Hi Nikhil,
What I have got are 2 Hard Disks of 9GB each and I want to mirror the contents of
first HDD
on to the second one. I have got 6 partitions on my first HDD and I have created 6
partitions of
similar size on my second HDD.
This stuff is not yet clear to me. Can you point out me to any link on info on
configuring raid.
I have already gone through HOWTO and documentation of raidtools but that has
increased my confusion further.
The main thing is to check whether raid is working say by creating a file on 1st HDD
and mounting the raid partition and checking whether the same file exists on it. Than
only I can be sure that
raid is working fine. Isn't it ?
Thanks
Regards
Rajesh
Nick Hill saw fit to inform me that:
>
>> Rajesh Fowkar wrote:
>> >
>> > Hi,
>> >
>> > I have got say 6 partitions on sda.
>> > I have created 6 partitions on sdb of equal size.
>> >
>> > My /etc/raidtab file is as follows :
>> >
>> > raiddev /dev/md0
>> > raid-level 1
>
>RAID-1 _is_ mirroring and that's what u're getting. It
>will mirror the _same_ data on to all the partitions
>assigned. And the final size of the raid partition
>created (/dev/md0 in u're case) will be the size of
>the lowest sized partition among the partition cluster
>u've assigned to be mirrored, as all the data cannot
>be mirrored equally on to all the partitions if
>they're of different sizes... If u want to use all of
>u're 9 GB, go for striping. RAID-0 will do, for most
>cases, unless u're too wary of u're data, then u may
>consider RAID-5, but u'll some space because of the
>parity data involved, but u'll get excellent recovery
>of data in cases of failure...
>
>Nikhil.
>
--
Rajesh(ALIAS Shriram) Fowkar
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