Vmmaxrestoreparallelvms

The vmmaxrestoreparallelvms option controls the number of virtual machines an IBM Spectrum® Protect client can restore at the same time.

Use this option to increase restore performance by increasing the number of virtual machines to restore in parallel.

You can specify the number of virtual machines to be restored simultaneously, up to a maximum of 10. The default value is 2.

Supported clients

Linux operating systems This option can be used with supported x86_64 Linux® clients.

Windows operating systems This option can be used with supported Windows clients. This option is not valid for Data Protection for Microsoft Hyper-V restores.

This feature is available only if the client operates as a data mover for IBM Spectrum Protect for Virtual Environments: Data Protection for VMware.

Options file

Linux operating systems This option is valid in the client system options file (dsm.sys), or on the command line for Restore VM. It can also be included on the server in a client options set. It cannot be set in the Preferences Editor.

Windows operating systems This option is valid in the client options file (dsm.opt) or on the command line for Restore VM. It can also be included on the server in a client options set. It cannot be set in the Preferences Editor.

Syntax

Parameters

integer: Specifies the maximum number of virtual machines that can be restored simultaneously. The default is 2. The maximum is 10.

Note: If you are using the Vmmaxrestoresessions option to limit the number of restore sessions, the number of sessions has to be greater than or equal to the number of virtual machines. This ensures at least one session is available per VM.

Note: If you are using the option Vmmaxparalleldisks to restore multiple virtual disks at same time, the number of virtual disks must be less than or equal to the number of sessions.

Examples

Task

Set a maximum of 5 simultaneous virtual machine restores for machines vm1, vm2, vm3, vm4, and vm5:

dsmc restore vm1,vm2,vm3,vm4,vm5 -VMMAXRESTOREPARALLELVms=5
VMMAXRESTORESessions=10 -VMMAXRESTOREPARALLELDisks=2

This will assign 5 simultaneous virtual machines restores that can restore up to 2 virtual disks in parallel per virtual machine at a time and assign 2 sessions per virtual machine.

Task

Set a maximum of 2 simultaneous virtual machine restores for machines vm1 and vm2:

dsmc restore vm1,vm2 -VMMAXRESTOREPARALLELVms=2
VMMAXRESTORESessions=10 -VMMAXRESTOREPARALLELDisks=1

This will assign 2 simultaneous virtual machines restores with at least one disk per virtual machine at a time and 5 sessions per virtual machine.

Task

Set a maximum of 2 simultaneous virtual machine restores for machines vm1, vm2, vm3, and vm4:

dsmc restore vm1,vm2,vm3,vm4 -VMMAXRESTOREPARALLELVms=2
VMMAXRESTORESessions=16 -VMMAXRESTOREPARALLELDisks=2

This will assign 2 simultaneous virtual machines restores with 2 disks per virtual machines at a time and 8 sessions per virtual machine.