[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: [cobalt-users] hard drive 61 revisited



At 11:59 AM 05/09/02 -0400, you wrote:
>  From Gerald's post:
>  >Just use dd, put a second drive in the RaQ and dd it once in a while,
>  >or dd it once and then use rsync to keep it up to date.
>
> Does this take care of all mkfs issues, or do I have to "make" a drive
> first? Is dd like a "real" mirroring system where it will take a drive out
> of the box and just do it?
>

Yes, dd does a bit by bit copy, anything on one disk will be copied to
the other, formats and all

dd if=/dev/hda of=/dev/hdc
Copies everything from a to b (this will take a while)
"if" is in-file and "of" is out-file

What are the ramifications of doing this on an in production server?
- Bill




---------------------------------
William J.A. Brillinger
Precision Design Co.

E-Mail:   mailto:billy@xxxxxxxxxx
Web site: http://www.pdcweb.net