1 format, 2 parameters – HP Hitachi Dynamic Link Manager Software User Manual
Page 348

7. Utility Reference
326
7.7 dlmodmset Utility for Setting the HDLM Execution Environment
ODM
This utility sets ODM to define HDLM operations.
7.7.1 Format
/usr/DynamicLinkManager/bin/dlmodmset
{{-r {on | off}
| -i {on | off }
| -v {on | off }} [-s]
| -h
| -o }
7.7.2 Parameters
-r { on | off }
Enables or disables the LUN RESET option.
on
: Enable
off
: Disable
The default is
off
.
To use GPFS, specify
on
.
You do not need to reconfigure the hdisk or restart the host when you change this
parameter.
-i { on | off }
Prevents I/O on the Online(E) path.
on
: Prevents I/O on the Online(E) path.
off
: Allows I/O on the Online(E) path
The default is off.
When an error (such as one that might occur in a LVM mirror configuration) is
detected and I/O access for a path in the Online(E) status continues, detection of
errors will continue. When this parameter is set to
on
, I/O access is suppressed
until troubleshooting measures are taken. This can shorten the time needed to deal
with the problem.
You do not need to reconfigure the hdisk or restart the host when you change this
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