Hi all,

I try to use a ditto 2DB drive with my redhat 6.0 box (on the floppy drive 
controller). I have new cartridge.

I tried to backup the /usr/src/linux directory :
cd /usr/src/linux
tar cvf /dev/qft0 .

I had no error in /var/log/messages :
Mar 24 12:19:16 fit kernel: [048]   ftape-ctl.c (ftape_disable_R7b52f04b) - == 
Non-fatal errors this run: ==.
Mar 24 12:19:16 fit kernel: [049]   ftape-ctl.c (ftape_disable_R7b52f04b) - fdc isr 
statistics:
Mar 24 12:19:16 fit kernel:  id_am_errors     :   0
Mar 24 12:19:16 fit kernel:  id_crc_errors    :   0
Mar 24 12:19:16 fit kernel:  data_am_errors   :   0
Mar 24 12:19:16 fit kernel:  data_crc_errors  :   0
Mar 24 12:19:16 fit kernel:  overrun_errors   :   0
Mar 24 12:19:16 fit kernel:  no_data_errors   :   0
Mar 24 12:19:16 fit kernel:  retries          :   0.
Mar 24 12:19:16 fit kernel: [050]   ftape-ctl.c (ftape_disable_R7b52f04b) - ecc 
statistics:
Mar 24 12:19:16 fit kernel:  crc_errors       :   0
Mar 24 12:19:16 fit kernel:  crc_failures     :   0
Mar 24 12:19:16 fit kernel:  ecc_failures     :   0
Mar 24 12:19:16 fit kernel:  sectors corrected:   0.
Mar 24 12:19:16 fit kernel: [051]   ftape-ctl.c (ftape_disable_R7b52f04b) - tape 
motion statistics:
Mar 24 12:19:16 fit kernel: repositions       :   9.

When I try to verify the archive, 'tar df /dev/qft0' reports no error, but I do not 
understand the following messages in /var/log/messages :
Mar 24 12:25:36 fit kernel: [085]     ftape-read.c (correct_and_copy_fraction) - ecc 
corrected segment: 14.
Mar 24 12:25:44 fit kernel: [086]     ftape-read.c (correct_and_copy_fraction) - ecc 
corrected segment: 35.
Mar 24 12:26:30 fit kernel: [087]   ftape-ctl.c (ftape_disable_R7b52f04b) - == 
Non-fatal errors this run: ==.
Mar 24 12:26:30 fit kernel: [088]   ftape-ctl.c (ftape_disable_R7b52f04b) - fdc isr 
statistics:
Mar 24 12:26:30 fit kernel:  id_am_errors     :   0
Mar 24 12:26:30 fit kernel:  id_crc_errors    :   0
Mar 24 12:26:30 fit kernel:  data_am_errors   :   0
Mar 24 12:26:30 fit kernel:  data_crc_errors  :   2     <-------!!!!!!!
Mar 24 12:26:30 fit kernel:  overrun_errors   :   0
Mar 24 12:26:30 fit kernel:  no_data_errors   :   0
Mar 24 12:26:30 fit kernel:  retries          :   0.
Mar 24 12:26:30 fit kernel: [089]   ftape-ctl.c (ftape_disable_R7b52f04b) - ecc 
statistics:
Mar 24 12:26:30 fit kernel:  crc_errors       :   2     <-------!!!!!!!
Mar 24 12:26:30 fit kernel:  crc_failures     :   0
Mar 24 12:26:30 fit kernel:  ecc_failures     :   0
Mar 24 12:26:30 fit kernel:  sectors corrected:   2.    <-------!!!!!!!


Can I make reliable backups even with such warning messages ? Do I need to upgrade to 
fpate 4 ?

PS: I use a Redhat 6.0 box, with ftape v3.04d 25/11/97. I just added the following 
line in my conf.modules file:
alias char-major-27 zftape

Thank you for your help

-- 
Pierre POMES              mailto:[EMAIL PROTECTED]
Interface Technologies

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