Re: [linux-lvm] lvm und promise fasttrack

["Heinz J . Mauelshagen" <mauelshagen@sistina.com>]

On Fri, Oct 26, 2001 at 08:13:26AM +0200, Goetz Bock wrote:
> 
> Hallo Jens,
> > > ich hab schon wieder ein "Problem".
> Well, it might be a good idea to write your requests to an international
> mailing list in english ...

Well, Jens probably wanted to send it to me personally :-)

> so let's translate your questions (not a strict translation)
> 
> > > Auf meinem Mainboard ist ein Promise Fasttrack 100 Controller.
> > > Die Festplatten kann ich ueber /dev/hd[e-h] ansprechen.
> > My mainboard features a Promise Fasttrack 100 Controller, and I can
> > access my harddrives as /dev/hd[e-h]
> > 
> > > Es gibt aber auch die Moeglichkeit das Hardware Raid anzuspechen ueber
> > > /dev/ataraid/d[0-2]px , mit x als Partitionsnummer.
> > But there is also the option to use the hardware raid as
> > /dev/ataraid/d[0-2]px, with x beeing the partition number
> > 
> > > Beim Aufruf von vgcreate passiert folgendes :
> > when calling vgcreate like this:
> > vgcreate gl_lvm /dev/ataraid/d0p1
> > vgcreate -- physical volume name "/dev/ataraid/d0p1" is invalid
> For this to work, you must first use pvcreate to add the LVM's PV
> information to your device:
> pvcreate /dev/ataraid/d0p1
> 
> But this will not help you, as pvcreate checls the device name against a
> list of valid devices, and /dev/ataraid is not port of this (at last not
> in the way outdated 0.9.1beta5 src I've on this system)
> 
> OOTH you should not trust the bios based softraid of any of the consumer
> raid devices, it is no hardware raid (not just MHO). If you want to do raid
> with IDE devices, I'd suggest using the kernel based MD drivers, and putting 
> every IDE disk on it's own channel.   

Yes, but if Jens still wants it, "atatraid" needs to be added to the _devdir
array in lvm_dir_cache.c.
In future LVM you just change/add an entry to a central config file.

> 
> -- 
> Goetz Bock                                              IT Consultant
> Dipl.-Inf. Univ.



-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen@Sistina.com                           +49 2626 141200
                                                       FAX 924446
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