dump/restore in 4.3 BSD Unix + NFS

Sundar Narasimhan sundar at mit-hermes.ai.mit.edu.AI.MIT.EDU
Tue Feb 16 13:29:49 AEST 1988


Hi:
We converted to 4.3 a while back with a tape that was originally from 
UW (4.3 BSD Unix + NFS). Our machine is a VAX 11/750 with two CDC 9772 disks.

A few days ago, one of our filesystems suffered minor damage and we tried
restoring it from our back up tapes. Lo and behold, we then discovered that
our dump / restore combination really doesn't work. 

When we try restore r or restore x, we get a lot of "resync restore: skipped
num blocks" repeatedly and the restore aborts with ". not found on tape?"

If we try restore -i and then a "add ." the program complains about 
the same corrupted directory and aborts (i.e. it doesn't add all the 
sub directories correctly to be extracted).

We poked around a bit, but none of the dump/restore combinations we have 
tried thus far seem to work. Now, has anyone else had this problem? What's 
the needed fix? 

-Sundar

please reply to: sundar at wheaties.ai.mit.edu, sundar at hermes.ai.mit.edu



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