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SCO Santa Cruz Operation (SCO) was a software company based in Santa Cruz, California which was best known for selling three UNIX variants for Intel x86.

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  #8 (permalink)  
Old 04-16-2008
jgt jgt is offline
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I just looked at a system with 2 logical drives, and ran divvy twice,
once as 'divvy /dev/rhd1a' and got output that looks like yours,
and secondly as 'divvy /dev/hd1a' and got output that looks more like what you would expect from 5.0.7
Quote:
# divvy /dev/hd1a
+-------------------+------------+--------+---+-------------+------------+
| Name | Type | New FS | # | First Block | Last Block |
+-------------------+------------+--------+---+-------------+------------+
| home | vxfs | no | 0 | 0| 20000000|
| u | vxfs | no | 1 | 20000001| 60000000|
| u2 | vxfs | no | 2 | 60000001| 214954926|
| | NOT USED | no | 3 | -| -|
| | NOT USED | no | 4 | -| -|
| | NOT USED | no | 5 | -| -|
| | NOT USED | no | 6 | -| -|
| d00107all | WHOLE DISK | no | 7 | 0| 214962942|
+-------------------+------------+--------+---+-------------+------------+
214954927 1K blocks for divisions, 8016 1K blocks reserved for the system
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  #9 (permalink)  
Old 04-17-2008
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That's just it, I was able to create the second drive with OpenServer 5 but it fails with 6.

Addendum: Would creating the hard drive completely within OpenServer 5.0.7 and then upgrading to SCO 6? I have been doing the drive creation completely in SCO 6 (erase and re-do the drive completely.) Would the upgrade to 6 allow the drive to be installed automatically?

Last edited by uxlunatick; 04-17-2008 at 07:10 AM.
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  #10 (permalink)  
Old 04-17-2008
jgt jgt is offline
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From SCO Knowledge Base, Article #116163
Quote:
If you see an IO error at this point then it is likely that
you are not able to create any filesystems on that disk.

divvy: could not write new divvy table: I/O error

This could be, for example, because the disk being used
already had an operating system on it and the master boot
record (mbr) ; superblock table needs overwriting with
either a low level format or as root on the OSR6 box run
the "dd" command on to the disk2 (/dev/rhd10):

# dd if=/dev/zero of=/dev/rhd10

After 10 seconds, interrupt this by hitting the <Del> key.

With this command, we have deleted any traces of Partition
table on the first sector on the disk.

This disk will now present itself to the OS as a new
formatted disk. If you are still experiencing problems then
it is possible that the disk may be faulty.
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  #11 (permalink)  
Old 04-17-2008
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Drive is a newly defined RAID 1 disk. Physical drives were initialized with the ServeRAID 8K (with battery) RAID module. Tried setting the RAID 1 drive set up both with the ServeRAID firmware "module" Raid drive creation and ServeRAID 9 Support CD. Also tried with the ServeRAID 9 Application CD RaidMan (Java ServeRAID Manager software.) Also been trying the delete all current partitions and let mkdev hd re-do:

The recommended default partitioning for your disk is:

a 100% "UNIX System" partition.

To select this, please type "y". To partition your disk
differently, type "n" and the "fdisk" program will let you
select other partitions.

So there should not be any operating system on this drive. I will try the article and post back.

Last edited by uxlunatick; 04-17-2008 at 08:16 AM.
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  #12 (permalink)  
Old 04-17-2008
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Solved!

Just completed the install of the second drive. As per to article, the drive had something blocking the mbr / superblock that somehow the mkdev hd did not clear. Even the fdisk write to the master boot code (???) did not fix.

Last edited by uxlunatick; 04-17-2008 at 09:01 AM.
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  #13 (permalink)  
Old 04-17-2008
jgt jgt is offline
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Because fdisk only modifies the section of the master boot block that applies to its (fdisk) OS type.
If you want to completely erase the master boot block, then you have to low level format the disk, which is what happened when dd wrote zeros onto the raw disk device.
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  #14 (permalink)  
Old 04-18-2008
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You would assume that the "initialize hard drives" as part of the RAID controller configuration would do the low-level format? That is what most SCSI RAID controllers do. I guess it is different with SAS.
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