Hello,
I doubt that you have ANSI/IBM labels, do you?
Then please set "Check Labels" to no.
On 11.05.2016 03:30, Michael Ferry wrote:
> Hello, I have recently installed bareos on a centos 7.1 system using a
> Quantum scalar i40 tape
> library with a IBM ultrium LTO-6 tape drive. So far things are going well
> although I am
> encountering an error that shows up when I change tapes in the tape drive.
> The error shows up in
> the bareos log as:
>
> 2016-05-10 18:07:41 burr-sd JobId 250: Error:
>
> and when I run dmesg I see this:
>
> st 10:2:0:0: st0: Failed to read 201 byte block with 80 byte transfer.
>
> From reading the bareos manual I suspect there is an issue getting the
> correct block size for
> reading the bareos label. I notice after labeling blank tapes using the
> bconsole label barcode
> command the volumes in one of my pools have volume bytes listed as 201 and
> another as 199 When
> these volumes are loaded I will see an error like that above but the with
> byte block size
> matching that of the pool (so when I have a volume originally containing 199
> bytes the message
> will be:
>
> st 10:2:0:0: st0: Failed to read 199 byte block with 80 byte transfer.
>
> After this error the backup proceeds normally and I will get a job completed
> with warnings
> notification. I can restore files without issue. The error is mostly
> annoying because all of my
> jobs that require tapes to be changed show up as completing with a warning.
> I did change the
> maximum block size of my device in the storage director configuration file as
> follows:
>
> Device { Name = "ULTRIUM-HH6" DeviceType = tape
>
> # default:0, only required if the autoloader have multiple drives. DriveIndex
> = 0
>
> # if only one drive is available, this is normally /dev/nst0. # However, it
> is advised to access
> it via id (/dev/tape/by-id/...). #ArchiveDevice = /dev/nst0 ArchiveDevice =
> /dev/tape/by-id/scsi-3500308c38ea67000-nst
>
>
> # arbitrary string that descripes the the storage media. # Bareos uses this
> to determine, which
> device can be handle what media. MediaType = LTO6
>
> #LabelMedia set to no seems to be what bareos expects for tape drives
> LabelMedia = no
>
> # enable "Check Labels" if tapes with ANSI/IBM labels # should be preserved
> Check Labels = yes
>
> AutomaticMount = yes # default: no AlwaysOpen = yes
> RemovableMedia = yes
> RandomAccess = no AutoChanger = yes # default: no
> MaximumFileSize = 20GB
> # default: 1000000000 (1GB)
>
> MaximumBlockSize = 1048576 }
>
> Autochanger { Name = "QUANTUM_Scalar_i40" # adapt this, to match your storage
> loader #Changer
> Device = /dev/tape/by-id/scsi-1TANDBERGStorageLoader_AA45JC001732 Changer
> Device =
> /dev/tape/by-id/scsi-1QUANTUM_D0H0113301_LLA
>
> # an Autochanger can contain multiple drive devices Device = ULTRIUM-HH6
> #Device = tapedrive-1
>
> Changer Command = "/usr/lib/bareos/scripts/mtx-changer %c %o %S %a %d" }
>
> The pool definitions in my director configuration file (note the full pool is
> associated with an
> initial volume size of 201 bytes and the incremental pool of 199 bytes):
>
> # # Full Tape Pool definition # Pool { Name = Full_Tape Pool Type = Backup
> Recycle = yes
> Recycle Pool = Scratch AutoPrune = yes # Prune expired
> volumes Storage =
> "ULTRIUM-HH6" Volume Retention = 365 days # Maximum Volumes = 100
> # Limit
> number of Volumes in Pool }
>
>
> # # Incremental Pool definition # Pool { Name = Incremental_Tape Pool Type =
> Backup Recycle = yes
> Recycle Pool = Scratch AutoPrune = yes # Prune expired
> volumes Storage =
> "ULTRIUM-HH6" Volume Retention = 30 days Maximum Volumes = 100
> # Limit number of
> Volumes in Pool }
>
> Any help you could give me would be very much appreciated. I am new to
> bareos but I am very
> impressed with its capability. Thank you, Michael
>
--
Mit freundlichen Grüßen
Philipp Storz [email protected]
Bareos GmbH & Co. KG Phone: +49 221 63 06 93-92
http://www.bareos.com Fax: +49 221 63 06 93-10
Sitz der Gesellschaft: Köln | Amtsgericht Köln: HRA 29646
Geschäftsführer: Stephan Dühr, M. Außendorf,
J. Steffens, P. Storz, M. v. Wieringen
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