Re: dd cronjob

[Andy Poling]

On Fri, 11 Jun 1999, David Robinson wrote:
> I have a cronjob that runs each night as root and does a:
> dd if=/dev/sda1 of=/dev/sdb1 bs=1024
[...]
> By doing this each night the mirror is always a day old. If the first
> drive breaks at 6PM and I did the mirror at 1AM then I've lost any new data
> writing to the first drive since 1AM.

Note that, if your main disk fries at 1:01am you have lost everything.

Murphy's Law never fails...

-Andy

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