HP VLS1002i User Manual Page 118
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disk array Two or m ore hard drives combined as a single logical unit for increased
capacity, speed, and/or fault-tolerant operation. Disk arrays are logically
grouped into a storage pool. See also storage pool.
disk mirroring A technique in which data is written to two duplicate disks simultaneously.
Mirroring provides data protection in the case of disk failure, because data is
constantly updated to both disks. This way if one of the hard drives fails, the
system can instantly switch to the other disk without any loss of data or service.
See also RA ID 1 -level data storage and failover protection.
disk striping The process of dividing a body of data into blocks and spreading the data
blocks across several partitions on several disks. See also R A I D.
disk-to-disk
backup
Typically refers to backing up data on d isk s rather than on tape. Disk-to-disk
backup systems provide a very fast single file restore capability compared with
disk-to-tape backup. See also data restore and virtual tape.
disk-to-disk-to-
tape
backup
Archiving in which data is initially copied to backup storage on a disk-based
storage system, such as a VLS, and then periodically copied again to a tape
storage system. See also data migration.
DVD drive
E-mail Short for electronic mail, the transmission of messages over communications
networks.
emulation Refers to the ability of a program or device to imitate another p rogra m or device.
Ethernet A widely implem ented local area network (LAN) protocol that uses a bus or star
topology a nd serves as the basis for the IEEE 802.3 standard, which specifies
the
physical and software layers. Baseband LAN a llows multip le station access
to the transmission medium at will without prior coordination and which avoids
or
resolves contention.
extent The minimum amount of disk space allocated for writing by the VLS dynamic
disk
files system. A smaller extent reduces wasted disk space, but decreases
restore performance. The VLS extent size is 32 MB. See also data restore.
failover protection A backup operational mode in which the functions of a system component (such
as a
hard drive or power supply) are assumed by secondar y system components
when the p rimary component be comes unavailable through either failure or
scheduled down time.
file AVLS file is a virtual cartridge.
Firesafe The holding area for virtual media that is not assigned to a virtual library. Data
cannot be restored from virtu a l media loca ted in the Firesafe until the media is
moved into a library.
hot plug The ability to add and remove devices to an appliance while the appliance is
running and have the operating system automatically recognize the change.
infrastruc ture The physical hardware used to interconnect computers. Infrastructure also
includes the software used to send, receive, and m anage the signals that are
transmitted.
initiator Media (host) server that runs the backup/restore application that passes
commands and data b etween the net work and the VLS.
inputs/outputs per
second
A measure of performance for a host-attached storage device or RAID controller.
IP add ress Internet Protocol Address. Unique string of numbers (in the format
xxx.xxx.xxx.xxx) that identifies a d evice on a network.
118
Glossary
- 406685-002 1
- Contents 3
- Figures 7
- About this guide 11
- Rack stability 12
- About this guide 14
- 1Introduction 15
- Important concepts 16
- Retention planning 17
- Introduction 18
- Selecting a location 19
- Unpacking 20
- Racking (optional) 21
- Temperature requirements 23
- Power requirements 23
- Installing t 24
- Install appliance in rack 26
- Installing VLS1000i cables 28
- 3Configurin g the VL S1000i 31
- Configuring the VLS1000i 32
- Powering on the VLS 35
- Configuring the VLS 35
- Configuri 38
- Configuring logon information 41
- Configuring E-mail alerts 42
- Deploying iSCSI initiators 43
- Creating vir tual devices 47
- Creating a tape library 48
- 4 Working with the V LS1000i 53
- Working with the VLS1000i 54
- Logging off of the VLS GUI 57
- Relocating an a 59
- Rebooting the VLS 61
- Powering off the VLS 62
- 5 VLS1000i GUI 63
- Closing a VLS GUI session 65
- VLS GUI tabs 65
- Configuration tab 66
- 68 VLS1000i GUI 68
- Backup H 69
- Hardware Status 69
- Network Configur 70
- System Configuration 70
- Support tab 71
- Ping Host 72
- Shut Down/Restart 72
- VLS1000i Help 72
- Support Links 72
- 6 Mainten ance 73
- Log files 74
- Configuration files 75
- Single drive failure 76
- Multiple drive failure 77
- F irmware corruption 77
- Fatal hardware failure 78
- Appliance replacement 78
- Error message 81
- Maintenance 82
- 7 Component replacement 83
- Chassis cov ers 84
- Front top cover 85
- Component replacement 86
- Backplane batter y 88
- System memory 89
- System fans 91
- Hard disk drives 92
- RAID controller card 94
- DVD-ROM drive 95
- ASpecifications 97
- Physical specifi 98
- Environmental specifications 98
- B Troublesh ooting 99
- Troubleshooting 100
- Clicking submit 101
- Receive e 103
- Serv er Er 103
- Unable to log on to the GUI 103
- Receive 104
- Class A equipment 105
- Modifications 106
- Class B equipment 106
- Laser complianc 107
- BSMI notice 108
- Japanese notice 108
- Korean not 108
- Battery replacement notice 109
- Power cords 109
- Japanese power cord notice 109
- Electrostatic discharge 109
- Czechoslovakian notice 110
- Danish notice 111
- Dutch notice 111
- English notice 111
- Estonian notice 111
- Finnish notice 112
- French notice 112
- German notice 112
- Greek notice 112
- Hungarian not 113
- Italian notice 113
- Latvian notice 113
- Lithuanian notice 113
- Polish notice 114
- Portuguese notice 114
- Slovenian notice 114
- Spanish notice 115
- Swedish notice 115
- Glossary 117
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