How to mirror the FreeBSD OS on two disks

Mikel King mike.king at
Wed Jul 11 10:45:53 UTC 2012

There's an old article on BsdNews About using gmirrior perhaps that's the sort of thing you are looking for? ->

Mikel King

On Jul 11, 2012, at 5:18 AM, miles kuo <miles.kuo at> wrote:

> Hi all,
> I have two SAS disks for the FreeBSD install. I want to install the freeBSD
> on one disk and mirror to another disk. Just like the AIX Mirror.
> Any changes will sync between the two disks. And if  one disk crashed or
> disconnected, the OS could continue running on another disk.
> Does the FreeBSD support the disk mirror? How to implement it?
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