IBM DS6000 Manuale Utente Scaricare il pdf (Pagina 344)

320 DS6000 Series: Concepts and Architecture

More information on running Linux in an iSeries partition can be found in the iSeries

Information Center at:

http://publib.boulder.ibm.com/iseries/v5r2/ic2924/index.htm

For running Linux in an i5 partition check, the i5 Information Center at:

http://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/info/iphbi/iphbi.pdf

Troubleshooting and monitoring

The /proc pseudo file system

The /proc pseudo file system is maintained by the Linux kernel and provides dynamic

information about the system. The directory /proc/scsi contains information about the installed

and attached SCSI devices.

The file /proc/scsi/scsi contains a list of all attached SCSI devices, including disk, tapes,

processors, and so on. Example A-16 shows a sample /proc/scsi/scsi file.

Example: A-16 Sample /proc/scsi/scsi file

knox:~ # cat /proc/scsi/scsi

Attached devices:

Host: scsi0 Channel: 00 Id: 00 Lun: 00

Vendor: IBM-ESXS Model: DTN036C1UCDY10F Rev: S25J

Type: Direct-Access ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 08 Lun: 00

Vendor: IBM Model: 32P0032a S320 1 Rev: 1

Type: Processor ANSI SCSI revision: 02

Host: scsi2 Channel: 00 Id: 00 Lun: 00

Vendor: IBM Model: 1750511 Rev: .545

Type: Direct-Access ANSI SCSI revision: 03

Host: scsi2 Channel: 00 Id: 00 Lun: 01

Vendor: IBM Model: 1750511 Rev: .545

Type: Direct-Access ANSI SCSI revision: 03

Host: scsi2 Channel: 00 Id: 00 Lun: 02

Vendor: IBM Model: 1750511 Rev: .545

Type: Direct-Access ANSI SCSI revision: 03

Host: scsi3 Channel: 00 Id: 00 Lun: 00

Vendor: IBM Model: 1750511 Rev: .545

Type: Direct-Access ANSI SCSI revision: 03

Host: scsi3 Channel: 00 Id: 00 Lun: 01

Vendor: IBM Model: 1750511 Rev: .545

Type: Direct-Access ANSI SCSI revision: 03

Host: scsi3 Channel: 00 Id: 00 Lun: 02

Vendor: IBM Model: 1750511 Rev: .545

Type: Direct-Access ANSI SCSI revision: 03

There also is an entry in /proc for each HBA, with driver and firmware levels, error counters,

and information about the attached devices. Example A-17 shows the condensed content of

the entry for a QLogic Fibre Channel HBA.

Example: A-17 Sample /proc/scsi/qla2300/x

knox:~ # cat /proc/scsi/qla2300/2

QLogic PCI to Fibre Channel Host Adapter for ISP23xx:

Firmware version: 3.01.18, Driver version 6.05.00b9

Entry address = c1e00060

HBA: QLA2312 , Serial# H28468

Request Queue = 0x21f8000, Response Queue = 0x21e0000

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