HP StoreOnce 4430 HP StoreOnce Backup System Concepts and Configuration Guidel - Page 24

HP B6200 Backup system, maximum configuration, on each node.

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not use LACP (Link Aggregation Control Protocol) so there are no specific network switch settings required. • Storage shelf: This refers to the P2000 master controller shelf (one per node) or a P2000 JBOD capacity upgrade. JBODs are purchased in pairs and up to three pairs may be added to each couplet. They use dual 6Gbps SAS connections for resilience. In reality, up to 128 TB of storage is shared between two nodes in a couplet. Depending on customer requirements and single node best practices, it is possible to have, for example, a service set on node 1 that consumes 100 TB and a service set on node 2 that consumes 28 TB of the available 128 TB. (However, this is not best practice and not recommended.) This architecture scales dramatically and the maximum configuration can be seen below. Figure 7 HP B6200 Backup system, maximum configuration Note that data, replication and storage failover is always between nodes in the same couplet but the Management Console (GUI and CLI) can failover to any node in the whole cluster. In all cases the deployment should center around what devices and services need to be configured on each node. In the following example Node 2 has failed and Service Set 2 has failed over to Node 1. Both service sets are running on Node1, but backup and replication performance will be reduced. The Management Console that was active on Node 2 has moved to Node 3, Couplet 2. This is not significant; the Management Console becomes active on the first node to respond. 24 Concepts specific to StoreOnce B6200 Backup system

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not use LACP (Link Aggregation Control Protocol) so there are no specific network switch
settings required.
•
Storage shelf:
This refers to the P2000 master controller shelf (one per node) or a P2000 JBOD
capacity upgrade. JBODs are purchased in pairs and up to three pairs may be added to each
couplet. They use dual 6Gbps SAS connections for resilience.
In reality, up to 128 TB of storage is shared between two nodes in a couplet. Depending on
customer requirements and single node best practices, it is possible to have, for example, a service
set on node 1 that consumes 100 TB and a service set on node 2 that consumes 28 TB of the
available 128 TB. (However, this is not best practice and not recommended.) This architecture
scales dramatically and the maximum configuration can be seen below.
Figure 7 HP B6200 Backup system, maximum configuration
Note that data, replication and storage failover is always between nodes in the same couplet but
the Management Console (GUI and CLI) can failover to any node in the whole cluster.
In all cases the deployment should center around what devices and services need to be configured
on each node.
In the following example Node 2 has failed and Service Set 2 has failed over to Node 1. Both
service sets are running on Node1, but backup and replication performance will be reduced. The
Management Console that was active on Node 2 has moved to Node 3, Couplet 2. This is not
significant; the Management Console becomes active on the first node to respond.
24
Concepts specific to StoreOnce B6200 Backup system