Dell PowerStore 5200T EMC PowerStore Host Configuration Guide - Page 80

Host storage tuning parameters, Updating fp.conf configuration file

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Host storage tuning parameters Configure host storage tuning parameters as described in the following sections. Updating fp.conf configuration file About this task The fp.conf host file is used to control options for Fibre Channel storage. The MPxIO settings in fp.conf file should match the settings in scsi_vhci.conf. Steps 1. Run the following command to verify the fp.conf file location: # ls /etc/driver/drv/ 2. If the file is not in the expected location , run the following command to copy it from /kernel/drv: # cp /kernel/drv/fp.conf /etc/driver/drv 3. Run the following commands to create a backup copy and modify the file: # cp -p /etc/driver/drv/fp.conf /etc/driver/drv/fp.conf_ORIG # vi /etc/driver/drv/fp.conf Example Below are the entries that are recommended for PowerStore storage. mpxio-disable="no"; fp_offline_ticker=20; Parameter mpxio-disable fp_offline_ticker Description Value Specifies whether MPxIO is disabled. no MPxIO can be enabled for Fibre Channel storage, or it can be disabled for a particular HBA. Used to prevent errors from being 20 generated immediately for transient/ brief connection interruptions. If the connections are restored before the fcp and fp delays expire, should prevent any errors. Run the following commands to verify these fp.conf parameter settings: root@support-sparc1:~# echo "mpxio-disable/U"|mdb -k mpxio-disable: mpxio-disable: no root@support-sparc1:~# echo "fp_offline_ticker/U"|mdb -k fp_offline_ticker: fp_offline_ticker: 20 80 Host Configuration for Solaris

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Host storage tuning parameters
Configure host storage tuning parameters as described in the following sections.
Updating fp.conf configuration file
About this task
The fp.conf host file is used to control options for Fibre Channel storage. The MPxIO settings in fp.conf file should match the
settings in scsi_vhci.conf.
Steps
1.
Run the following command to verify the fp.conf file location:
# ls /etc/driver/drv/
2.
If the file is not in the expected location , run the following command to copy it from
/kernel/drv
:
# cp /kernel/drv/fp.conf /etc/driver/drv
3.
Run the following commands to create a backup copy and modify the file:
# cp -p /etc/driver/drv/fp.conf /etc/driver/drv/fp.conf_ORIG
# vi /etc/driver/drv/fp.conf
Example
Below are the entries that are recommended for PowerStore storage.
mpxio-disable="no";
fp_offline_ticker=20;
Parameter
Description
Value
mpxio-disable
Specifies whether MPxIO is disabled.
MPxIO can be enabled for Fibre Channel
storage, or it can be disabled for a
particular HBA.
no
fp_offline_ticker
Used to prevent errors from being
generated immediately for transient/
brief connection interruptions. If the
connections are restored before the fcp
and fp delays expire, should prevent any
errors.
20
Run the following commands to verify these fp.conf parameter settings:
root@support-sparc1:~# echo "mpxio-disable/U"|mdb -k
mpxio-disable:
mpxio-disable:
no
root@support-sparc1:~# echo "fp_offline_ticker/U"|mdb -k
fp_offline_ticker:
fp_offline_ticker:
20
80
Host Configuration for Solaris