Hp ProLiant SB460c SAN Gateway Storage Server User Manual Page 109
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Shutting down a cluster node causes all cluster resources served by that node to fail over to the other
node(s). This causes any currently executing client read and write operations to fail until the cluster
failover process completes. The other node(s) are placed under a heavier load by the extra work until
the second node is powered up and rejoins the cluster.
Powering down the cluster
The power down process for the storage server cluster is similar to the process for a single node, but
with the cluster, extra care must be taken with the storage subsystem and the sequence of the shutdown.
The power down process is divided into two main steps:
1. Shutting down the cluster nodes
2. Removing power from the cluster nodes
The sequence of these steps is critical. The devices must be shut down before the storage subsystem.
Improperly shutting down the nodes and the storage subsystem causes corruption and loss of data.
CAUTION:
Before powering down the cluster nodes, follow the proper shutdown procedure as previously illustrated.
See “Shutting down one cluster node.” Only one cluster node should be shut down at a time.
Powering up the cluster
The power up process for the storage server cluster is more complex than it is for a single node because
extra care must be taken with the storage subsystem.
The sequence of the power up steps is critical. Improper power up procedures can cause corruption
and loss of data.
CAUTION:
Do not power up the cluster nodes without first powering up the storage subsystem, and verifying it is
operating normally.
Nodes should be powered up separately allowing one node to form the cluster prior to powering up
the additional node(s). To power up the cluster nodes:
1. After the storage subsystem is confirmed to be operating normally, power up a single node. Wait
for the node to come completely up before powering up the subsequent node(s).
If more than one node is powered up at the same time, the first node that completes the sequence
gains ownership of the cluster quorum and controls the cluster database. Designate a particular
node as the usual cluster quorum owner by always powering up that node first and letting it
completely restart before powering up additional cluster node(s).
2. Power up the additional cluster node(s). Each node should be allowed to start fully, prior to
starting a subsequent node.
HP ProLiant SB460c SAN Gateway Storage Server 109
- Part number: AN583-96001 1
- First edition: September 2008 1
- Contents 3
- About this guide 11
- Rack stability 12
- HP technical support 13
- Customer self repair 13
- Product warranties 13
- Subscription service 13
- HP websites 13
- Documentation feedback 14
- 1 Storage management overview 15
- Physical storage elements 16
- Logical storage elements 18
- Partitions 19
- File system elements 20
- File sharing elements 20
- Network adapter teaming 21
- Management tools 21
- Management Agents 22
- 2 File server management 23
- File services management 24
- Storage management utilities 25
- Array Configuration Utility 26
- Scheduling defragmentation 27
- Disk quotas 28
- Adding storage 29
- File server management30 30
- Volume shadow copies 31
- Allocating disk space 32
- Identifying the storage area 33
- Mounted drives 34
- Managing shadow copies 34
- The shadow copy cache file 35
- File server management36 36
- Set schedules 37
- Disabling shadow copies 38
- SMB shadow copies 40
- NFS shadow copies 41
- Recovery of files or folders 42
- Recovering a folder 43
- Shadow Copy Transport 44
- Folder and share management 45
- File server management46 46
- File server management48 48
- File server management50 50
- Share management 51
- Defining Access Control Lists 52
- File Server Resource Manager 53
- File screening management 54
- Storage reports 54
- Antivirus 55
- Security 55
- More information 55
- File server management56 56
- 3 Print services 57
- Print services management 58
- Print queue creation 59
- Driver updates 60
- Best practices 61
- Troubleshooting 62
- MSNFS Features 63
- MSNFS use scenarios 64
- Administering MSNFS 65
- Server for NFS 65
- User Name Mapping 70
- Print services for UNIX 72
- Adding local NetWare users 78
- Managing NCP volumes (shares) 79
- Print Services for NetWare 80
- Additional resources 81
- Print services for Macintosh 82
- 6 Enterprise storage servers 83
- Virtual disk storage 84
- Snapshots 84
- Create iSCSI Target Wizard 85
- Create Virtual Disk Wizard 86
- Import Virtual Disk Wizard 87
- Extend Virtual Disk Wizard 87
- Schedule Snapshot Wizard 87
- Hardware provider 88
- Cluster support 88
- 7 Cluster administration 89
- Cluster terms and components 90
- Cluster groups 91
- Virtual servers 91
- Failover and failback 91
- Quorum disk 91
- Cluster concepts 92
- Cluster planning 93
- Storage planning 94
- Network planning 94
- Protocol planning 95
- Before beginning installation 96
- Network requirements 97
- Cluster installation 98
- Setting up networks 99
- Verifying domain membership 100
- Setting up a cluster account 100
- About the Quorum disk 100
- Configuring shared disks 100
- Using Cluster Administrator 101
- Creating a cluster 101
- Adding nodes to a cluster 101
- Cluster group overview 102
- Load balancing 103
- Resource planning 103
- NFS cluster-specific issues 104
- Shadow copies in a cluster 105
- Extend a LUN in a cluster 106
- Print services in a cluster 107
- Failing over and failing back 108
- Restarting one cluster node 108
- Powering down the cluster 109
- Powering up the cluster 109
- Cluster administration110 110
- Maintenance and service 112
- Certificate of Authenticity 113
- 9 System recovery 115
- System recovery116 116
- Class A equipment 117
- Class B equipment 117
- Laser compliance 118
- European Union notice 119
- BSMI notice 120
- Japanese notice 120
- Korean notice A&B 120
- Battery replacement notice 121
- Power cords 121
- Japanese power cord notice 122
- Electrostatic discharge 122
- Czechoslovakian notice 122
- Danish notice 123
- Dutch notice 123
- English notice 123
- Estonian notice 124
- Finnish notice 124
- French notice 124
- German notice 124
- Greek notice 125
- Hungarian notice 125
- Italian notice 125
- Latvian notice 125
- Lithuanian notice 126
- Polish notice 126
- Portuguese notice 126
- Slovakian notice 127
- Slovenian notice 127
- Spanish notice 127
- Swedish notice 127
- Index130 130
- Index132 132
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