yes you can (it should do it auto) but I can't remember how.

try looking at the raid* tools

On Thu, Sep 04, 2003 at 01:46:36PM -0300, Jean M. Bouchara wrote:
> My "/proc/mdstat" file shows:
> 
> Personalities : [raid1]
> read_ahead 1024 sectors
> md0 : active raid1 sdb2[1] sda2[0]
>       1028096 blocks [2/2] [UU]
>       	resync=DELAYED
> md1 : active raid1 sdb5[2] sda5[1]
>       5124608 blocks [2/1] [_U]
>       	resync=DELAYED
> md2 : active raid1 sdb6[0] sda6[1]
>       10241280 blocks [2/2] [UU]
> 
> unused devices: <none>
> 
> Can I fix/resync the md0 and md1 devices with the filesystems in use?
> 
> TIA
> 
> 
> -- 
> Jean Michel Bouchara
> Completo Tecnologia S/C Ltda. - http://www.completo.com.br/
> Fone / Fax: (0xx11) 3887.9911
> -- 
> Visite o site http://www.escrevinhadora.com.br/
> 
> 
> 
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-- 
Mat Harrison
Technical Developer
3d Computer Systems Ltd.
matth@3d-computers.co.uk