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7 dlmstart utility for starting hdlm, 1 format – HP Hitachi Dynamic Link Manager Software User Manual

Page 534

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7. Utility Reference

510

7.7 dlmstart Utility for Starting HDLM

You must perform the following operations after installing HDLM:

Load an HDLM alert driver and a filter driver.
Configure an HDLM device.
Start the HDLM manager.

The

dlmstart

utility performs the above operations as a batch operation.

If an HDLM alert driver and a filter driver have already been loaded or the HDLM
manager is already running, the relevant operation is not performed.

7.7.1 Format

/opt/DynamicLinkManager/bin/dlmstart

Notes:

You cannot execute multiple instances of the

dlmstart

utility at the same time.

You cannot execute the

dlmstart

utility while the

dlmcfgmgr

utility is

executing.

If you execute the

dlmstart

utility while one or more HDLM devices are

mounted, an error message (KAPL05023-E) is output to the syslog. However,

HDLM operations are not affected.

If you execute the

dlmstart

utility, the I/O and I/O error counts for existing

paths displayed when the HDLM command (

dlnkmgr view -path

) is executed

are initialized to 0.

If you execute the

dlmstart

utility, do not change the settings of the

sysfs

interface that handles SCSI devices after an HDLM device is configured.

If you use Red Hat Enterprise Linux, and one or more unpartitioned SCSI devices

exist, an error message (KAPL05023-E) is output to syslog after the

dlmstart

utility is executed. However, HDLM operations are not affected.

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