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Conference turris::digital_unix

Title:	DIGITAL UNIX(FORMERLY KNOWN AS DEC OSF/1)
Notice:	Welcome to the Digital UNIX Conference
Moderator:	SMURF::DENHAM

Created:	Thu Mar 16 1995
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	10068
Total number of notes:	35879

9396.0. "Can't read a multivolume tape" by VAXRIO::63116::CARDOSO () Fri Apr 04 1997 15:51

Hi,


         I'm having some problems with a customer who is trying to read some 
files recorded by a Silicon Graphics system. It's a multivolume tar but he 
never get a change volume request. He is running Digital UNIX v3.2c and
the tape used is a TLZ07.

        The output of tar command:

# tar tv
blocksize = 20
drwxrwxr-x   213/15       0 Dec  6 17:45:54 1996 /sgs4/dsb8/divino
-rw-rw-rw-   213/15     598 Dec  3 18:38:57 1996 /sgs4/dsb8/divino/etopo5_s03.
ddr.a007F3
-rw-rw-rw-   213/15     598 Dec  4 18:34:09 1996 /sgs4/dsb8/divino/etopo5_s06.
ddr.a005gL
-rw-rw-rw-   213/15     598 Dec  3 19:17:36 1996 /sgs4/dsb8/divino/etopo5_s10. 
ddr.a00691
-rw-rw-rw-   213/15    2635 Dec  3 14:14:20 1996 /sgs4/dsb8/divino/etopo5_s03.
his.a007F3
-rw-rw-rw-   213/15    2200 Dec  3 19:05:27 1996 /sgs4/dsb8/divino/etopo5_s06.
his.a005gL
-rw-rw-rw-   213/15     151 Dec  3 19:17:36 1996 /sgs4/dsb8/divino/etopo5_s10.
his.a00691
-rw-rw-r--   213/15  683636 Dec  5 11:51:33 1996 /sgs4/dsb8/divino/etopo5_63_l
am.img.a003pM
-rw-rw-rw-   213/15 161141820 Dec  4 16:16:52 1996 /sgs4/dsb8/divino/s06_ozone
7.img.a0024z

tar: [offset 390m+270k+0]: I/O error
tar: [offset 390m+280k+0]: I/O error
tar: [offset 390m+290k+0]: I/O error
tar: [offset 390m+300k+0]: I/O error
.       .       .       .       .
.       .       .       .       .       
.       .       .       .       .
tar: [offset 461m+676k+0]: I/O error
tar: [offset 461m+686k+0]: I/O error
tar: [offset 461m+696k+0]: I/O error
tar: [offset 461m+706k+0]: I/O error
tar: /sgs4/dsb8/divino/s06_ozone2.img.a001AM : File data is corrupt


        Is it a midia problem or a multivolume tar compatibility problem ? 

        Thanks in advance,

        Daniel Cardoso
        MCS-CSC/Brazil

T.R Title User Personal
Name Date Lines

9396.1 NABETH::alan Dr. File System's Home for Wayward Inodes. Fri Apr 04 1997 20:33 4

T.R	Title	User	Personal Name	Date	Lines
9396.1		NABETH::alan	Dr. File System's Home for Wayward Inodes.	`Fri Apr 04 1997 20:33`	4
	I'd use the error log formatter (uerf or dia) to see what those I/O errors are. Of course it could be that our tar and their tar don't agree on how to write a multi-volume archive and our tar is interpreting their method as a corrupt archive.

	I'd use the error log formatter (uerf or dia) to see what those
	I/O errors are.  Of course it could be that our tar and their tar
	don't agree on how to write a multi-volume archive and our tar is
	interpreting their method as a corrupt archive.