[asterisk-users] Saftware RAID1 or Hardware RAID1 with Asterisk

[Stephen Bosch]

Zane C.B. wrote:
> On Wed, 22 Aug 2007 12:37:26 -0600
> Stephen Bosch <posting at vodacomm.ca> wrote:
> 
>> Zane C.B. wrote:
>>> 1: Software RAID on Linux is way less than impressive. Plus last
>>> a I checked Linux can't handle mirroring a entire disk. Last I
>>> looked at it around a year ago you were limited to only mirroring
>>> partitions, which is a joke from a administrative standpoint.
>> How is this any different in FreeBSD?
>>
>> Could you explain to me how else you are going to mirror an entire
>> disk in software when your boot partition is on the disk?
> 
> The raid info is done the same as on other decent system, it is stored
> at the in the last sector of the provider.

I still don't understand what you mean by this. Something has to load
the RAID engine, and if the RAID engine is sitting on root partition
which is on the mirror, then it's not going to work.

Are you saying that this only works on disks that do not contain the
root partition?

-Stephen-

> 
> making a mirrored freebsd system is like this...
> 1: install freebsd
> 2: dd if=<current drive> of=<2nd drive for mirror>
> 3: gmirror label <some name> <2nd drive>
> 4: mount 2nd drive and edit fstab to boot
> using /dev/gmirror/<whatever>
> 5: boot from 2nd drive
> 6: gmirror insert <name> <original drive>
> 
> 
> /me loves GEOM, the goddess of all disk subsystems or whatever.
> 
> http://www.freebsd.org/cgi/man.cgi?query=gmirror&apropos=0&sektion=0&manpath=FreeBSD+6.2-RELEASE&format=html