Dell PowerVault NX3500 Manual de usuario Pagina 117
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Disabling Data Reduction on a NAS Volume
By default, after disabling data reduction on a NAS volume, data remains in its reduced state during
subsequent read operations. You have the option to enable rehydrate‐on‐read when disabling data
reduction, which causes a rehydration (reversal of data reduction) of data on subsequent read operations.
1. Click the NAS Volumes tab on the left.
2. Click the All NAS Volumes tab on the top.
3. In the All NAS Volumes pane, click in the row of the volume whose data reduction settings you
want to modify.
4. Click View Details.
The volume’s Space view is displayed.
5. In the Data Reduction pane, click .
6. Click Modify Data Reduction Policy.
The Modify Data Reduction Policy dialog box appears.
7. Click Disable data reduction on this NAS volume.
8. To rehydrate data on subsequent read operations, select the Files, which were processed by data
reduction, will be saved rehydrated during read checkbox.
9. Click OK.
117
- NX3500, NX3600, And NX3610 1
- Administrator's Guide 1
- Notes, Cautions, and Warnings 2
- Contents 3
- Introduction 11
- Internal Cache 14
- Internal Backup Power Supply 14
- Internal Storage 14
- Client/LAN Network 15
- Data Caching And Redundancy 16
- File Metadata Protection 16
- Failure Scenarios 17
- Required Ports 18
- Feature-Specific Ports 18
- Supported Upgrade Paths 21
- Comparison 21
- Performing Pre-Upgrade Tasks 24
- FluidFS Manager Layout 29
- Navigating Views 29
- Showing And Hiding Panes 30
- Opening A Pane Menu 30
- Opening A Table Element Menu 30
- Working With The Event Log 32
- Viewing Event Details 33
- Sorting The Event Log 33
- Searching the Event Log 33
- FluidFS 3.0 System Management 35
- Managing Secured Management 36
- Enabling Secured Management 39
- Disabling Secured Management 40
- Renaming the FluidFS Cluster 40
- Managing Licensing 41
- Managing the System Time 41
- Setting the Time Zone 42
- Viewing the Time 42
- Setting the Time Manually 42
- Viewing the NTP Servers 42
- Add or Remove NTP Servers 43
- Enabling NTP 43
- Disabling NTP 43
- Managing the FTP Server 44
- Managing SNMP 44
- Managing the Operation Mode 47
- Managing Client Connections 48
- Rebooting a NAS Controller 50
- FluidFS 3.0 Networking 53
- Managing Static Routes 55
- Deleting a Static Route 56
- Managing the Internal Network 57
- Managing the Client Networks 57
- Viewing the Client Networks 58
- Creating a Client Network 58
- Deleting a Client Network 60
- Managing SAN Fabrics 61
- Managing SAN Fabrics/Subnets 62
- Adding an iSCSI Fabric 62
- Deleting an iSCSI Fabric 63
- Modifying iSCSI Portals 63
- Viewing Storage Identifiers 64
- Authentication 65
- Administrative Account 66
- Support Account 66
- Using the Escalation Account 67
- CLI Account 68
- Viewing Administrators 69
- Adding an Administrator 69
- Managing Local Users 71
- Changing a Local User’s Group 72
- Deleting a Local User 73
- Managing Local Groups 74
- Managing Active Directory 76
- Managing LDAP 78
- Changing the LDAP Base DN 79
- Managing NIS 81
- Enabling NIS Authentication 82
- Changing the NIS Domain Name 82
- Linux Users 83
- Managing User Mapping Rules 84
- Deleting a User Mapping Rule 85
- Managing the NAS Pool 87
- Managing NAS Volumes 89
- Scenario 1 91
- Scenario 2 91
- Scenario 3 91
- Configuring NAS Volumes 92
- Adding a NAS Volume 93
- Renaming a NAS Volume 93
- Cloning a NAS Volume 96
- NAS Volume Clone Defaults 96
- NAS Volume Clone Restrictions 97
- Managing NAS Volume Clones 97
- Managing CIFS Shares 98
- Adding a CIFS Share 99
- Deleting a CIFS Share 100
- Using CIFS Home Shares 101
- Setting ACLs on a CIFS Share 103
- Setting SLPs on a CIFS Share 103
- Managing NFS Exports 105
- Adding an NFS Export 106
- Deleting an NFS Export 108
- Accessing an NFS Export 109
- Managing Quota Rules 110
- Managing Data Reduction 114
- FluidFS 3.0 Data Protection 119
- Adding an Anti-virus Server 120
- Deleting an Anti-virus Server 121
- Managing Snapshots 123
- Creating On-Demand Snapshots 124
- Managing Scheduled Snapshots 124
- Deleting a Snapshot Schedule 126
- Renaming a Snapshot 126
- Deleting a Snapshot 127
- Viewing Available Snapshots 127
- Managing NDMP 129
- Supported DMAs 130
- Configuring NDMP 130
- Removing a DMA Server 131
- Changing the NDMP Password 131
- Changing the NDMP Username 131
- Viewing NDMP Jobs and Events 132
- Managing Replication 133
- How Replication Works 134
- Target NAS Volumes 136
- Replicating NAS Volumes 138
- Running Replication on Demand 139
- Scheduling Replication 139
- Pausing Replication 140
- Resuming Replication 141
- Promoting a Target NAS Volume 142
- Demoting a Target NAS Volume 142
- Restoring Local Users 144
- Restoring Local Groups 145
- FluidFS 3.0 Monitoring 153
- Viewing Storage Usage 156
- FluidFS 3.0 Maintenance 159
- Detaching a NAS Controller 161
- Attaching a NAS Controller 162
- Replacing a NAS Controller 162
- Managing Service Packs 163
- Managing Firmware Updates 164
- Troubleshooting 167
- Troubleshooting Common Issues 169
- Troubleshooting Backup Issues 170
- Troubleshooting CIFS Issues 171
- CIFS ACL Corruption 172
- CIFS Client Clock Skew 172
- CIFS Client Login Failure 172
- CIFS Connection Failure 173
- CIFS Delete On Close Denial 173
- CIFS File Access Denied 173
- CIFS File Sharing Conflict 173
- CIFS Guest Account Invalid 173
- CIFS Locking Inconsistency 174
- CIFS Share Does Not Exist 174
- CIFS Path Share Not Found 174
- Troubleshooting NFS Issues 175
- NFS Export Does Not Exist 176
- NFS File Access Denied 176
- NFS Mount Path Does Not Exist 178
- NFS Write To Read-Only Export 178
- NFS Write To Read-Only Volume 178
- NFS Write To Snapshot 179
- Cannot Modify NAS Files 179
- Mixed File Ownership Denied 180
- Name Server Unresponsive 181
- Replication Disconnection 183
- Troubleshooting System Issues 185
- Attach Operation Fails 187
- Upgrades 188
- Getting Help 189
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