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Date:      Mon, 7 Aug 2000 20:13:21 -0700
From:      "Sam" <freep@thecity.sfsu.edu>
To:        <freebsd-questions@freebsd.org>
Subject:   "tape is now frozen"
Message-ID:  <NCBBJPDLBJCLBBFADHOMKEAMDGAA.freep@thecity.sfsu.edu>

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We are using a Tekram DC-315U with Tekram's 3.4 driver with an HP SureStore
DAT24i Internal SCSI drive, on a FreeBSD 3.5-STABLE. We can use 'dump' to
backup to the drive without errors, but when we try to use 'restore' we get
an 'Input/Output' error. We have tried multiple tapes with the same result.
Logs follow:

[root@sol /]# mt erase 0
[root@sol /]# mt rewind
[root@sol /]# mt status
Mode      Density              Blocksize      bpi      Compression
Current:  0x24:DDS-2           variable       61000    DCLZ
---------available modes---------
0:        0x24:DDS-2           variable       61000    DCLZ
1:        0x24:DDS-2           variable       61000    DCLZ
2:        0x24:DDS-2           variable       61000    DCLZ
3:        0x24:DDS-2           variable       61000    DCLZ
---------------------------------
Current Driver State: at rest.
---------------------------------
File Number: 0  Record Number: 0
[root@sol /]# dump 0uaf /dev/nrsa0 /var
  DUMP: Date of this level 0 dump: Mon Aug  7 19:42:44 2000
  DUMP: Date of last level 0 dump: the epoch
  DUMP: Dumping /dev/rwd0s1e (/var) to /dev/nrsa0
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 14863 tape blocks.
  DUMP: dumping (Pass III) [directories]
  DUMP: dumping (Pass IV) [regular files]
  DUMP: DUMP: 14824 tape blocks on 1 volume
  DUMP: finished in 17 seconds, throughput 872 KBytes/sec
  DUMP: level 0 dump on Mon Aug  7 19:42:44 2000
  DUMP: Closing /dev/nrsa0
  DUMP: DUMP IS DONE
[root@sol /]# restore -i -s 1 -f /dev/nrsa0
tape read error: Input/output error
[root@sol /]# tail /var/log/messages
[..removed..]
Aug  7 19:45:25 sol /kernel: (sa0:tekram_trm0:0:3:0): tape is now frozen-
use an OFFLINE, REWIND or MTEOM command to clear this state.
[root@sol /]# date
Mon  7 Aug 19:46:34 PDT 2000

Any input would be greatly appreciated.



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