SunOS 4.1.4 Tape Restore

From: Jeremy Jin @ Nucleus (@)
Date: Wed Sep 24 2003 - 15:42:12 EDT


Hello,

We have an old sparc 4 system installed with SunOS 4.1.4 which hard disk
corrupted recently. So I tried to restore the whole file system from backup
tape which is on another solaris 8 system. There are 3 file systems to
restore, /, /usr, /home.

What I did is,

1) Boot the sparc 4 from SunOS 4.1.4 CD
2) Install Mini OS
3) Restart from the mini OS.
4) Login
5) ifconfig le0 192.168.1.100
6) echo "192.168.1.200 hosta" >> /etc/hosts
7) newfs /dev/rsd0a
8) mount /dev/sd0a /a
9) cd /a
10) restore rf hosta:/dev/rmt/0n

It did restore the one file system to it. Then i began to restore /usr,

1) umount /a
2) newfs /dev/rsd0g
3) mount /dev/sd0g /a
4) cd /a
5) restore rf hosta:/dev/rmt/0n

Unfortunately, it didn't work. Instead, it displayed the following error
message,
/: write failed, file system is full
/: file system full
....
...
expected file nnnnnn, got mmmmmmm
expected file xxxxxx, got yyyyyyy

Then I tried the 3rd backed up file system, /home, it also worked.

I guess it is caused by bad backup tape, so replace with another one, same
problem happened.
Then I tried to restore the tape on another SunOS 4 system, everything is
OK.

I tried to use interactive restore, same problem happened.

I don't know what I should do, so I reinstalled the mini OS, and repartition
the disk. Then repeated above steps.
But things got worse, I cannot restore any file system!!!

Thanks in advance.

Jeremy
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