Le Tue, 29 Dec 2015 19:46:11 +0200
"Kai Mäkisara (Kolumbus)" <[email protected]> écrivait:
> It seems that you have not told the st driver that your drive knows
> partitions. One way to set the options is to use the stint program
> and proper definitions. You can also use mtst -f /dev/nst0
> stsetoption can-partitions
>
Silly me. I forgot that one.
> The st driver prints some debugging data to the kernel log if
> debugging is enabled. If the driver is compiled with debugging (it is
> nowadays default but in 3.18 you should change DEBUG to 1 in st.c).
Yup this is the output from the driver with DEBUG at 1.
> The debugging output can be enabled with the command: mtst
> -f /dev/nst0 stsetoption debug
Ah yes, it works!
> Regardless whether the partitioning works with your drive, your
> should see at least few lines after “Rewinding tape”. The driver
> first reads the partition mode page and (for testing) prints some
> data from the page.
So here is the result of my testings so far. Alas, it fails on the
goal line!:
# mt -f /dev/st0 stsetoption debug
Dec 29 17:57:38 shakuhachi kernel: st 7:0:0:0: st0: Block limits 1 - 16777215
bytes.
Dec 29 17:57:38 shakuhachi kernel: st 7:0:0:0: st0: Mode sense. Length 11,
medium 0, WBS 10, BLL 8
Dec 29 17:57:38 shakuhachi kernel: st 7:0:0:0: st0: Density 58, tape length: 0,
drv buffer: 1
Dec 29 17:57:38 shakuhachi kernel: st 7:0:0:0: st0: Block size: 0, buffer size:
4096 (1 blocks).
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: Error: 8000002, cmd: 0 0 0
0 0 0
Dec 29 18:51:45 shakuhachi kernel: st0: Sense Key : Unit Attention [current]
Dec 29 18:51:45 shakuhachi kernel: st0: Add. Sense: Not ready to ready change,
medium may have changed
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: Block limits 1 - 16777215
bytes.
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: Mode sense. Length 11,
medium 0, WBS 10, BLL 8
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: Density 5a, tape length: 0,
drv buffer: 1
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: Block size: 0, buffer size:
4096 (1 blocks).
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: Mode 0 options: buffer
writes: 1, async writes: 1, read ahead: 1
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: can bsr: 1, two FMs: 0,
fast mteom: 0, auto lock: 0,
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: defs for wr: 0, no
block limits: 0, partitions: 0, s2 log: 0
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: sysv: 0 nowait: 0 sili:
0 nowait_filemark: 0
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: debugging: 1
Dec 29 18:51:45 shakuhachi kernel: st 7:0:0:0: st0: Rewinding tape.
# tapeinfo -f /dev/sg6
Product Type: Tape Drive
Vendor ID: 'HP '
Product ID: 'Ultrium 6-SCSI '
Revision: '329U'
Attached Changer API: No
SerialNumber: 'HU1302U4RC'
MinBlock: 1
MaxBlock: 16777215
SCSI ID: 0
SCSI LUN: 0
Ready: yes
BufferedMode: yes
Medium Type: Not Loaded
Density Code: 0x5a
BlockSize: 0
DataCompEnabled: yes
DataCompCapable: yes
DataDeCompEnabled: yes
CompType: 0x1
DeCompType: 0x1
BOP: yes
Block Position: 0
ActivePartition: 0
EarlyWarningSize: 0
NumPartitions: 0
MaxPartitions: 3
~# mt -f /dev/st0 stsetoption can-partitions
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: Block limits 1 - 16777215
bytes.
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: Mode sense. Length 11,
medium 0, WBS 10, BLL 8
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: Density 5a, tape length: 0,
drv buffer: 1
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: Block size: 0, buffer size:
4096 (1 blocks).
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: Updating partition number
in status.
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: Got tape pos. blk 0 part 0.
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: Mode 0 options: buffer
writes: 1, async writes: 1, read ahead: 1
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: can bsr: 1, two FMs: 0,
fast mteom: 0, auto lock: 0,
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: defs for wr: 0, no
block limits: 0, partitions: 1, s2 log: 0
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: sysv: 0 nowait: 0 sili:
0 nowait_filemark: 0
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: debugging: 1
Dec 29 18:54:04 shakuhachi kernel: st 7:0:0:0: st0: Rewinding tape.
# mt -f /dev/st0 mkpartition 1
/dev/st0: Input/output error
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Block limits 1 - 16777215
bytes.
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Mode sense. Length 11,
medium 0, WBS 10, BLL 8
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Density 5a, tape length: 0,
drv buffer: 1
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Block size: 0, buffer size:
4096 (1 blocks).
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Rewinding tape.
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Partition page length is 16
bytes.
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: PP: max 3, add 0, xdp 1,
psum 03, pofmetc 0,rec 03 units 09, sizes: 2620 0
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: psd_cnt 2, max.parts 3,
nbr_parts 0
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Formatting tape with two
partitions (FDP).
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Sent partition page length
is 12 bytes. needs_format: 0
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: PP: max 3, add 1, xdp 4,
psum 00, pofmetc 0,rec 03 units 00, sizes: 65535 0
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Error: 8000002, cmd: 15 10
0 0 18 0
Dec 29 18:55:54 shakuhachi kernel: st0: Sense Key : Illegal Request [current]
Dec 29 18:55:54 shakuhachi kernel: st0: Add. Sense: Invalid field in parameter
list
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Partitioning of tape failed.
Dec 29 18:55:54 shakuhachi kernel: st 7:0:0:0: st0: Rewinding tape.
--
------------------------------------------------------------------------
Emmanuel Florac | Direction technique
| Intellique
| <[email protected]>
| +33 1 78 94 84 02
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