Netapp windows host utilities

To satisfy the requirements of both the installers, perform the following steps:. See CPC for more information. Install hotfixes in numerical order starting from the lowest number. Hotfix installation order: Another issue that occurs from time to time is hotfix updates to the same driver. To satisfy the requirements of both the installers, perform the following steps: Enable the MPIO feature. We recommend downloading and installation of the latest Utility Kit.

You must install MPIO software and have multipathing set up if your Windows host has more than one path to the storage system. Without MPIO software, the operating system might see each path as a separate disk, which can lead to data corruption. The MPIO software presents a single disk to the operating system for all paths, and a device-specific module DSM manages path failover. The paths with the lower priorities are active but are non-optimized because they are served from a different controller.

Available PDFs. Reboot the host to verify the boot is successful. Installing Windows hotfixes We suggest the use of latest cumulative update to be installed on the server. Go to the Microsoft Update Catalog website to obtain and install the required Windows hotfixes for your version of Windows. The Host Utilities require certain registry and parameter settings to ensure the Windows host correctly handles the storage system behavior. Windows Host Utilities sets the parameters that affect how the Windows host responds to a delay or loss of data.

The particular values have been selected to ensure that the Windows host correctly handles events such as the failover of one controller in the storage system to its partner controller. Fibre Channel and iSCSI host bus adapters HBAs also have parameters that must be set to ensure the best performance and to successfully handle storage system events.

The Windows Unified Host Utilities installer automatically sets registry values that are based on the choices that you make during installation. You should be aware of these registry values, the operating system version. The following values are set by the Windows Unified Host Utilities installer.

All values are decimal unless otherwise noted. Refer to the Microsoft documents for the registry parameter details. Refer to Emulex or QLogic site to know more about the timeout parameters.

This section describes general troubleshooting techniques for Windows Host Utilities. Be sure to check the latest Release Notes for known problems and solutions. To identify potential interoperability problems, you must confirm that the Host Utilities support your combination of host operating system software, host hardware, ONTAP software, and storage system hardware.

If applications using the LUNs display errors on startup, you must verify that the applications are configured to depend on the iSCSI service. The Release Notes include a list of known problems and limitations.

You must search Bugs Online for recently discovered problems. Record the symptoms of the problem and any changes made to the host or storage system just before the problem appeared.

NodeTimeOut — defines the length of time in seconds before the host port recognizes that a connection to the target device is down. When troubleshooting HBA issues, check to make sure these settings have the correct values.

The correct values depend on two factors:. These settings must exist for each port on the HBA. Available PDFs.