Posted by: Anonymous Coward
on January 05, 2005 09:06 AM
I'm guessing the system imaging software is similar to a bunch of the "single system image" packages for Linux, usually used on Linux clusters. The biggest problem with such systems is that you end up making some assumptions about the system you're going to dump the image onto. What assumptions depends on what level you image at. If you're working at the file level, then about all you assume is that the set of files you've copied is the set of files you want to install. Which is normally the case.
If you copy at the partition level (dd if=/dev/hda1 of=part1) then you also assume that the partitions you're copying onto are all the same size. If you're in a fairly homogenius environment, that's also pretty normal. It's faster than file installs, if you've lots of files, at the price of needing a little more conformity. Likewise, disk-level copies are even faster (if you've a lot of stuff) but require virtually identical setups.
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Excellent article
Posted by: Anonymous Coward on January 05, 2005 09:06 AMIf you copy at the partition level (dd if=/dev/hda1 of=part1) then you also assume that the partitions you're copying onto are all the same size. If you're in a fairly homogenius environment, that's also pretty normal. It's faster than file installs, if you've lots of files, at the price of needing a little more conformity. Likewise, disk-level copies are even faster (if you've a lot of stuff) but require virtually identical setups.
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