[H-GEN] Linux file server

Harry Phillips harry at tux.com.au
Thu Jul 1 22:14:16 EDT 2004


Russell Stuart wrote:
>     It might seem this does should not hold for Raid 1 (mirroring).
>     It does.  Another way to use the second drive is as a hot
>     spare - doing an image backup each night after checking
>     that all you data looks consistent.  This is more reliable
>     because data is damaged more often by applications (bugs
>     corrupting files) and users (eg deleting the wrong file) than
>     by hardware failures.  If you are mirroring the damage is
>     reflected on all drives immediately.  If you do a nightly
>     backup you have a reasonable chance of recovering the data
>     while the system is online, without messing around with backup
>     media.

I have been considering this myself, so what would you use to image one 
drive to another each night? dd?

-- 
Regards,
Harry Phillips




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