On Nov 22, 2012, at 9:40 AM, Jacky Carimalo wrote:
> Le 20/11/2012 16:39, Tilman Schmidt a écrit :
>> Am 20.11.2012 17:14, schrieb Jacky Carimalo:
>>> Le 20/11/2012 15:32, John Drescher a écrit :
>>>> Also you should avoid /dev/st0 and use /dev/nst0 since /dev/st0 can
>>>> cause corruption in your tapes.
>>>>
>>> But I have no choice :
>>>
>>> bacula2-64:~/bacula/bin# lsscsi -g
>>> [0:0:0:0] disk IFT A16F-R2221 347C /dev/sdb /dev/sg2
>>> [0:0:1:0] tape HP Ultrium 3-SCSI G24H /dev/st0 /dev/sg3
>>> [0:0:1:1] tape HP Ultrium 3-SCSI G24H /dev/st1 /dev/sg4
>>> [0:0:1:2] mediumx OVERLAND NEO Series 0604 /dev/sch0 /dev/sg5
>>> [0:0:1:3] process Over NEO VIA FCO 2.22 - /dev/sg6
>>> ...
>> I think you have. Just because /dev/nst0 isn't listed by lsscsi
>> doesn't mean it isn't there. Look:
>>
>> [ts@backup ~]$ lsscsi -g
>> [0:0:0:0] cd/dvd HL-DT-ST DVDRAM GSA-H12N UL01 /dev/sr0 /dev/sg0
>> [2:0:0:0] disk ATA ST3250620NS 3.AE /dev/sda /dev/sg1
>> [3:0:0:0] disk ATA ST3250620NS 3.AE /dev/sdb /dev/sg2
>> [5:0:5:0] tape HP Ultrium 3-SCSI G54W /dev/st0 /dev/sg3
>> [5:0:5:1] mediumx HP 1x8 autoloader 1.50 /dev/sch0 /dev/sg4
>> [ts@backup ~]$ ls -l /dev/*st0*
>> crw-rw---- 1 root tape 9, 128 19. Okt 16:59 /dev/nst0
>> crw-rw---- 1 root tape 9, 224 19. Okt 16:59 /dev/nst0a
>> crw-rw---- 1 root tape 9, 160 19. Okt 16:59 /dev/nst0l
>> crw-rw---- 1 root tape 9, 192 19. Okt 16:59 /dev/nst0m
>> crw-rw---- 1 root tape 9, 0 19. Okt 16:59 /dev/st0
>> crw-rw---- 1 root tape 9, 96 19. Okt 16:59 /dev/st0a
>> crw-rw---- 1 root tape 9, 32 19. Okt 16:59 /dev/st0l
>> crw-rw---- 1 root tape 9, 64 19. Okt 16:59 /dev/st0m
>>
>>
>
> So, I used as you well indicates : /dev/nst0 and /dev/nst1.
>
> Autochanger {
> Name = OVL_LTO-3
> Device = OVL_LTO-3_Drive-1, OVL_LTO-3_Drive-2
> Changer Device = /dev/changerovllto3
> Changer Command = "/root/bacula/bin/mtx-changer %c %o %S %a %d"
> }
>
> Device {
> Name = OVL_LTO-3_Drive-1
> Drive Index = 0
> Media Type = LTO-3
> AutoChanger = yes
> Archive Device = /dev/nst1
> AutomaticMount = yes; # when device opened, read it
> AlwaysOpen = yes;
> LabelMedia = yes;
> RandomAccess = yes;
> Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> }
>
> Device {
> Name = OVL_LTO-3_Drive-2
> Drive Index = 1
> Media Type = LTO-3
> AutoChanger = yes
> Archive Device = /dev/nst0
> AutomaticMount = yes; # when device opened, read it
> AlwaysOpen = no;
> LabelMedia = yes;
> RandomAccess = yes;
> Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> }
>
> -----------------------------------------------------------------------------------------------
> But there are still errors :
>
> dmesg :
> Nov 22 12:33:22 singleton.u06.univ-nantes.prive kernel: [72917.185264] lpfc
> 0000:08:00.0: 0:(0):0713 SCSI layer issued Device Reset (1, 1) return x2002
> Nov 22 12:33:22 singleton.u06.univ-nantes.prive kernel: [72917.190481] st1:
> Sense Key : Unit Attention [current]
> Nov 22 12:33:22 singleton.u06.univ-nantes.prive kernel: [72917.190487] st1:
> Add. Sense: Bus device reset function occurred
> ...
> -----------------------------------------------------------------------------------------------
>
> with errors in bacula job :
> 2012-11-22 12:33:22 bacula.u11.univ-nantes.prive-
> Error: block.c:590 Write error at 44:14976 on device "OVL_LTO-3_Drive-1"
> (/dev/nst1). ERR=Input/output error.
> Error: Error writing final EOF to tape. This Volume may not be readable.
> dev.c:1566 ioctl MTWEOF error on "OVL_LTO-3_Drive-1" (/dev/nst1).
> ERR=Input/output error.
> ...
> -----------------------------------------------------------------------------------------------
>
> I will try cleaning procedures as last solution for me …
Have we already determined that the SCSI chain is properly terminated?
--
Dan Langille - http://langille.org
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