Is UNIX hardware sensitive?

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10-24-2005

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Is UNIX hardware sensitive?

Our server at work is a UNIX SCO system. The motherboard in the server went bad, and since the machine (IBM 300GL) is outdated, the PC repair place can't get a part to fix it. They told us that we can have our hard drive (we need to save the data) moved to a new machine, but they are unsure if moving the hard drive will cause it to crash, like Windows XP does.

Does anyone know if the hard drive will crash if it is moved, or will it be safe?

Thanks

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10-25-2005

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It is highly unlikely putting that hard drive in a new system will allow it to boot properly. The drivers and devices would be all messed up.

Your best bet is to install the same version of Unix on a different system, then attach your hard drive from the dead machine as a 2nd hard drive. That will allow you to copy the data off of it.

I've never used SCO Unix before so I don't know the exact steps. I'm sure your PC repair place won't know it either. You are probably in a situation where you need to hire a consultant with SCO experience for a day or two to set up the new server and copy your data over.

One other possibility is if you have a recent backup tape of that hard drive you could just build a new SCO server and restore your data from the backup. But from the info in your post it sounds like you probably don't have a backup tape to do that.

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10-25-2005

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You can build a Linux kernel, I'm pretty sure, that will support the SCO file system.

Also, see this web discussion.

Quote:

For now you can do the following:
simply create a SCO filesystem on a raw partition manually, Linux will be
able to mount that filesystem, and so will SCO.

"mdev hd" is a script that runs fdisk, then divvy, then mkfs (among other
things)

The easiest way to go would be to run mkdev hd to add a new hard drive,
(this creates the /dev/hdxxx device files for you) then determine the
device name for your new raw partition (or whole drive for that metter,
you actually do not need any partitions at all, not even one that takes up
the whole drive)

then dd if=/dev/zero of=/dev/hd10 (for whole 2nd ide drive for instance)
then mkfs -f HTFS /dev/hd10
then mkdir /d2
then mount -f HTFS /dev/hd10 /d2
then to copy your "u" filesystem,
cd /u; tar cf - . | (cd /d2 ;tar xf -)
then in Linux:
mkdir /d2
modprobe sysv
mount -t sysv /dev/hdb /d2

Note: if Linux can't read the HTFS filesystem, you may need to try
substituting one of the following until it works. I know for a fact Linux
reads Xenix just fine, but Xenix fs has yucky limitations like 14
character name length

AFS Acer Fast Filesystem
DTFS Desktop Filesystem
EAFS Extended Acer Fast Filesystem
HTFS High Throughput Filesystem
S51KB AT&T UNIX(R) System V 1KB Filesystem
XENIX XENIX(R) filesystem

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