Re: i386 and sparc64 disks

["Curtis H. Wilbar Jr." <bsd_(_at_)_hawkmountain_(_dot_)_net>]

On Sat, 2004-07-31 at 14:18, scott wrote:
> hi
> 
> my trusty Sun Ultra 10 running OBSD 3.4 died on me last week, and in the 
> short term I have had to setup an Intel based box in it's place
> 
> I've installed OBSD 3.5 onto the i386 system (have misplacd my 3.4 
> CD's), and then cabled the EIDE drive from the Sun system in as a slave 
> drive
> 
> I've had a little read and tried a few things like fdisk wd1 and 
> disklabel wd1, but the information it comes back with does not look too 
> good (output below), it's finding MacOS volumes (the whole disk was 
> allocated to OpenBSD under the Sun box)
> 
> am I likely to be able to mount the ex Sparc64 drive in order to pull 
> data across to the new drive, or do they use disk layout in a slightly 
> different manner ?

Byte ordering on Sun and x86 are different.  I would say this is why
it doesn't see your data.

You'll need to mount the disk another big-ending system to get at
your data.

-- Curt


> 
> any suggestions appreciated
> 
> thanks
> 
> _scott
> 
> 
> 
> mitzi# fdisk wd1
> Disk: wd1       geometry: 1177/240/63 [17796240 Sectors]
> Offset: 0       Signature: 0x7F85
>           Starting       Ending       LBA Info:
>   #: id    C   H  S -    C   H  S [       start:      size   ]
> ------------------------------------------------------------------------
>   0: 01 16644 149 30 - 16644 153 32 [   251666696:         255 ] DOS 
> FAT-12
>   1: A8 16644 214 35 - 16644 218 37 [   251670796:         255 ] MacOS X 
> 
>   2: 01 106523 160  9 - 106527 110 23 [  1610637848:       57345 ] DOS 
> FAT-12
>   3: A4    0   0  1 - -72288 -235 -43 [           0: -1093009408 ] 
> <Unknown ID>
> 
> 
> mitzi# disklabel wd1
> # /dev/rwd1c:
> type: ESDI
> disk: ESDI/IDE disk
> label: ST39140A
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 16
> sectors/cylinder: 1008
> cylinders: 17662
> total sectors: 17803440
> rpm: 3600
> interleave: 1
> trackskew: 0
> cylinderskew: 0
> headswitch: 0           # microseconds
> track-to-track seek: 0  # microseconds
> drivedata: 0
> 
> 16 partitions:
> #        size   offset    fstype   [fsize bsize   cpg]
>    c: 17803440        0    unused        0     0         # (Cyl.    0 - 
> 17662*)
>    i:      255 251666696     MSDOS                       # (Cyl. 
> 249669*- 249669*)
>    j:      255 251670796   unknown                       # (Cyl. 
> 249673*- 249673*)
>    k:    57345 1610637848     MSDOS                              # (Cyl. 
> 1597855*- 1597911*)
> disklabel: partition i: offset past end of unit
> disklabel: partition i: partition extends past end of unit
> disklabel: partition j: offset past end of unit
> disklabel: partition j: partition extends past end of unit
> disklabel: partition k: offset past end of unit
> disklabel: partition k: partition extends past end of unit