APC Snap Server 2200 Specifications Page 137
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- Table of contents
- TROUBLESHOOTING
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NAS (network attached storage) Hard disk storage that is set up with its own network address
as opposed to being attached to the department computer
that is serving applications to a network's workstation users.
By removing storage access and its management from the
department server, both application programming and files
can be served faster because they are not competing for the
same processor resources. The NAS device is attached to a
local area network (typically an Ethernet network) and
assigned an IP address.
NetVault for GuardianOS
A comprehensive backup solution that is preinstalled on
Snap Servers running GuardianOS v2.6 or higher to support
backup and restore operations to a local tape drive.
NFS (Network File System) A client/server application that allows a computer user to
view and optionally store and update files on a remote
computer as though they were on the user's own computer.
The user's system needs to have an NFS client and the
other computer needs the NFS server. The Snap Server is
configured as an NFS server by default.
NIS (Network Information Service) A network naming and administration system for smaller
networks that was developed by Sun Microsystems. NIS+ is
a later version that provides additional security and other
facilities. The Snap Server accepts NIS users and groups.
node Any device, including servers, workstations, or tape devices,
that are connected to a network; also the point where
devices are connected.
nvdb directory A NetVault for GuardianOS database directory stored on the
Snap Server that holds records for the media and backups
performed.
orphan A disk drive that has become disconnected from its RAID
either by accidental removal of the drive or the intermittent
failure of the drive.
parity Error correction data. RAID 5 stores equal portions of each
file on each disk and distributes parity information for each
file across all disks in the group. This distributed parity
allows the system to recover from a single disk drive failure.
Permissions A security category, such as no access, read-only, or read-
write, that determines what operations a user or group can
perform on folders or files.
PoP (Proof of Purchase) The number used to obtain a license key for an upgrade to
third-party applications.
Ter m Definition
- Snap Server 1
- Administrator Guide 1
- ETRUST ANTIVIRUS 6
- Contents 7
- Documentation Feedback 11
- Audience and Purpose 11
- Service and Technical Support 11
- Tips and Cautions 12
- Typographical Conventions 12
- Finding More Information 13
- Administrative Overview 15
- GuardianOS Specifications 16
- Feature Specification 17
- New Features in this Release 19
- Snap Server Manager 19
- Launching Snap Server Manager 20
- Server Name 22
- Date/Time Settings 22
- Configuring an APC-Brand UPS 23
- SnapExtensions 24
- Add-On Features 25
- Chapter 2 27
- TCP/IP Options 28
- Configuring TCP/IP Settings 30
- Windows SMB Access 31
- Support for Windows (SMB) 32
- NFS Access 33
- Apple File Protocol Access 34
- FTP Access 35
- HTTP/HTTPS Access 36
- DHCP Server 36
- User & Group Management 37
- Local Users and Groups 38
- Windows Workgroup or Domain 39
- NIS Domain 41
- Storage Configuration & 43
- Expansion 43
- RAID Groups 45
- Local and Global Hot Spares 45
- RAID Management Tools 46
- Volumes 47
- Quotas 48
- Expansion Arrays 49
- The Snap Disk 10 50
- The Snap Disk 30SA 50
- The Snap Disk 32SA 51
- Status Devices 52
- The Enclosure Summary Screen 53
- Chapter 5 55
- Chapter 5 iSCSI Disks 43 57
- Share and File Access 59
- Components and Options 60
- SnapTree Functionality 61
- Creating Shares 62
- Share Access Behaviors 63
- The NFS Warning Message 64
- (Windows) 65
- Access Permissions 67
- Snapshots 69
- Scheduling Snapshots 70
- NDMP and Snapshots 70
- Snapshots and iSCSI Disks 70
- Adjusting Snapshot Pool Size 71
- Accessing Snapshots 72
- Chapter 7 Snapshots 59 73
- Disaster Recovery 75
- Backup Recommendations 77
- Pre-Restore Requirements 78
- Restore Recommendations 78
- Maintenance Mode 80
- CA eTrust Antivirus Software 83
- Antivirus Dependencies 84
- The Local Scanner View 86
- Defining Scan Jobs 87
- Running a Manual Scan Job 88
- Scheduling a Scan Job 88
- Signature Updates 89
- Download Now 91
- Alert Options 93
- The Move Directory 94
- Log View 95
- Troubleshooting Snap Servers 97
- The Meaning of LED Indicators 100
- Behavior 105
- System Reset Options 106
- Caution 107
- Networking Issues 109
- Miscellaneous Issues 113
- Phone Home Support 114
- Text Field Description 115
- Appendix K 117
- Pre-installation Tasks 119
- Errors Messages To Be Ignored 125
- •Recover — 129
- •Nsrretrieve — 129
- Glossary 131
- Term Definition 132
- Ter m Definition 133
- Chapter 12Symbols 143
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