » Sun Nov 14, 2004 2:53 pm

dr.b wrote:After a while of standyby (on battery) my tp change to hypernation...don´t know how and when...but it happens

does anyone know the specifics on this behaviour?

monty cantsin · #9 Post by **monty cantsin** » Sun Nov 14, 2004 3:32 pm

p0ser wrote:
dr.b wrote:After a while of standyby (on battery) my tp change to hypernation...don´t know how and when...but it happens
does anyone know the specifics on this behaviour?

"Power Management in Windows XP":
http://www.microsoft.com/windowsxp/usin ... rch25.mspx

hiberfile.sys

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