Bacula-users

Re: [Bacula-users] Tape utilization

2008-12-31 02:47:55
Subject: Re: [Bacula-users] Tape utilization
From: "John Drescher" <drescherjm AT gmail DOT com>
To: "Walter den Besten" <w.denbesten AT nimbuzz DOT com>
Date: Wed, 31 Dec 2008 02:45:47 -0500
On Wed, Dec 31, 2008 at 2:25 AM, Walter den Besten
<w.denbesten AT nimbuzz DOT com> wrote:
> Following information is found in dmesg and /var/log/messages:
> dmesg info:
> [    8.535574] scsi 0:0:0:0: Direct-Access     ATA      ST3160815AS
>  3.AD PQ: 0 ANSI: 5
> [    8.535574] ACPI: PCI Interrupt 0000:0c:02.0[A] -> GSI 18 (level, low) ->
> IRQ 18
> [   27.080581] scsi6 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
> [   27.080582]         <Adaptec 29160B Ultra160 SCSI adapter>
> [   27.080583]         aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253
> SCBs
> [   27.080584]
>
> [   27.641287] Driver 'sd' needs updating - please use bus_type methods
>
> [   28.407943] hda: HL-DT-ST DVD+/-RW GSA-H53N, ATAPI CD/DVD-ROM drive
> [   28.429883] scsi 6:0:3:0: Sequential-Access HP       Ultrium 2-SCSI
> S53D PQ: 0 ANSI: 3
> [   28.429883]  target6:0:3: Beginning Domain Validation
> [   28.434961]  target6:0:3: wide asynchronous
> [   28.429883]  target6:0:3: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns,
> offset 64)
> [   28.541907]  target6:0:3: Ending Domain Validation
>
> [   32.571124] st: Version 20080224, fixed bufsize 32768, s/g segs 256
> [   32.571212] Driver 'st' needs updating - please use bus_type methods
> [   32.571796] st 6:0:3:0: Attached scsi tape st0
> [   32.571853] st 6:0:3:0: st0: try direct i/o: yes (alignment 4 B)
> [   32.764198] osst :I: Tape driver with OnStream support version 0.99.4
> [   32.764198] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $
> [   32.764198] Driver 'osst' needs updating - please use bus_type methods
> [   32.782021] st0: Block limits 1 - 16777215 bytes.
>
> /var/log/messages:
> Dec 30 12:23:11 backup kernel: [    8.535574] scsi 0:0:0:0: Direct-Access
>   ATA      ST3160815AS      3.AD PQ: 0 ANSI: 5
> Dec 30 12:23:11 backup kernel: [    8.535574] ACPI: PCI Interrupt
> 0000:0c:02.0[A] -> GSI 18 (level, low) -> IRQ 18
> Dec 30 12:23:11 backup kernel: [   27.080581] scsi6 : Adaptec AIC7XXX
> EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
> Dec 30 12:23:11 backup kernel: [   27.080582]         <Adaptec 29160B
> Ultra160 SCSI adapter>
> Dec 30 12:23:11 backup kernel: [   27.080583]         aic7892: Ultra160 Wide
> Channel A, SCSI Id=7, 32/253 SCBs
> Dec 30 12:23:11 backup kernel: [   27.080584]
>
> Dec 30 12:23:11 backup kernel: [   27.641287] Driver 'sd' needs updating -
> please use bus_type methods
> Dec 30 12:23:11 backup kernel: [   28.429883] scsi 6:0:3:0:
> Sequential-Access HP       Ultrium 2-SCSI   S53D PQ: 0 ANSI: 3
> Dec 30 12:23:11 backup kernel: [   28.429883]  target6:0:3: Beginning Domain
> Validation
> Dec 30 12:23:11 backup kernel: [   28.434961]  target6:0:3: wide
> asynchronous
> Dec 30 12:23:11 backup kernel: [   28.429883]  target6:0:3: FAST-80 WIDE
> SCSI 160.0 MB/s DT (12.5 ns, offset 64)
> Dec 30 12:23:11 backup kernel: [   28.541907]  target6:0:3: Ending Domain
> Validation
> Dec 30 12:23:11 backup kernel: [   32.571124] st: Version 20080224, fixed
> bufsize 32768, s/g segs 256
> Dec 30 12:23:11 backup kernel: [   32.571212] Driver 'st' needs updating -
> please use bus_type methods
> Dec 30 12:23:11 backup kernel: [   32.571796] st 6:0:3:0: Attached scsi tape
> st0
> Dec 30 12:23:11 backup kernel: [   32.571853] st 6:0:3:0: st0: try direct
> i/o: yes (alignment 4 B)
> Dec 30 12:23:11 backup kernel: [   32.748952] ACPI: PCI Interrupt
> 0000:00:1b.0[A] -> GSI 16 (level, low) -> IRQ 16
> Dec 30 12:23:11 backup kernel: [   32.764198] osst :I: Tape driver with
> OnStream support version 0.99.4
> Dec 30 12:23:11 backup kernel: [   32.764198] osst :I: $Id: osst.c,v 1.73
> 2005/01/01 21:13:34 wriede Exp $
> Dec 30 12:23:11 backup kernel: [   32.764198] Driver 'osst' needs updating -
> please use bus_type methods
> Dec 30 12:23:11 backup kernel: [   32.782021] st0: Block limits 1 - 16777215
> bytes.
>
> Any idea how to pin-point the problem?
>

None of that looks bad. Check the scsi cabling and also you can try
the btape tests or even try to fill a tape with tar or dd.

I would look into this furthur but its 2:45 in the morning here.

John

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