[GLLUG] Establishing Software RAID1

Jason L. Froebe jason.froebe at gmail.com
Sun Aug 3 12:29:08 EDT 2014


You could convert the ext4 file system to btrfs, add the second drive to
the btrfs and then convert to raid 1.

Jason
On Aug 3, 2014 9:21 AM, "Clay Dowling" <clay at lazarusid.com> wrote:

> That will indeed delete all of your files. Take a backup before fiddling
> with filesystem options.
>
> ------ Original message------
>
> *From: *Chick Tower
>
> *Date: *Sat, Aug 2, 2014 11:44 PM
>
> *To: *linux-user at egr.msu.edu;
>
> *Subject:*[GLLUG] Establishing Software RAID1
>
>
>
> I've found on-line instructions for setting up RAID1 with two disk
> drives on a system already running Linux.  After using mdadm to create a
> RAID set on two partitions already formatted ext3, they then say to
> issue the command
>
>     mkfs.ext3 /dev/md0
>
> Won't that erase anything already on the two drive partitions that make
> up md0?
>
> Also, does anyone know where to buy SATA cables cheaply?  I think I need
> to replace one that I suspect is faulty.
> --
>
>                                 Chick
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