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Filesystems, Disks and Memory

Disk image !!

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Special Forums Hardware Filesystems, Disks and Memory Disk image !!
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Old 05-21-2006
Disk image !!
Hi all,
I have a SCSI hard disk drive (2GB) I'm installing on it solaris 5 and some other applications on a sun sparc workstation, I made an image file of this H.D using Norton Ghost 6, then I restored this image file on another H.D.D (4GB), I tried to boot the sun sparc workstation with this new H.D.D but it gave me the message "Bad Magic Number" !!!!!!!, what's wrong? I don't know!! The image file was created successfully and restoring the data was made successfully, the only difference is the size of the new H.D.D, so I want to boot the system normally without loosing the data using the new 4GB hard disk. Please tell me the right way to recover the system back without loses.
Note: is there a way to tell the system that the new hard disk is not 4GB and it is 2GB so that the system can recognize the disk and can boot without any error messages?
Thanks and regards
Please reply Smilie
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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)