Linux-related SCSI commands

Linux Related SCSI Command

As a result of storage capacity in the previous period, more storage operations, the following records the commonly used operations;

LSSCSI command: Display SCSI Device Information

#lsscsi

[0:0:0:2] Disk IBM 1726-4xx FAStT 0617/dev/sdb

[0:0:0:3] Disk IBM 1726-4xx FAStT 0617/DEV/SDC

[0:0:0:4] Disk IBM 1726-4xx FAStT 0617/DEV/SDD

[0:0:0:5] Disk IBM 1726-4xx FAStT 0617/dev/sde

Explanation: [H (HBA): C (Hba_channel): T (target): L (LUN ID)]

scsi_id command: Querying SCSI Device ID number;

#scsi_id –G–U–S/DEV/SDA

3600a0b80000b174b000000d63efc5c8c

Or

#/lib/udev/scsi_id--page=0x83--whitelisted--DEVICE=/DEV/SDA

3600a0b80000b174b000000d63efc5c8c

HBA wwwn:cat/sys/class/fc_host/host*/node_name

DISK wwwn:ls-l/dev/disk/by_id|grep-v part

Manually Delete path :

First Offlne

echo Offline >/sys/block/device-name/device/state

Then remove

Echo 1 >/sys/block/device-name/device/delete

Manually add path :

echo "c t L" >/sys/class/scsi_host/hostn/scan

echo "scsi Add-single-device 0 0 0 0" >/PROC/SCSI/SCSI

Linux-related SCSI commands