Pierre Bernhardt schrieb:
Hi after some time.
The problem comes from a usb to scsi adapter interface which have
some timing problems under vmware.
I've changed to a adaptec 2940 and now the problem is gone.
MfG...
Pierre Bernhardt
> Hi,
>
> I have no more idea and my search was not successful.
>
> btape test command will bring my tapes and/or st in an hanging
> state.
>
> Here my config I made the latest test:
>
> Device {
> Name = Loader_8x12
> Media Type = DDS-3
> Archive Device = /dev/nst0
> AutomaticMount = yes; # when device opened, read it
> AlwaysOpen = yes;
> RemovableMedia = yes;
> RandomAccess = no;
> Changer Command = "/etc/bacula/scripts/mtx-changer %c %o %S %a %d"
> Changer Device = /dev/sg1
> AutoChanger = yes
> Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> Hardware End of File = no
> TWOEOF = yes
> Fast Forward Space File = no
> }
>
> I've checked first without Hardware End of File, TWOEOF and
> Fast Forward Space File settings with nearly same results.
>
> My system is Debian Sarge 2.6.8-2-386 and btape is from
> sarge DVD and has release 1.36.2.
>
> Here the test with debug:
>
> debian:~# btape -c /etc/bacula/bacula-sd.conf -d 99 -v -p /dev/nst0
> Tape block granularity is 1024 bytes.
> btape: stored_conf.c:453 Inserting director res: debian-mon
> btape: stored_conf.c:453 Inserting device res: Loader_8x12
> btape: butil.c:258 Using device: "/dev/nst0" for writing.
> btape: dev.c:215 init_dev: tape=1 dev_name=/dev/nst0
> btape: dev.c:255 open_dev: tape=1 dev_name=/dev/nst0 vol=
> btape: dev.c:260 open_dev: device is tape
> btape: dev.c:310 open_dev: tape 3 opened
> btape: butil.c:170 Device opened for read.
> btape: btape.c:335 open_dev /dev/nst0 OK
> *test
>
> === Write, rewind, and re-read test ===
>
> I'm going to write 1000 records and an EOF
> then write 1000 records and an EOF, then rewind,
> and re-read the data to verify that it is correct.
>
> This is an *essential* feature ...
>
> btape: dev.c:374 rewind_dev /dev/nst0
> btape: btape.c:786 Wrote 1000 blocks of 64412 bytes.
> btape: dev.c:1200 weof_dev
> btape: btape.c:465 Wrote 1 EOF to /dev/nst0
> btape: btape.c:802 Wrote 1000 blocks of 64412 bytes.
> btape: dev.c:1200 weof_dev
> btape: btape.c:465 Wrote 1 EOF to /dev/nst0
> btape: dev.c:1200 weof_dev
> btape: btape.c:465 Wrote 1 EOF to /dev/nst0
> btape: dev.c:374 rewind_dev /dev/nst0
> btape: btape.c:811 Rewind OK.
> 1000 blocks re-read correctly.
> 12-Oct 13:44 btape: btape Error: block.c:782 Read error at file:blk 0:1000 on
> device /dev/nst0. ERR=Input/output error.
> btape: btape.c:823 Read block 1001 failed! ERR=Input/output error
> *status
> Bacula status: file=0 block=1000
> btape: btape.c:1707 Device status: 0. ERR=dev.c:639 ioctl MTIOCGET error on
> /dev/nst0. ERR=Input/output error.
>
> *quit
> btape: dev.c:1342 really close_dev /dev/nst0
> btape: dev.c:1477 term_dev
> Pool Maxsize Maxused Inuse
> NoPool 256 7 0
> NAME 130 0 0
> FNAME 256 7 0
> MSG 64512 3 0
> EMSG 1024 2 0
>
> debian:~# mt status
> /dev/tape: Input/output error
>
> It's look like that the EOF marker could not be found.
> An second drive (DDS-2) which I've checked before has
> exactly the same problem.
>
> The tape will not really further work but after remove/add
> scsi operation on /proc/scsi/scsi the tape is normaly
> back and functional.
>
> Normal stores and recovers with dump has no problems shown.
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