copying cd to disk leaves one file with zeroes

[Michael Schulte zur Sur]

Tru Unix 5.1A PK4.
Ich have copyied a cd to disk with:
vdump -f - -D /cdrom | vrestore -xf - -D /stage/disk1
On cd the file disk.label was:
5b47 656e 6572 616c 5d0a 4c61 6265 6c3d [General].Label=
6f72 636c 3932 300a 4e75 6d62 6572 3d31 orcl920.Number=1
0a53 697a 653d 3634 352e 300a 5265 7365 .Size=645.0.Rese
7276 6564 5369 7a65 3d31 352e 300a 0a0a rvedSize=15.0...
On disk it was:
0000 0000 0000 0000 0000 0000 0000 0000 ................
0000 0000 0000 0000 0000 0000 0000 0000 ................
0000 0000 0000 0000 0000 0000 0000 0000 ................
0000 0000 0000 0000 0000 0000 0000 0000 ................
When I copyied it with cp, it worked.
It is the same with all four Oracle Server Enterprise Edition cd??s.
What can it be?
any ideas?

Michael Schulte

[Ralf Puchner · Accepted solution]

Well known problem on 5.1/5.1A/5.1B, it exists if vdump/vrestore files <512 with cdfs filesystem.

Fixed with next available patch kits.
Workaround: cp, tar