Hi,
I've experienced the following problem with ftape-4.02 and an Iomega
Ditto Max Pro. Could anyone enlighten me as to what I've done wrong?
(besides purchasing the Ditto drive, that is :)
These are the steps I took:
I inserted a tape, created a new archive with
tar cf /dev/ftape ./Home
It worked fine modulo a small number of errors:
Mar 1 01:46:16 barney kernel: [190] 0 ftape-ctl.c (ftape_print_history) - fdc isr
statistics:
Mar 1 01:46:16 barney kernel: id_am_errors : 0
Mar 1 01:46:16 barney kernel: id_crc_errors : 0
Mar 1 01:46:16 barney kernel: data_am_errors : 0
Mar 1 01:46:16 barney kernel: data_crc_errors : 0
Mar 1 01:46:16 barney kernel: overrun_errors : 32
Mar 1 01:46:16 barney kernel: no_data_errors : 0
Mar 1 01:46:16 barney kernel: retries : 32.
Mar 1 01:46:16 barney kernel: [191] 0 ftape-ctl.c (ftape_print_history) - ecc
statistics:
Mar 1 01:46:16 barney kernel: crc_errors : 0
Mar 1 01:46:16 barney kernel: crc_failures : 0
Mar 1 01:46:16 barney kernel: ecc_failures : 0
Mar 1 01:46:16 barney kernel: sectors corrected: 0.
Mar 1 01:46:16 barney kernel: [192] 0 ftape-ctl.c (ftape_print_history) - tape
motion statistics:
Mar 1 01:46:16 barney kernel: repositions : 41.
However when I tried to test the archive with
tar df /dev/ftape
I got unrecoverable errors:
Mar 1 01:57:03 barney kernel: [221] 0 ftape-read.c (ftape_ecc_correct_Rbb5b21ee)
- ecc failure on segment 1700.
Mar 1 01:57:03 barney kernel: [222] 0 ftape-read.c (ftape_read_segment_R6efe3e5e)
- ecc failed, retry.
Mar 1 01:57:09 barney kernel: [223] 0 ftape-read.c (ftape_ecc_correct_Rbb5b21ee)
- ecc failure on segment 1700.
Mar 1 01:57:09 barney kernel: [224] 0 ftape-read.c (ftape_read_segment_R6efe3e5e)
- ecc failed, retry.
Mar 1 01:57:16 barney kernel: [225] 0 ftape-read.c (ftape_ecc_correct_Rbb5b21ee)
- ecc failure on segment 1700.
Mar 1 01:57:16 barney kernel: [226] 0 ftape-read.c (ftape_read_segment_R6efe3e5e)
- ecc failed, retry.
Mar 1 01:57:17 barney kernel: [227] 0 ftape-read.c (ftape_read_segment_R6efe3e5e)
- too many retries on ecc failure.
Mar 1 01:57:17 barney kernel: [228] 0 zftape-read.c (zft_fetch_segment_R0dc8d243) -
seg_sz = ftape_read_segment_R6efe3e5e(zftape->ftape, segment, buffer, read_mode)
failed: -5.
and so on, until I was forced to ^C the command. Here's the summary:
Mar 1 02:01:20 barney kernel: [025] 0 ftape-ctl.c (ftape_print_history) - fdc isr
statistics:
Mar 1 02:01:20 barney kernel: id_am_errors : 0
Mar 1 02:01:20 barney kernel: id_crc_errors : 0
Mar 1 02:01:20 barney kernel: data_am_errors : 0
Mar 1 02:01:20 barney kernel: data_crc_errors : 11
Mar 1 02:01:20 barney kernel: overrun_errors : 11
Mar 1 02:01:20 barney kernel: no_data_errors : 0
Mar 1 02:01:20 barney kernel: retries : 6.
Mar 1 02:01:20 barney kernel: [026] 0 ftape-ctl.c (ftape_print_history) - ecc
statistics:
Mar 1 02:01:20 barney kernel: crc_errors : 12
Mar 1 02:01:20 barney kernel: crc_failures : 0
Mar 1 02:01:20 barney kernel: ecc_failures : 23
Mar 1 02:01:20 barney kernel: sectors corrected: 12.
Mar 1 02:01:20 barney kernel: [027] 0 ftape-ctl.c (ftape_print_history) - Warning:
5 media defects!.
Mar 1 02:01:20 barney kernel: [028] 0 ftape-ctl.c (ftape_print_history) - tape
motion statistics:
Mar 1 02:01:20 barney kernel: repositions : 31.
On another issue, it took almost 20 minutes to write 200Mb to the
tape. Is this not a little slow?
I run Linux 2.0.27 on a PPro 200 with 128 Mb RAM.
My version of tar is GNU tar 1.11.8, and that of ftape is 4.02.
Thanks a lot in advance for any help.
Cheers, Jose
--
Dr Jos� M Figueroa-O'Farrill, Physics, QMW, London E1 4NS, UK
+44.171.415-3781 (voice) +44.181.981-9465 (fax)
mailto:[EMAIL PROTECTED] or mailto:[EMAIL PROTECTED]
http://www.strings.ph.qmw.ac.uk/~jmf
