Hot disk change.

Peter Kjellstrom cap at nsc.liu.se
Mon Apr 19 13:21:12 CDT 2010


On Monday 19 April 2010, Fabio Catunda wrote:
> Hi,

You're missing two steps below.

> I have a "PowerEdge 1950" with a "PERC 5/i Integrated" controller on
> "RAID-1" with two "232.25GB" disks.
>
> I need some more disk space, so I bought two 2TB disks.
>
> What I would like to know is if it's possible to replace one HD at a
> time, trusting the controller to sync all data with no loss!?

Assuming the rebuilds go well and you now have your raid1 on two 2T drives 
you'll need to expand the raid1 (if possible).

> The OS is a Debian Linux with ext3 fs, so after changing both disks I
> could use resize2fs to use the extra capacity.

Before resizing the filesystem you'll have to take care of the layer beneath 
(partition table, lvm or similar).

> Anyone already tried something like that?
>
> Any tip is appreciated.
>
> Thanks,
>
> Fábio Catunda.
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