Re: dmraid and log messages

Hi  Cosimo,

might be an old dmraid version not setting up RAID0 properly (presumably
this is a RAID0 set) *or* filesystem inconsistencies leading to those
accesses. Either update dmraid or check filesystem if one of these reasons
is given.

Heinz

On Wed, Jan 09, 2008 at 06:35:02PM +0100, Cosimo Guglielmucci wrote:
> Hi,
> finally I've setup my dmraid system on A8r32-MVP and SiliconImage 
> controller because of unsupported ULI tech.
> All gone well, but looking at /var/log/messages there are these line for 
> each sturtup:
>
>    Dec 22 22:05:11 NeXT Buffer I/O error on device sda4, logical block
>    160633728
>    Dec 22 22:05:11 NeXT attempt to access beyond end of device
>    Dec 22 22:05:11 NeXT sda: rw=0, want=290438930, limit=145226112
>    Dec 22 22:05:11 NeXT Buffer I/O error on device sda4, logical block
>    160633729
>    Dec 22 22:05:11 NeXT attempt to access beyond end of device
>    Dec 22 22:05:11 NeXT sda: rw=0, want=290438931, limit=145226112
>    Dec 22 22:05:11 NeXT attempt to access beyond end of device
>    Dec 22 22:05:11 NeXT sda: rw=0, want=290438932, limit=145226112
>    Dec 22 22:05:11 NeXT attempt to access beyond end of device
>
> These are the line releted to the disks in raid:
>
>    Dec 22 22:05:11 NeXT ata1: SATA link up 1.5 Gbps (SStatus 113
>    SControl 300)
>    Dec 22 22:05:11 NeXT ata1.00: ATA-6: WDC WD740GD-00FLA0, 21.08U21,
>    max UDMA/133
>    Dec 22 22:05:11 NeXT ata1.00: 145226112 sectors, multi 16: LBA48
>    Dec 22 22:05:11 NeXT ata1.00: applying bridge limits
>    Dec 22 22:05:11 NeXT ata1.00: configured for UDMA/100
>    Dec 22 22:05:11 NeXT ata2: SATA link up 1.5 Gbps (SStatus 113
>    SControl 300)
>    Dec 22 22:05:11 NeXT ata2.00: ATA-6: WDC WD740GD-00FLA1, 27.08D27,
>    max UDMA/133
>    Dec 22 22:05:11 NeXT ata2.00: 145226112 sectors, multi 16: LBA48
>    Dec 22 22:05:11 NeXT ata2.00: configured for UDMA/100
>    Dec 22 22:05:11 NeXT scsi 0:0:0:0: Direct-Access     ATA      WDC
>    WD740GD-00FL 21.0 PQ: 0 ANSI: 5
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] 145226112 512-byte hardware
>    sectors (74356 MB)
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] Write Protect is off
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] Write cache: enabled, read
>    cache: enabled, doesn't support DPO or FUA
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] 145226112 512-byte hardware
>    sectors (74356 MB)
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] Write Protect is off
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] Write cache: enabled, read
>    cache: enabled, doesn't support DPO or FUA
>    Dec 22 22:05:11 NeXT sda: sda1 sda2 sda3 sda4
>    Dec 22 22:05:11 NeXT sda: p4 exceeds device capacity
>    Dec 22 22:05:11 NeXT sd 0:0:0:0: [sda] Attached SCSI disk
>    Dec 22 22:05:11 NeXT scsi 1:0:0:0: Direct-Access     ATA      WDC
>    WD740GD-00FL 27.0 PQ: 0 ANSI: 5
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] 145226112 512-byte hardware
>    sectors (74356 MB)
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] Write Protect is off
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] Write cache: enabled, read
>    cache: enabled, doesn't support DPO or FUA
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] 145226112 512-byte hardware
>    sectors (74356 MB)
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] Write Protect is off
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] Write cache: enabled, read
>    cache: enabled, doesn't support DPO or FUA
>    Dec 22 22:05:11 NeXT sdb: unknown partition table
>    Dec 22 22:05:11 NeXT sd 1:0:0:0: [sdb] Attached SCSI disk
>
> Pleace note that sda has its-own partitions instead sdb has unknown 
> partition table.
>
> Do you know where is the fault?
>
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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Storage Development                               56242 Marienrachdorf
                                                  Germany
[email protected]                            PHONE +49  171 7803392
                                                  FAX   +49 2626 924446
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