Adding or removing scsi devices

[thockman]

The below command will rescan fibre attached storage - LIP (loop initialization primitive)

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echo "1" > /sys/class/fc_host/host#/issue_lip

RH 4 or 5
The below command will can other scsi attached storage

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echo "- - -" > /sys/class/scsi_host/host#/scan

RH 4 or 5
To remove a single existing device explicitly

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echo 1 > /sys/block/<dev>/device/delete

RH 3,4 or 5
To add a single device explicitly:

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echo "scsi add-single-device <H> <B> <T> <L>" > /proc/scsi/scsi

To remove a device explicitly:

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echo "scsi remove-single-device <H> <B> <T> <L>" > /proc/scsi/scsi