vii

Adjusting the disk IO scheduler ............................................................................................. 61
Virtual disk QoS settings ............................................................................................................. 61
Configuring VM memory ........................................................................... 63
What is Dynamic Memory Control (DMC)? ....................................................................................... 63
The concept of dynamic range ............................................................................................. 63
The concept of static range ................................................................................................. 64
DMC Behaviour ................................................................................................................. 64
How does DMC Work? ....................................................................................................... 64
Memory constraints ............................................................................................................ 65
Supported operating systems ............................................................................................... 65
xe CLI commands ..................................................................................................................... 66
Display the static memory properties of a VM ........................................................................... 66
Display the dynamic memory properties of a VM ....................................................................... 66
Updating memory properties ................................................................................................ 67
Update individual memory properties ...................................................................................... 68
Upgrade issues ......................................................................................................................... 68
Workload Balancing interaction ..................................................................................................... 68
Networking .................................................................................................. 69
XenServer networking overview ..................................................................................................... 69
Network objects ................................................................................................................ 70
Networks ......................................................................................................................... 70
VLANs ............................................................................................................................. 70
Using VLANs with host management interfaces ................................................................ 70
Using VLANs with virtual machines ................................................................................ 70
Using VLANs with dedicated storage NICs ...................................................................... 71
Combining management interfaces and guest VLANs on a single host NIC ..... ..... ..... ..... ..... ..... 71
NIC bonds ....................................................................................................................... 71