Installation and Reference Guide for HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk Arrays 3.00.00 (AA-RW8AD-TE, March 2008)

Removing HP MPI

OMSADSMsoftware

To remove the HP

MPIO MSA DSM software you must re-conﬁgure the SAN and reboot your server.

CAUTION:

Removing multip athing software from a multipath hardware c onﬁguration ca n cause data loss or

corruption. Be sure to disconnect the server from multipath storage or eliminate all but one path to that

storage from the server prior to removing the HP MPIO MSA DSM software .

NOTE:

Donotstartthisprocedureunlessyoucancompleteallofthefollowingstepswithoutinterruption.

To remove HP MPIO MSA DSM software, complete the following steps:

1. Back up all user data on multipath storage.

2. If possible, disconnect the storage from the server. If it is necessary to maintain single-path

connections from the server to the storage (as in the case of servers that boot from a SAN device),

use the following guidelines:

• If it is a one-host/one-stora ge array, HP recommends removing redundant cable connections.

• If the storage continues to be accessed by other servers still in multipath mode and by this

server in single-path mode and it is on an MSA systems, use switch zoning to establish

the single connection (path) from the server.

3. Select Start > Setting s > Control Panel > Add or Remove Programs.

4. Select HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) D isk Arrays from the Remove

Program drop-down list.

5. Click Remove and follow the prompts.

The system displays a cautionary statement advising of the potential data loss or corruption that

could result from removing this software.

6. Close the Add/Remove Programs window .

NOTE:

The LUNs may be inaccessible at this time.

7. Reboot the system.

NOTE:

For Windows Ser ver 2008 – Server Core, go to the installation location from the comm and prompt and

run Launch.exe. Select Remove > Remove all installed co mponents, to remove HP MPIO MSA DSM.

Using silent installation

Silent installation can be run from the installation location on your computer or from a network drive. It

installs the HP MPIO MSA DSM with little inter vention. Silent installation is useful if you are installing the

software on a large number of servers that require software installation.

HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk Arrays 3.00.00