APC Snap Server 2200 Specifications Page 82
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Managing and Repairing RAIDs
64 Snap Server Administrator Guide
Determining RAID Set Status
To assess the status of a RAID, navigate to the
Storage > RAID Sets
screen.
Conditions that may require your attention are highlighted in yellow.
The RAID table displays the name, type, total capacity (size), and the remaining
capacity not allocated to a volume for each RAID. RAID status is indicated as
follows:
•OK —
The RAID is functioning properly.
• Degraded —
A drive has failed or been removed.
•Resync —
A RAID repair operation is in progress.
•Failure —
The RAID Set is off-line.
Tip
You can set the E-mail Notification feature to alert you when a RAID degrades.
See “Configuring E-mail Notification” on page 122.
Replacing Disk Drives on a RAID
This section describes how to safely remove and add drives to a degraded RAID.
On Snap Servers, a drive must be removed logically from the RAID using the
Administration Tool before it is removed physically from the server. Likewise, after
a fresh drive is inserted into the drive bay, you must use the Administration Tool to
add it to a RAID.
How RAIDs React to Disk Drive Removal
• RAID 0 (nonredundant) —
Removing a disk drive from a RAID 0 causes the RAID
to fail. This action renders any data residing on its drives inaccessible, and is not
recommended. If a RAID 0 disk drive is inadvertently removed, reinserting it
should restore file access.
• RAID 1 or 5 (redundant) —
Removing a disk drive from a RAID 1 or RAID 5
places the RAID into degraded mode. While operating in a degraded mode, users
can access or even update data. However, the array loses its redundant
characteristics until all drives of the array are available and operating properly.
- Snap Server 1
- Administrator Guide 1
- ETRUST ANTIVIRUS 6
- Contents 7
- Chapter 6 Data Protection 93 10
- Audience 13
- Tips and Cautions 13
- Document Organization 14
- Typographical Conventions 15
- Related Documents 16
- Contacts 17
- Getting Started 19
- Networking 20
- Security 20
- Feature Description Page 21
- Applications 22
- • Discovering Snap Servers — 23
- • Getting Information — 23
- • Setting IP Addresses — 23
- The Administration Tool 24
- Chapter 1 Getting Started 7 25
- Chapter 2 27
- Connecting to the Network 30
- Initial Configuration Tasks 48
- •Server number — 49
- • Serial number — 49
- Registering your Server 53
- Networking Options 55
- Protocol Default Comments 56
- Configuring TCP/IP 57
- • Half-duplex Ethernet — 58
- • Full-duplex Ethernet — 58
- Configuring TCP/IP Settings 59
- to update 60
- Option Settings 60
- Configuring Windows Access 61
- Configuring NFS Access 63
- Configuring a DHCP Server 66
- Connecting from a Client 67
- Web Browser (HTTP) 69
- Storage Configuration and 71
- Management 71
- Storage Configuration Options 73
- Create Snapshot Share 75
- Before You Begin 76
- Using the RAID Storage Wizard 77
- Creating a RAID 78
- Creating a Volume 79
- Creating a Share 80
- Managing and Repairing RAIDs 81
- Determining RAID Set Status 82
- Adding Disk Drives to a RAID 83
- Managing Volume Usage 85
- Disabling Quotas 87
- Tracking Volume Usage 87
- Hot Swapping Disk Drives 88
- Security Management 91
- Default Security Settings 92
- Physically Secure the Server 93
- Configure Users and Groups 94
- Macintosh and FTP Access 95
- • Changing UIDs or GIDs — 96
- Directory 98
- Joining an NIS Domain 101
- Web View Authentication 102
- Secure HTTPS 102
- Caution 106
- How Permissions are Applied 110
- Supported Permissions 110
- Data Protection 111
- Data Backup Options 112
- Backup Express for GuardianOS 113
- PowerQuest DataKeeper 114
- Backup Solutions 115
- Using Snapshots 116
- Recurring Snapshots 117
- Managing the Snapshot Pool 117
- Accessing Snapshots 118
- Snapshot Rollback 121
- Using Backup Express for 122
- GuardianOS 122
- Components 123
- Backup Modes 123
- Restore Modes 124
- Planning Backup Procedures 124
- Backup Schemes 125
- Backing Up Data 126
- Restoring Data 127
- Defaults 128
- Managing the Catalog 130
- The Disaster Recovery Files 132
- Disaster Recovery Procedures 134
- Restoring the Data from Tape 136
- Chassis Failure 137
- Chapter 7 139
- Using Status Screens 142
- Using the Event Log 143
- Local Scanner and Log Views 146
- Using the Local Scanner 147
- The Local Scanner Window 148
- Setting the Scan Options 149
- Setting Selection Options 150
- Setting Display Options 150
- Viewing Directory Paths 151
- About Signature Updates 151
- Setting Schedule Options 152
- Setting Incoming Options 153
- Understanding Alert Options 156
- The Report Tab 156
- Setting Alert Filter Options 157
- Other Local Scanner Options 158
- Using the Move Directory 159
- Using the Log Viewer Window 159
- The Log Viewer List 160
- Troubleshooting 161
- Using Maintenance Modes 162
- Snap Server Specifications 165
- Feature Specification 166
- Taiwan Statement 170
- Appendix B 171
- General Guidelines 173
- • Recover — 178
- • Nsrretrieve — 178
- Upgrading Backup Express for 181
- Jukebox Support 181
- Upgrade Notes 182
- Glossary 183
- Term Definition 184
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