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System Reset Options
Appendix C Troubleshooting SnapServers 203
System Reset Options
Often the first thing to try in resolving anomalous behavior on a SnapServer is to
reset the server to factory defaults. This section provides information about the
following ways to reinstall or reset the system defaults.
• Maintenance Mode
• Resetting the SnapServer to Factory Defaults
• Performing System Resets Without Network Access
Maintenance Mode
You will encounter the SnapServer maintenance mode when the GuardianOS has
been compromised and is in need of repair or reinstallation. Maintenance mode
consists of a series of HTML screens that allow you to perform the following
functions:
• Upgrade/Repair — Either upgrades the GuardianOS from one version to
another, or applies the GuardianOSImage
, but preserves system settings.
• Fresh install — Reinstalls the GuardianOS, overwriting any previous
configurations and destroying all disk partitions.
Note To install the GuardianOS, you must obtain the appropriate
GuardianOSImage file. This file is available from Overland support.
Resetting the SnapServer to Factory Defaults
The GuardianOS allows you to reset different components of the system. Default
settings can be found in the default configuration sections of this Guide.
Caution Each reset option requires a reboot of the server. To prevent possible data
corruption or loss, make sure all users are disconnected from the SnapServer before
proceeding.
Navigate to the
Maintenance > Factory Defaults screen, select one of the following
options, and then click
OK:
•
Reset Network Configuration To Factory Defaults Returns TCP/IP and other
protocol settings to factory defaults.
•
Reset System Settings, Network, and Admin Passwords To Factory Defaults
Returns the admin and root passwords to the default value, returns TCP/IP and
other protocol settings to factory defaults, eliminates all shares to all volumes,
and returns settings for server name, date and time, users, groups, quotas, and
the activation and configuration of CA eTrust Antivirus to factory default values.
- Administrator Guide 1
- ETRUST ANTIVIRUS 6
- Contents 7
- Audience and Purpose 13
- Service and Technical Support 13
- Notes and Cautions 13
- Typographical Conventions 14
- Finding More Information 15
- Administrative Overview 17
- GuardianOS Specifications 18
- Feature Specification 19
- What’s New in GuardianOS 22
- What’s New in GuardianOS v5.1 23
- What’s New in GuardianOS v5.0 24
- What’s New in GuardianOS v4.4 25
- What’s New in GuardianOS v4.1 26
- What’s New in GuardianOS v4.0 27
- SnapServer Manager 28
- Launching SnapServer Manager 29
- Multiserver Administration 29
- SSM Feature Licensing 30
- Server Name 32
- Date/Time Settings 32
- Determining Capacity 33
- Configuring an APC-Brand UPS 35
- SnapExtensions 36
- Wake-on-LAN Support 36
- Chapter 2 37
- Gateway Information 38
- TCP/IP Options 39
- Option Setting Description 40
- Column Description 41
- Configuring TCP/IP Settings 43
- Link LED on the 43
- Network > Windows 45
- NFS Access 49
- Support for NFS 50
- AFP Configuration Guidelines 51
- FTP/FTPS Access 52
- HTTP/HTTPS Access 53
- Web View 54
- DHCP Server 55
- Print Server 55
- User & Group Management 59
- UID and GID Assignments 60
- Local Users and Groups 61
- NIS Domain 63
- Storage Configuration and 65
- Expansion 65
- Default Storage Configuration 66
- Local and Global Hot Spares 68
- Background Disk Scan 69
- RAID Management Tools 70
- RAID Groups 70
- Storage > RAID Sets or 71
- Volumes 72
- Expanding Volume Capacity 73
- Configuring Write Cache 74
- Checking Filesystems 74
- Volume Management Tools 75
- Quotas 76
- Data Migration 77
- Expansion Arrays 79
- Snap Expansion S50 80
- Disks and Units 83
- Adding Disk Drives to a RAID 84
- Hot Swapping Disk Drives 86
- Chapter 5 93
- Configuring iSCSI Initiators 94
- Microsoft Windows 100
- Creating iSCSI Disks 107
- Share and File Access 111
- Hidden Shares 112
- Share Level Permissions 113
- Where to Place Shares 113
- SnapTrees 114
- NFS Share Access 114
- Components and Options 115
- SnapTrees and Security Models 116
- SnapTree Functionality 117
- ID Mapping 118
- Guidelines 119
- Configuring Share Access 121
- Creating Home Directories 122
- Windows ACLs 123
- (Windows) 124
- Security Guides 125
- Snapshots 127
- Snapshot Management and Usage 128
- Snapshots and iSCSI Disks 129
- Adjusting Snapshot Pool Size 130
- Accessing Snapshots 130
- Disaster Recovery 133
- \\server_name\volume_name 134
- Backup Recommendations 136
- Pre-Restore Requirements 137
- Restore Recommendations 137
- Cloning a Server 140
- CA eTrust Antivirus Software 141
- Antivirus Dependencies 142
- The Local Scanner View 143
- Defining Scan Jobs 144
- Running a Manual Scan Job 146
- Scheduling a Scan Job 146
- Signature Updates 147
- Alert Options 151
- The Move Directory 152
- Log View 153
- Unicode 155
- Step 2: Back up your system 156
- Step 3: Convert to Unicode 156
- Step 4: Make a new DRImage 157
- Backing Up Unicode Servers 159
- Unicode and Expansion Arrays 161
- Unicode Converted Head Units 162
- SnapServer 163
- BakBone Netvault 164
- Preinstallation Tasks 168
- Backup of iSCSI Disks 182
- Command Line Interface 183
- Procedures 185
- SnapCLI Commands 186
- Command Description 187
- Scripts in SnapCLI 193
- Sample Script 194
- Delete the share 196
- Troubleshooting SnapServers 197
- Behavior 198
- System LED 199
- Network LEDs (N2000 199
- The Meaning of LED Indicators 201
- 1 2 3 4 209
- 56 78 209
- Fault LED 211
- SEP MASTER 214
- Ops Panel LEDs 218
- The LEDs operate as follows: 218
- System Reset Options 219
- Networking Issues 221
- Network > Windows screen 223
- Miscellaneous Issues 224
- Other Issues 225
- Phone Home Support 226
- Support screen 227
- Text Field Description 227
- GuardianOS Ports 229
- Network File System 231
- Glossary 233
- Term Definition 234
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