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Acroni2015-05-30 14:31:39
Windows
Acroni, 2015-05-30 14:31:39

Is it possible to save the full state of the OS without shutting down the computer?

Are there any software solutions in the world that can make a snapshot of the contents of RAM as is done during hibernation? That is, once every 10 minutes, one copy of the contents of the RAM is created as during hibernation and written to the hard drive, after another 10 minutes a second one is made and recorded next to it, after another 10 minutes the third is recorded over the first, the fourth over the second, etc. Scheduled hibernation without turning off the computer, so to speak.
Or even all this "on the fly".
A cast, respectively, in order to load it in case of an abnormal shutdown of the computer. Has something like this been implemented somewhere? At least on virtual machines.

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2 answer(s)
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athacker, 2015-06-01
@Acroni

On virtual machines, VMware has such a thing as "fault tolerance". In short, the point is that it keeps a complete running copy of the virtual machine on another host, periodically synchronizing it with the original. And in case of a sneeze of the main machine, you can enter a copy into production.
Details can be smoked here (the second link was shortened, since there is Cyrillic in the URL):
www.vmgu.ru/articles/vmware-fault-tolerance-main
goo.gl/hNU2vt
And in a more general case, for processing this kind failures there are clustering technologies. Many databases and other such services can work in a cluster. Accordingly, the failure of one cluster node does not lead to the failure of the entire service.

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Spetros, 2015-05-30
@Spetros

You can take snapshots for virtual machines.
And from one cast of RAM there will be no sense, because. in addition to RAM, the information on the disk also changes - RAM and disks in a running system are interconnected.

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