HP StorageWorks Modular Smart Array 1000 Installation and Reference Guide for - Page 15

Removing HP MPIO MSA DSM software, Using silent installation

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Removing HP MPIO MSA DSM software To remove the HP MPIO MSA DSM software you must re-configure the SAN and reboot your server. CAUTION: Removing multipathing software from a multipath hardware configuration can 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: Do not start this procedure unless you can complete all of the following steps without interruption. 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-storage 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 > Settings > Control Panel > Add or Remove Programs. 4. Select HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk 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 Server 2008 - Server Core, go to the installation location from the command prompt and run Launch.exe. Select Remove > Remove all installed components, 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 intervention. 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 15

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Removing HP MPIO MSA DSM software
To remove the HP MPIO MSA DSM software you must re-con
fi
gure the SAN and reboot your server.
CAUTION:
Removing multipathing software from a multipath hardware con
fi
guration can 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:
Do not start this procedure unless you can complete all of the following steps without interruption.
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-storage 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
>
Settings
>
Control Panel
>
Add or Remove Programs
.
4.
Select
HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk 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 Server 2008 – Server Core, go to the installation location from the command prompt and
run
Launch.exe
. Select Remove > Remove all installed components, 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 intervention. 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
15