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Is it possible to load the entire system image into the initrd, initramfs or load it into memory some other way, so that the media can be removed after the initial boot?

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Add docache parameter to kernel. Or an easy way, at boot menu select Other modes of Clonezilla and select Clonezilla (To RAM...

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Thanks, that works great – nishantjr Dec 5 '12 at 3:59

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