Re: [Bacula-users-es] Errores de I/O en el test de btape

[Kern S. <ke...@si...>]

What tape driver are you using?  If you are using the Open Source
IBM tape driver, it does not work.

You should be using the standard Linux st driver.

Regards,

Kern

On 10/11/2011 10:14 PM, Yozua Lopez wrote:
> Hola, estoy teniendo problemas en seguir respaldando en una cinta 
> despues de hacer restauraciones debido a que el sistema me escribe un 
> "End of Volume", y quizas el problema radica en lo siguiente:
> Durante el test con btape que realizo a mi dispositivo de cinta 
> obtengo los siguientes errores marcados en negrita y subrayados.
> SO: Linux debian 2.6.32-5-amd64
> Version Bacula: 5.0.3
> Libreria de cintas: IBM TS3200 Tape Library
> === Write, rewind, and re-read test ===
> TODO BIEN AQUI
> === Test Succeeded. End Write, rewind, and re-read test ===
>  === Append files test ===
> This test is essential to Bacula.
> I'm going to write one record  in file 0,
>                    two records in file 1,
>              and three records in file 2
> btape: btape.c:578 Rewound "LTO-4-1" (/dev/IBMtape0)
> btape: btape.c:1905 Wrote one record of 64412 bytes.
> btape: btape.c:1907 Wrote block to device.
> btape: btape.c:608 Wrote 1 EOF to "LTO-4-1" (/dev/IBMtape0)
> btape: btape.c:1905 Wrote one record of 64412 bytes.
> btape: btape.c:1907 Wrote block to device.
> btape: btape.c:1905 Wrote one record of 64412 bytes.
> btape: btape.c:1907 Wrote block to device.
> btape: btape.c:608 Wrote 1 EOF to "LTO-4-1" (/dev/IBMtape0)
> btape: btape.c:1905 Wrote one record of 64412 bytes.
> btape: btape.c:1907 Wrote block to device.
> btape: btape.c:1905 Wrote one record of 64412 bytes.
> btape: btape.c:1907 Wrote block to device.
> btape: btape.c:1905 Wrote one record of 64412 bytes.
> btape: btape.c:1907 Wrote block to device.
> btape: btape.c:608 Wrote 1 EOF to "LTO-4-1" (/dev/IBMtape0)
> btape: btape.c:476 open device "LTO-4-1" (/dev/IBMtape0): OK
> btape: btape.c:578 Rewound "LTO-4-1" (/dev/IBMtape0)
> btape: btape.c:1418 Now moving to end of medium.
> _*btape: btape.c:626 dev.c:1389 read error on "LTO-4-1" 
> (/dev/IBMtape0). ERR=Input/output error.*
> _We should be in file 3. I am at file 3. This is correct!
> Now the important part, I am going to attempt to append to the tape.
> btape: btape.c:1905 Wrote one record of 64412 bytes.
> btape: btape.c:1907 Wrote block to device.
> btape: btape.c:608 Wrote 1 EOF to "LTO-4-1" (/dev/IBMtape0)
> btape: btape.c:578 Rewound "LTO-4-1" (/dev/IBMtape0)
> /*Done appending, there should be no I/O errors*/
> Doing Bacula scan of blocks:
> 1 block of 64448 bytes in file 1
> End of File mark.
> 2 blocks of 64448 bytes in file 2
> End of File mark.
> 3 blocks of 64448 bytes in file 3
> End of File mark.
> 1 block of 64448 bytes in file 4
> End of File mark.
> *_11-Oct 14:13 btape JobId 0: Error: block.c:1002 Read error on fd=3 
> at file:blk 4:0 on device "LTO-4-1" (/dev/IBMtape0). ERR=Input/output 
> error._*
> Total files=4, blocks=7, bytes = 451,136
> End scanning the tape.
> We should be in file 4. I am at file 4. This is correct!
> The above Bacula scan should have output identical to what follows.
> Please double check it ...
> === Sample correct output ===
> 1 block of 64448 bytes in file 1
> End of File mark.
> 2 blocks of 64448 bytes in file 2
> End of File mark.
> 3 blocks of 64448 bytes in file 3
> End of File mark.
> 1 block of 64448 bytes in file 4
> End of File mark.
> Total files=4, blocks=7, bytes = 451,136
> === End sample correct output ===
> If the above scan output is not identical to the
> sample output, you MUST correct the problem
> or Bacula will not be able to write multiple Jobs to
> the tape.
>
> === Write, backup, and re-read test ===
> TODO BIEN AQUI
> === End Write, backup, and re-read test ===
>
> === Forward space files test ===
> TODO BIEN AQUI
> === End Forward space files test ===
> Aunque el test completo lo realiza correctamente aun en las secciones 
> donde aparecen lo errores me pregunto si esto es lo que afecta mi 
> sistema al momento de volver a respaldar despues que hacer 
> restauraciones, apreciaria cualquier aclaracion o ayuda para la 
> resolucion de este problema, adjunto tambien la configuracion del 
> Device de mi storage daemon.
> Device {
>   Name = LTO-4-1
>   Media Type = LTO-4
>   Archive Device = /dev/IBMtape0
>   AutomaticMount = yes;               # when device opened, read it
>   AlwaysOpen = yes;
>   RemovableMedia = yes;
>   RandomAccess = no;
>   Hardware End of Medium = no;
>   Fast Forward Space File = no;
>   Check Labels = yes;
>   Maximum File Size = 50GB
>   AutoChanger = yes
> # #  Enable the Alert command only if you have the mtx package loaded
>   Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> ## If you have smartctl, enable this, it has more info than tapeinfo
> ## Alert Command = "sh -c 'smartctl -H -l error %c'"
> }
> De antemano muchas gracias por su atencion, y estoy en espera de 
> su respuesta.
>
>
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