Date: Thu, 24 May 2007 10:04:21 -0500 From: Derek Ragona <derek@computinginnovations.com> To: kalin@el.net, freebsd-questions@freebsd.org Subject: Re: raid or not raid Message-ID: <6.0.0.22.2.20070524100315.023efae0@mail.computinginnovations.com> In-Reply-To: <61733.74.64.6.149.1180002606.squirrel@mail.el.net> References: <54316.74.2.36.140.1179892303.squirrel@mail.el.net> <61733.74.64.6.149.1180002606.squirrel@mail.el.net>
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At 05:30 AM 5/24/2007, kalin mintchev wrote:
>so nobody on this list knows anything about raid?
>wrong list?
>
> > hi all..
> >
> > i have a box in a remote hosting facility that claims that the machine has
> > two discs raided in it but df and fstab show only one disc with a bunch of
> > slices.
> > under devices there is another name - ad6 - but it's not mounted anywhere.
> > the one i see both in df and the fstab is ad4 with one big slice and
> > different partitions....
> >
> > they insist there are 2 raided discs in tha machine. the os is 5.4 and i
> > think at that point the raid drivers were still considered 'experimental'.
> >
> > it makes sense to me that if i don't see a second drive in the fstab there
> > isn;t any mounting which means that there is no raid going on...
> >
> > is there any other way i can make sure if raid is actually on?
> > would there will be any logs somewhere?
> > the machine has been up for about 2 years and the dmesg is long gone...
> >
> > thanks.....
> >
> >
It is likely a hardware raid setup in the hardware BEFORE FreeBSD was
installed. In this type of setup the RAID array just looks like a regular
hard disk to the OS.
-Derek
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