misc/126882: dump(8) ok, but restore(8) via -P and SSH failes
Matthias Apitz
guru at unixarea.de
Wed Aug 27 11:10:04 UTC 2008
>Number: 126882
>Category: misc
>Synopsis: dump(8) ok, but restore(8) via -P and SSH failes
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Aug 27 11:10:03 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator: Matthias Apitz
>Release: FreeBSD 7.0-RELEASE
>Organization:
>Environment:
FreeBSD rebelion.Sisis.de 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC 2008 root at logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
>Description:
Some days ago I have done a dump of my /usr file system with:
# dump -0auL -P "ssh guru at albatros 'gzip -c > dumpsRebelion/usr.dmp.gz'" /usr
the DUMP ended fine with no errors; today I try to reload certain
directory with:
$ restore -xv -P "ssh guru at albatros 'gzip -dc dumpsRebelion/usr.dmp.gz'" ./home/guru/myThings/Espanol/diario2008
and it says:
Verify tape and initialize maps
Tape block size is 16
Header with wrong dumpdate.
Dump date: Mon Aug 25 09:56:58 2008
Dumped from: the epoch
Level 0 dump of /usr on rebelion.Sisis.de:/dev/ad4s1f
Label: none
Extract directories from tape
Initialize symbol table.
Make node ./home
Make node ./home/guru
Make node ./home/guru/myThings
Make node ./home/guru/myThings/Espanol
Make node ./home/guru/myThings/Espanol/diario2008
Make node ./home/guru/myThings/Espanol/diario2008/enanitos
Make node ./home/guru/myThings/Espanol/diario2008/imagenes
Make node ./home/guru/myThings/Espanol/diario2008/CVS
Extract requested files
You have not read any tapes yet.
If you are extracting just a few files, start with the last volume
and work towards the first; restore can quickly skip tapes that
have no further files to extract. Otherwise, begin with volume 1.
Specify next volume #: 1
partial block read: 16128 should be 16384
partial block read: 256 should be 16384
partial block read: 16128 should be 16384
unknown tape header type 6697331
abort? [yn]
the DUMP itself seems to be OK because this works:
ssh guru at albatros 'cat dumpsRebelion/usr.dmp.gz' | gzip -dc | restore -xv -f - ./home/guru/myThings/Espanol/diario2008
the problem seems to be -P related
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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