Archived from groups: comp.sys.ibm.pc.hardware.storage (
More info?)
On Wed, 17 Nov 2004 09:22:39 -0500, "J. Clarke"
<jclarke@nospam.invalid> wrote:
>Peter wrote:
>
>>> What's the difference between a disc image and backing up the harddrive?
>>
>> What difference aspect are you interested in?
>> Backup is a broad term to duplicate selected portions of your file system
>> to another storage media.
>> Disk image reduces selection criteria to a disk as a whole. It preserves
>> file system properties.
>
>Actually, the latest and greatest enterprise solution from Symantec (which
>is what I suspect they were _really_ after when then bought out PowerQuest)
>can do incremental images, just imaging the parts that were changed since
>the previous image.
Solaris calls this FlashBackup, and it rocks. Basically you take a FB
of a system as it sits now. If that system barfs you can netboot it
drop that same image back. Takes alot less time since you're
transferring data blocks instead of installing software.
Images are exactly that. Think of it like a picture of your system
that you can put back in place as a whole picture if it goes away. No
installs, just data transfers.
Ghost works similarly, which is the FB of Windows last time I worked
with that stuff. There might be some freeware out that will do what
you need. If so I'd be interested to hear about it.
~F