HP StorageWorks Enterprise Virtual Array Cluster FIO Starter Kit Guía de usuario descargar pdf (Pagina 166)

2. Select the Disk configuration option and scroll down to the Disk,DiskMaxIOSize option, and

change the value in the field to 1024.

3. Apply the changes and reboot the ESX server.

Using Windows Guests on VMware with VSS

The DPM VSS hardware provider installed on a Windows Virtual machine does pass the request to

create a VSS snapshot properly to the VSM, and the VSM does respond properly to this request by

creating the PIT and the snapshot and assigning it back. However, the snapshot is assigned to the

ESX server and not directly to the virtual machine (the VSM is not aware of the virtual machine HBA

and therefore cannot assign it to the virtual machine HBA). The DPM VSS hardware provider on the

virtual machine waits about 8 minutes for the snapshots, times out, and finally fails.

The manual workaround is to perform the following steps on the ESX server side (using vCenter):

1. Discover the snapshot as a “Disk.” (Configuration tab, Storage Adapter link, and then click

Rescan.)

2. From the Virtual Machine side, add the discovered snapshot disk to the virtual machine. (Virtual

Machine Edit settings, Add Hard disk )

3. Initiate a rescan on the Windows virtual machine to discover the new added disk/snapshot.

Deploying VMware ESX Server with SVSP166

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HP StorageWorks Enterprise Virtual Array Cluster FIO Starter Kit Guía de usuario Pagina 166