[ale] Compaq raid disk. How do I format?

James P. Kinney III jkinney at localnetsolutions.com
Thu Oct 14 12:52:14 EDT 2004


When you update a core system driver like that one, you may eed to do
some work in the kernel to get it to be used. If you have an existing
initrd, thatt will be loading the original module version. You will need
to make a new initrd that loads the new driver version.

On Thu, 2004-10-14 at 12:39, Jim Lynch wrote:
> Mine too.  /dev/ida/c0d2/disc wasn't found.  I've decided to live with 
> just one big partition.  Updating the drivers seems to work  but didn't 
> change the behavior.  Seemed to means the rpm command reported changing 
> some things and I rebooted but dmesg reports Compaq smart driver 2.4.5, 
> but during the rpm run I recall a version considerably higher, like 2.4.26.
> 
> Thanks for the try.
> 
> Jim.
> 
> 
> Yu, Jerry wrote:
> 
> >/dev/ida/c0d2 is the correct device to fdisk on. 
> >My RH73 system on a Compaq 1850R with hardware mirror (RAID 1) shows
> >/dev/ida/c0d2 as a block device instead of a directory.
> >
> ># -----Original Message-----
> ># From: ale-bounces at ale.org [mailto:ale-bounces at ale.org]On 
> ># Behalf Of Jeff
> ># Hubbs
> ># Sent: Tuesday, October 12, 2004 5:28 PM
> ># To: Atlanta Linux Enthusiasts
> ># Subject: Re: [ale] Compaq raid disk. How do I format?
> ># 
> ># 
> ># I think you're running fdisk on the wrong thing.  You need to go
> ># 
> ># /sbin/fdisk /dev/ida/c0d2/disc
> ># 
> ># (yes, that's with a "c")
> ># 
> ># - Jeff
> ># 
> ># On Tue, 2004-10-12 at 08:32, Jim Lynch wrote:
> ># > Thanks, guys for your input.  I'm a bit constrained here.  
> ># The server is 
> ># > in California and I'm in GA.  The fellow (NT admin) that 
> ># set up the raid 
> ># > config did the install of the disks and configured c0d2 as two 9 Gb 
> ># > disks mirrored.  I'd like to redo the whole thing, but I 
> ># can't remotely 
> ># > and don't have anyone that understands both raid and linux 
> ># at the site, 
> ># > so I'm stuck with what I've got.
> ># > 
> ># > On your advice I did go into fdisk and try to partition 
> ># c0d2.  Strange 
> ># > thing happened.  I can't seem to create more than one partition.  I 
> ># > think the geometry is screwed up somehow. Note it would only let me 
> ># > start at block 1 and didn't ask me how large to make the 
> ># partition.  It 
> ># > just grabbed it all. Any ideas how to fix that?
> ># > 
> ># >  /sbin/fdisk /dev/ida/c0d2
> ># > 
> ># > Command (m for help): p
> ># > 
> ># > Disk /dev/ida/c0d2: 1 heads, 17764320 sectors, 1 cylinders
> ># > Units = cylinders of 17764320 * 512 bytes
> ># > 
> ># >          Device Boot    Start       End    Blocks   Id  System
> ># > 
> ># > Command (m for help): n
> ># > Command action
> ># >    e   extended
> ># >    p   primary partition (1-4)
> ># > p
> ># > Partition number (1-4): 1
> ># > First cylinder (1-1, default 1):
> ># > Using default value 1
> ># > 
> ># > Command (m for help): p
> ># > 
> ># > Disk /dev/ida/c0d2: 1 heads, 17764320 sectors, 1 cylinders
> ># > Units = cylinders of 17764320 * 512 bytes
> ># > 
> ># >          Device Boot    Start       End    Blocks   Id  System
> ># > /dev/ida/c0d2p1             1         1   8882159+  83  Linux
> ># > Partition 1 has different physical/logical endings:
> ># >      phys=(768, 0, 32) logical=(0, 0, 17764320)
> ># > Partition 1 does not end on cylinder boundary:
> ># >      phys=(768, 0, 32) should be (768, 0, 17764320)
> ># > 
> ># > Command (m for help):
> ># > 
> ># > 
> ># > Jim Lynch wrote:
> ># > 
> ># > > I've have an old compaq that a Windows tech added some 
> ># disks to but 
> ># > > had no idea what to do to make it work on Linux.  From the dmesg 
> ># > > listing I found:
> ># > >
> ># > > Compaq SMART2 Driver (v 2.4.5)
> ># > > Found 1 controller(s)
> ># > > cpqarray: Finding drives on ida0 (SMART-2/P)
> ># > > cpqarray ida/c0d0: blksz=512 nr_blks=8380320
> ># > > cpqarray ida/c0d1: blksz=512 nr_blks=16768800
> ># > > cpqarray ida/c0d2: blksz=512 nr_blks=17764320
> ># > >
> ># > > It looks like he added ida/c0d2 since I have the other two drives 
> ># > > mentioned in the fstab file.  When I tried to look at one of the 
> ># > > existing drives with fdisk I found:
> ># > > Disk /dev/ida/c0d1: 1 heads, 16768800 sectors, 1 cylinders
> ># > > Units = cylinders of 16768800 * 512 bytes
> ># > >
> ># > >         Device Boot    Start       End    Blocks   Id  System
> ># > > /dev/ida/c0d1p1   *         1         1   2044064   82  Linux swap
> ># > > Partition 1 has different physical/logical beginnings 
> ># (non-Linux?):
> ># > >     phys=(0, 1, 1) logical=(0, 0, 33)
> ># > > Partition 1 has different physical/logical endings:
> ># > >     phys=(500, 254, 32) logical=(0, 0, 4088160)
> ># > > Partition 1 does not end on cylinder boundary:
> ># > >     phys=(500, 254, 32) should be (500, 0, 16768800)
> ># > > /dev/ida/c0d1p2             1         1    391680   83  Linux
> ># > > Partition 2 has different physical/logical beginnings 
> ># (non-Linux?):
> ># > >     phys=(501, 0, 1) logical=(0, 0, 4088161)
> ># > > Partition 2 has different physical/logical endings:
> ># > >     phys=(596, 254, 32) logical=(0, 0, 4871520)
> ># > > Partition 2 does not end on cylinder boundary:
> ># > >     phys=(596, 254, 32) should be (596, 0, 16768800)
> ># > > /dev/ida/c0d1p3             1         1    261120   83  Linux
> ># > > Partition 3 has different physical/logical beginnings 
> ># (non-Linux?):
> ># > >     phys=(597, 0, 1) logical=(0, 0, 4871521)
> ># > > Partition 3 has different physical/logical endings:
> ># > >     phys=(660, 254, 32) logical=(0, 0, 5393760)
> ># > > Partition 3 does not end on cylinder boundary:
> ># > >     phys=(660, 254, 32) should be (660, 0, 16768800)
> ># > > /dev/ida/c0d1p4             1         1   5687520    f  
> ># Win95 Ext'd (LBA)
> ># > > Partition 4 has different physical/logical beginnings 
> ># (non-Linux?):
> ># > >     phys=(661, 0, 1) logical=(0, 0, 5393761)
> ># > > Partition 4 has different physical/logical endings:
> ># > >     phys=(1023, 254, 32) logical=(0, 0, 16768800)
> ># > > Partition 4 does not end on cylinder boundary:
> ># > >     phys=(1023, 254, 32) should be (1023, 0, 16768800)
> ># > > /dev/ida/c0d1p5             1         1   5687504   83  Linux
> ># > >
> ># > > Which makes me a bit leary of using fdisk on these 
> ># drives.  Most of 
> ># > > that output doesn't make sense to me.  Can anyone point me in the 
> ># > > right direction so I can learn how to format this new 
> ># drive?  This is 
> ># > > a RH 7.2 system.  If I understand correctly this is a 
> ># RAID system.  
> ># > > The new drive  is really 2 9 Gb drives configured as a 
> ># mirror, so I 
> ># > > was told.  Is there some other utility I need to use to 
> ># make sense of 
> ># > > the partitioning of the existing drives?
> ># > >
> ># > > Thanks,
> ># > > Jim.
> ># > >
> ># > >
> ># > > _______________________________________________
> ># > > Ale mailing list
> ># > > Ale at ale.org
> ># > > http://www.ale.org/mailman/listinfo/ale
> ># > 
> ># > 
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-- 
James P. Kinney III          \Changing the mobile computing world/
CEO & Director of Engineering \          one Linux user         /
Local Net Solutions,LLC        \           at a time.          /
770-493-8244                    \.___________________________./
http://www.localnetsolutions.com

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
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