4 Managing the network
A physical storage system has two TCP/IP network interfaces (NICs). For each physical storage system
you can:
•
Configure the individual TCP/IP interfaces.
•
Set up and manage a DNS server.
•
Manage the routing table.
•
View and configure the TCP interface speed and duplex, frame size, and NIC flow control.
•
Update the list of managers running in the management group to which a storage system belongs.
•
Bond NICs to ensure continuous network access or to improve bandwidth.
The VSA has only one network interface and does not support changing the following items:
•
NIC bonding
•
NIC flow control
•
Frame size
•
TCP interface speed or duplex
Network best practices
•
Isolate the SAN, including CMC traffic, on a separate network. If the SAN must run on a public
network, use a VPN to secure data and CMC traffic.
•
Configure all the network characteristics on a storage system before creating a management
group, or before adding the storage system to a management group and cluster.
•
Use static IP addresses, or reserved addresses if using DHCP.
•
Configure storage system settings for speed and duplex, frame size, and flow control BEFORE
bonding NICs and before putting the storage system into a management group and cluster.
•
If adding a second IP address to a storage system, the second IP address must be on a separate
subnet. If the two IP addresses are on the same subnet, they must be bonded.
Changing network configurations
Changing the network configuration of a storage system may affect connectivity with the network and
application servers. Consequently, we recommend that you configure network characteristics on
individual storage systems before creating a management group or adding them to existing clusters.
If you do need to change the network characteristics of a storage system while it is in a cluster, be
sure to follow HP's recommendations. See “
Best practices when changing network
characteristics
” on page 79.
Best practices when changing network characteristics
•
Plan to make network changes during off-peak hours to minimize the impact of those changes.
•
Make changes on one storage system at a time.
P4000 SAN Solution user guide
79
Summary of Contents for StorageWorks P4000 Series
Page 24: ...24 ...
Page 38: ...Getting started 38 ...
Page 52: ...Working with storage systems 52 ...
Page 78: ...Storage Configuration Disk RAID and Disk Management 78 ...
Page 110: ...Managing the network 110 ...
Page 120: ...Administrative users and groups 120 ...
Page 232: ...Using snapshots 232 ...
Page 256: ...Working with scripting 256 ...
Page 268: ...Controlling server access to volumes 268 ...
Page 298: ...Registering advanced features 298 ...
Page 322: ...Replacing disks reference 322 ...
Page 324: ...Third party licenses 324 ...