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I have a large hard disk partition. I would like to launch e2fsck on it so that i shall suspend its progress, be able to reboot and resume e2fsck from where it was suspended.

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As far as i know, that is not possible.

Woudn't make sense, since data is going to be changed in the FS while rebooting on most systems (e.g. system logs)

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Nothing will change an unmounted FS at shutdown, and nothing will change it at startup either if it isn't mounted automatically. – Mat Jan 20 '13 at 17:19
Yeah, i do not want to mount it during e2fsck, so it is not changing. – Zoli Jan 20 '13 at 18:31
The fsck type programs are written so that they are careful not to leave stuff in an inconsistent state if they should crash or killed, but that is a rather weak guarantee... – vonbrand Jan 21 '13 at 3:54

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