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Subject: Re: gptzfsboot problem on HP P410i Smart Array
From: Rainer Duffner <rainer@ultra-secure.de>
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Date: Thu, 10 Apr 2014 01:04:39 +0200
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To: Matthew Seaman <matthew@FreeBSD.org>
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Am 10.04.2014 um 00:02 schrieb Matthew Seaman <matthew@FreeBSD.org>:

> On 09/04/2014 22:52, Rainer Duffner wrote:
>> And no, as the server is in a remote datacenter, an USB-stick is not =
an option.
>>=20
>> It=92s slow enough booting via a virtual USB-image over iLO...
>=20
> Uh... it only has to read the kernel+modules from the USB stick one =
time
> while booting.  Otherwise, there really shouldn't be any IO inside =
/boot
> unless you login and do stuff in that directory manually.  Your root
> filesystem would be on the normal hard drives.
>=20
> Anyhow the question is moot, since you don't have the same problem I =
did.
>=20
>> No, it=92s actually just a single RAID6-0 disk created by the P410i=85
>=20
> If you're going to use the RAID controller to generate a virtual =
drive,
> do you really need to use ZFS on top of that?   Couldn't you partition
> your virtual drive and put / onto a small UFS partition and then make =
a
> zpool on the rest?


I don=92t want to sacrifice two disks for a RAID1 boot-disk.
Normally, I would actually do that, but in this case, the server is a =
MySQL-slave to a master that has 12 disks -  and should the master die, =
this system has to take over its work.