Re: [newbie] Mandrax 7.2 Raid installation

2001-01-09 Thread civileme

On Tuesday 09 January 2001 03:23, you wrote:
> On Monday 08 January 2001 05:23, you wrote:
> > On Monday 08 January 2001 09:07, you wrote:
> > > All,
> > >
> > >  I have just bought Mandrake version 7.2, but I have run into a
> > > problem. I have a Pentium II  with 2x 30 Gigabyte IDE disk drive ( RAID
> > > 1 ). The first problem is related to the LBA issue, e.g. the two disk
> > > drives has different geometry, which I now understand makes no
> > > difference under Linux. The other is to actually install Mandrake on
> > > the two devices ( Raid 1 ), or just install on hda and then to run
> > > mkraid to create the md devices.
> > >
> > > Do I need to get another distribution, such as Red Hat ( which supports
> > > Raid 1 during installations ).
> > >
> > > I would greatly appreciate it if someone could give me the bullet
> > > points for how to implement RAID 1 for Mandrake, for a first time
> > > installation from the CD-ROM.
> > >
> > > I have been successfully running Slackware ( for years ) on another
> > > Celeron based system, which is going to be replaced by the above
> > > system.
> > >
> > > Thx,
> > > Hans E.
> >
> > If you have the Promise controller, you can do RAID 1 under any linux,
> > with recompilation of the drivers, however, be advised that IDE Raid is
> > not hardware.   It is a BIOS/firmware kludge that emulates real hardware
> > RAID. If you do not have the promise controller, no linux will support
> > your RAID at install or at any other time because the drivers for windows
> > only are a tightly kept secret.
> >
> > There is another option, forget the RAID installed and use the Linux
> > Software RAID implementation(there is a HOWTO at linuxdoc.org), which is
> > at least the equal of any of the IDE fake hardware RAIDs though it does
> > take up a little more drive space and offers more partitions.  All of the
> > IDE RAIDs _reduce_ your drive capacity because they keep information to
> > support the RAID on cylinders that are destroked (no longer within drive
> > limits for normal operation).
> >
> > If you are dual-booting windows, you can use the "hardware" RAID on board
> > for the windows partition and use linux software RAID for all other
> > partitions. (Third possible option).
> >
> > Civileme
>
> You say that if the controller is not Promise that no Linux will support
> the controller at install or at any other time.  What about the Compaq
> Smart-2 controller?   The xconfig gives the option of the Compaq Smart-2
> RaidArray support.  I have tried it and have had some success (Compaq has a
> patch out for it..) with it.  But I have gotten detoured to other
> projects


We are discussing IDE RAID which is a software/firmware implementation of 
RAID for IDE devices.  The Compaq SMART series are very excellent SCSI RAID 
controllers, which are fully supported as are most other SCSI RAIDs.

Civileme




Re: [newbie] Mandrax 7.2 Raid installation

2001-01-08 Thread D.M. Mattix

On Monday 08 January 2001 05:23, you wrote:
> On Monday 08 January 2001 09:07, you wrote:
> > All,
> >
> >  I have just bought Mandrake version 7.2, but I have run into a problem.
> > I have a Pentium II  with 2x 30 Gigabyte IDE disk drive ( RAID 1 ). The
> > first problem is related to the LBA issue, e.g. the two disk drives has
> > different geometry, which I now understand makes no difference under
> > Linux. The other is to actually install Mandrake on the two devices (
> > Raid 1 ), or just install on hda and then to run mkraid to create the md
> > devices.
> >
> > Do I need to get another distribution, such as Red Hat ( which supports
> > Raid 1 during installations ).
> >
> > I would greatly appreciate it if someone could give me the bullet points
> > for how to implement RAID 1 for Mandrake, for a first time installation
> > from the CD-ROM.
> >
> > I have been successfully running Slackware ( for years ) on another
> > Celeron based system, which is going to be replaced by the above system.
> >
> > Thx,
> > Hans E.
>
> If you have the Promise controller, you can do RAID 1 under any linux, with
> recompilation of the drivers, however, be advised that IDE Raid is not
> hardware.   It is a BIOS/firmware kludge that emulates real hardware RAID.
> If you do not have the promise controller, no linux will support your RAID
> at install or at any other time because the drivers for windows only are a
> tightly kept secret.
>
> There is another option, forget the RAID installed and use the Linux
> Software RAID implementation(there is a HOWTO at linuxdoc.org), which is at
> least the equal of any of the IDE fake hardware RAIDs though it does take
> up a little more drive space and offers more partitions.  All of the IDE
> RAIDs _reduce_ your drive capacity because they keep information to support
> the RAID on cylinders that are destroked (no longer within drive limits for
> normal operation).
>
> If you are dual-booting windows, you can use the "hardware" RAID on board
> for the windows partition and use linux software RAID for all other
> partitions. (Third possible option).
>
> Civileme

You say that if the controller is not Promise that no Linux will support the 
controller at install or at any other time.  What about the Compaq Smart-2 
controller?   The xconfig gives the option of the Compaq Smart-2 RaidArray 
support.  I have tried it and have had some success (Compaq has a patch out 
for it..) with it.  But I have gotten detoured to other projects


-- 
Mike Mattix
[EMAIL PROTECTED]




Re: [newbie] Mandrax 7.2 Raid installation

2001-01-08 Thread civileme

On Monday 08 January 2001 09:07, you wrote:
> All,
>
>  I have just bought Mandrake version 7.2, but I have run into a problem. I
> have a Pentium II  with 2x 30 Gigabyte IDE disk drive ( RAID 1 ). The first
> problem is related to the LBA issue, e.g. the two disk drives has different
> geometry, which I now understand makes no difference under Linux. The other
> is to actually install Mandrake on the two devices ( Raid 1 ), or just
> install on hda and then to run mkraid to create the md devices.
>
> Do I need to get another distribution, such as Red Hat ( which supports
> Raid 1 during installations ).
>
> I would greatly appreciate it if someone could give me the bullet points
> for how to implement RAID 1 for Mandrake, for a first time installation
> from the CD-ROM.
>
> I have been successfully running Slackware ( for years ) on another Celeron
> based system, which is going to be replaced by the above system.
>
> Thx,
> Hans E.
If you have the Promise controller, you can do RAID 1 under any linux, with 
recompilation of the drivers, however, be advised that IDE Raid is not 
hardware.   It is a BIOS/firmware kludge that emulates real hardware RAID.  
If you do not have the promise controller, no linux will support your RAID at 
install or at any other time because the drivers for windows only are a 
tightly kept secret.

There is another option, forget the RAID installed and use the Linux Software 
RAID implementation(there is a HOWTO at linuxdoc.org), which is at least the 
equal of any of the IDE fake hardware RAIDs though it does take up a little 
more drive space and offers more partitions.  All of the IDE RAIDs _reduce_ 
your drive capacity because they keep information to support the RAID on 
cylinders that are destroked (no longer within drive limits for normal 
operation).  

If you are dual-booting windows, you can use the "hardware" RAID on board for 
the windows partition and use linux software RAID for all other partitions. 
(Third possible option).

Civileme