Replace Disk Post: 302455834

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Operating Systems SCO Replace Disk Post 302455834 by panos83 on Wednesday 22nd of September 2010 01:41:25 PM

09-22-2010

Registered User

I got the information you asked:

Now, the OS is SCO OpenServer 5.0.7
About the hardware, i still don't have the information about the controller, all i know is that the broken HD is a Toshiba MK2018GAS and the new HD is a WD1200B EVE

I have an old image from the Toshiba. Now that Toshiba HD is broken, i restored the
image file to the new HD (Western Digital) and i get the errors bellow:

warning:hd:noroot disk controler was found
hd:a boot-time loadable driver may be required
h i init
panic:srmount fan-error19 mounting rootdev(1/42)
error 19 opening dumpdev(1/41)
dump not completed
safe to power off

The cpu is a PIII and i did't find any problems related to that.

As a newbie to SCO i can't bypass this problem and map the OS to new disc
Forgive me for my bad English.

Any help would be really grateful.

Panos

---------- Post updated at 08:41 PM ---------- Previous update was at 08:21 PM ----------

The new drive uses the same disk controller driver as the old one, however...
There are two issues that you will have to deal with. The first is the CMOS settings for how SATA drives are to be treated. You must use legacy mode, so that the disk appears to be the primary master.
Secondly, the disk geometry is different for the new drive. Use the biosgeom(cyl,heads,sectors) boot string to tell the kernel that the drive has a different number of cylinders heads and sectors. Use the native mode numbers, not LBA or LARGE.
After you have booted, use the "dparam" command to permanently change these values.
You said that the cpu is a P3. Are you using a non standard SATA controller?

As i understand and correct me if i a wrong, when you say CMOS settings do you
refer through BIOS settings? Legacy mode has to be configured through the BIOS?

panos83

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LEARN ABOUT PLAN9

wren

WREN(3) 						     Library Functions Manual							   WREN(3)

NAME

       wren, ata - hard disk interface

SYNOPSIS

       bind #H[drive] /dev
       bind #w[target[.lun]] /dev

       /dev/hd0disk
       /dev/hd0partition
       /dev/sd0disk
       /dev/sd0partition
	...

DESCRIPTION

       The  hard  disk interfaces (wren, #w, is a SCSI disk; ata, #H, is an IDE or ATA disk) serve a one-level directory giving access to the hard
       disk partitions.  The parameter to attach defines the numerical SCSI target and logical unit number or the  IDE	drive  number  to  access.
       Both default to zero.

       Each  partition name is prefixed by hd and the numeric drive identifier.  The partition always exists and covers the entire disk.  The size
       of each partition as reported by stat(2) is the number of bytes in the partition, so the size of is the size of the entire disk.

       The partition also always exists; it is the last block on the disk for SCSI, second to last for IDE.  If it contains valid partition  data,
       those  partitions will be visible as well.  Every time the device is bound, the partitions are updated to reflect any changes in the parti-
       tion file.

       The format of the partition file is the string

	      plan9 partitions

       on a line, followed by partition specifications, one per line, consisting of a name and textual strings for the block start and	limit  for
       each partition on the disk.

       The program prep(8) writes the partition table for the disk; its use is preferred to writing it by hand.

SEE ALSO

       prep(8), scsi(3)

SOURCE

       /sys/src/9/port/devwren.c
       /sys/src/9/pc/devata.c

																	   WREN(3)

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