--- Ramesh Patel <[EMAIL PROTECTED]> wrote:
> 
> Dear All
> 
> I Install FC-3 with Raid-1 Both HDD(SCSI).
> Now my raid is ok but when i remove one HDD then system is working.
> but
> agin i install this HDD then Raid is crapt(Not working).
> 
> After this i write any thing it written only primery HDD. not
> mirroing.
> 
> How  to i agin Raid with this HDD.

Firstly check the RAID status using 'cat /proc/mdstat'

It would probably say your second disk is in failed status - it would
look something like this.
              md7 : active raid1 sdb7[1] sda7[0]
                    2104384 blocks [2/1] [U_]

Next you need to reactivate your failed partition using the following
command

mdadm -a /dev/md7 /dev/sda7

To know more about how to use mdadm you could check out this tutorial
http://www.networknewz.com/2003/0113.html



Mithun


                
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