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UNIX® is a registered trademark of The Open Group.
Printed in the US.
• Become familiar with HP StorageWorks 1000i virtual library system (VLS) features, models,
and
components
• Install and operate your VLS
• Configure your VLS to meet the data backup needs of your environment
• Manage your VLS so that it continues to meet the data backup needs of your environment
• MonitoryourVLS’s hardware status
• Replace failed customer-replaceable c omponents
• Troubleshoot problems
• Perform diagnostics and disaster recovery
Intended au
This book is intended for use by system administrators who are experienced with setting up and managing
system backups over a Local Area Network (LAN).
dience
Prerequisites
Before beginning, make sure you are familiar with the items below.
• Tape backup technologies, tape libraries, and backup software
• LAN environments
Before installing the appliance, make sure you have:
• APhillipsscrewdriver.
• If racking is desired, an HP 1 0000 Series rack with one unit of space available to mount a VLS.
Other racks might also be suitable, but have not been tested with the VLS.
Related documentation
In addition to this guide, please refer to other documents for this product:
• HP Storag
• HP StorageWorks 1000i Virtual Library System parts replacement poster
These and other HP documents can be found on the HP documents web site: h
elements that a re clicked or
selected, such as menu and list
items, buttons, tabs, and check
boxes
System output
Code
Commands, their arguments, and
argument values
Command variables
WARNING!
Indicates that failure to follow directions could result in bodily harm or death.
CAUTION:
Indicates that failure to follow directions could result in damage to equipment or data.
NOTE:
Provides additional information.
Rack stability
WARNING!
If your appliance is in a rack, reduce the risk of personal injury or damage to equipment:
• Extend leveling jacks to the floor and ensure that the full weight of the rack rests on the leveling jacks.
• Install stabilizing feet on the rack.
• In multiple-rack installations, secure racks together.
• Extend only one rack component at a time. Racks may become unstable if more than one component
is
extended.
12
About this guide
HP technical su
pport
Telephone numb
ttp://www.hp.com/support/.
h
Collect the following information before calling:
• Technical sup
• Product serial numbers
• Product model names and numbers
• Error messag
• Operating system type and revision level
• Detailed questions
• Support tick
For continuous quality improvement, calls may be recorded or monitored.
ers for worldwide technical support are listed on the HP support web site:
port registration number (if applicable)
es
et
Subscription service
HP recommends that you register your product at the Subscriber’s Choice for Business web site:
h
ttp://www.hp.com/go/e-updates.
After registering, you will receive E-mail notification of product enhancements, new driver versions,
firmware updates,andotherproductresources.
HP-author
ized resellers
For the name of your nearest HP-authorized reseller:
• In the United States, call 1-800-282-6672.
visit the HP web site: h
• Elsewher
telephone numbers.
e,
ttp://www.hp.com.Then click Contact HP to find locations and
HP web sites
For additional information, see the following HP web sites:
ttp://www.hp.com
• h
• http://www.hp.com/go/storage/tapestorage
• http://www.hp.com/support/
• http://www.docs.hp.com
Documentation feedback
your feedback.
HP welco
To make comments and suggestions about product documentation, please send a message to
storagedocs.feedback@hp.com. All submissions become the property of HP.
mes
HP StorageWorks 1000i Virtual Library System
13
14
About this guide
1Introduction
This section describes the HP StorageWorks 1000i virtual library system features, m odels, and c oncepts.
Features
The HP StorageWorks 1000i virtual library system ( VLS) is a RAID 5, serial ATA disk-based LAN backup
device that emulates standalone HP LT02 drives and HP Autoloader 1/8 with LT02 physical tape drives,
perform disk-to-virtual tape (disk-to-disk) backups using your existing backup applications.
allowing you t
The VLS emulat
and
number of tap
You configur
emulates up to 6 tape libraries, 12 tape drives, and 180 cartridges.
The VLS accommodates mixed IT platform a nd backup application environments, allowing all your servers
and
allowed to access each virtual library and tape drive you configure.
Benefits
Integrating a VLS into your existing storage and backup infrastructure delivers the following benefits:
• Faster backups
• Faster single file restores
• Lower operating costs
• More efficient use of storage space
cartridg
backup applications to access the virtual media simultaneously. You specify which servers are
The VLS is optimized for backups and delivers faster performance than a simple disk-to-disk
solution. The VLSemulatesmanymoretapedrivesthanare availableinphysicaltapelibraries,
allowing more hosts to run backups concurrently.
Asingle file can be restored much faster from disk than tape.
Fewer physical tape drives and cartridges are required as full backups to tape are
eliminated. Also, fewer cartridges are required as small backups stored on multiple virtual
cartridges can be copied to one physical cartridge.
Physical tape libraries cannot share storage space with other
physical tape libraries, and physical cartridges cannot share storage space with other physical
cartridges. This unused storage space is wasted.
Storage space is not wasted in a VLS, because VLS storage space is dynamically assigned as it is
used. Storage space is shared by all the libraries and cartridges confi gured on a VLS.
o
HP Autoloader 1/8 with LT02 physical tape libraries, including the tape drives
es the
inside the libraries. You determine the number of tape libraries a VLS emulates, and the
es
drives and cartridges included in each tape library to meet the needs of your environment.
e
the size of the virtual cartridges in your VLS, which provides even more flexibility. The VLS
e
• Reduced risk of data loss and aborted backups
RAID 5-based storage is more reliable than tape storage.
Aborted backups caused by tape drive mechanical failures are eliminated.
HP StorageWorks 1000i Virtual Library System
15
Important concepts
To understand the configu ration of the backup network and how it fits into the local-area network (LAN),
review the following sections.
Internet SCSI (iSCSI) protocol
Internet SCSI (iSCSI) is a standard protocol for universal access to shared storage devices over standard,
Ethernet-based transmission control protocol/Internet protocol (TCP/IP) networks. The connection-oriented
protocol transports SCSI commands, data, and status across an IP network.
The iSCSI architecture is based on a client-server model. The client is a host system that issues requests
to
read or write data. iSCSI refers to a client as an initiator. The server is a resource that receives and
executes client requests. iSCSI refers to a server as a target.
File servers, which store the programs and data files sha red by users, normally play the role of server.
With the VLS, the application and backup servers within your network act as clients or initiators and
the
VLS acts as a server or target. The initiators can either be iSCSI software simulation or host bus
adapters (HBAs) on the ser ver that is b eing backed up.
Disk-to-Disk-to-Tape (D2D2T) backup capabilities
TheVLS is astorage resource used by asinglebackupserver orsharedby multiplebackupservers using
an Ethernet network. By using standard backup software, you can copy backup data that resides on the
VLS to physical tape for long-term data retention.
The following illustration shows application servers sending backup data over a Gigabit Ethernet (GbE)
LAN to b ackup servers sharing VLS D2D storage over GbE.
NOTE:
The con
Figure 1 Disk-to-Disk-to-Tape backup
In addition to being part of the LAN, the backup servers, and the VLS are part of the GbE backup LAN.
nection fr om the Client — Tape can be either FC or direct attached SCSI.
Clients
Ethernet
VLS 1000i Client Client - Tape
Redundant Array of Independent Disks (RAID)
RAID provides convenient, low-cost, reliable storage by saving data on more than one disk drive
simultaneously. If one disk drive in a RAID 5 configuration becomes unavailable, the others continue to
work in a degraded state, thus avoiding downtime for users.
16
Introduction
Emulation
The VLS1000i can emulate:
• a standalone tape drive, with a 1:1 relationship between cartridges and drives
• a library, with
Both emulations are based on LTO-2 drive technology. When you use emulation, the disk drives on the
VLS appear to your backup software as LTO-2 tape cartridges, which simplifi es the setup process while
simultaneously providing data compression and the attributes of backing up data to disk.
NOTE:
Data compression can be used, but it reduces the data transfer speed significantly.
multiple
Retention planning
Retention planning and sizing go hand in hand. How long do you need to keep data on disk? How
many full backups do you want to keep on disk? How many incremental backups? How do you want to
optimize retention times of the VLS? Retention policies help you recycle virtual media. Bear the following
considerations in mind as you plan retention policies:
• If the data’s useful life is too short to warrant backup to tape, you might choose to keep it on disk.
• Once the retention period expires, the virtual media is automatically recycled (remember that you
never remove tapes from a virtual library so you want the backup application to keep re-using the
same virtual tapes based on their retention recycling periods).
• In your backup application you should set the tape expiration dates (that is, when the tape is
marked as worn out) high because virtual media does not wear out.
• Backup-job retention time is for virtual media.
• Copy-job retention time is for physical media.
• When copying through the backup application, the virtual and physical pieces of media are
tracked separately and the retention times should be considered and set individually.
cartridges and 1 or more drives
HP StorageWorks 1000i Virtual Library System
17
18
Introduction
2 Setting up the VLS1000i
hardware
The hardware installation consists of these steps:
• Preparing for the installation
• Unpacking
• Racking (optional)
• Installing cables
Preparing for the installation
The following sections describe preparing for the installation.
Tools for installation
The following tools are required for the installation.
• Phillips screwdriver
• Box cutting knife
Taking ESD precautions
To prevent damaging the system, be aware of the precautions you need to follow when setting up the
system or handling parts. A discharge of static electricity from a finger or other conductor may damage
system boards or other static-sensitive devices. This type of damage may reduce the life expectancy of
the
device.
electrostatic damage:
To preven
• Avoid hand contact by transporting and storing products in static-safe containers.
• Keep electrostatic-sensitive parts in their containers until they arrive at static-free workstations.
• Place par
• Avoid touching pins, leads, or circuitry.
• Always be properly grounded when touching a static-sensitive component or assembly.
t
ts on a
grounded surface before removing them from their containers.
Selecting a location
When selecting a location, follow these guidelines:
• Select a location that is flat, sturdy, and level.
• Select a location close to a network Ethernet port and an AC outlet. The AC power cord is the
appliancet’s main AC disconnect device and must be easily accessible at all times.
• Ensure minimum clearance of 15.4 cm (6 inches) at the back of the appliance, 30.8 cm (12
inches) at the front of the appliance, and 5.08 cm (2 inches) on either side of the appliance.
• Avoid placing the autoloader on the floor or other carpeted surfaces.
• The appliance makes some noise when operating, so choose a location where the noise will
not
be cause a disturbance.
• Avoid areas near frequently used doors and walkways, stacks of supplies that collect dust,
printers, and smoke-filled rooms.
HP StorageWorks 1000i Virtual Library System
19
CAUTION:
Excessive dust and debris can damage tapes and tape drives.
Do notplace theautoloaderonSee Environmental specifications for more information.
If
you will rack the appliance, see Optimum environment for a racked system (optional).
Unpacking
Place the shipping carton as close to the installation site as possible. Before unpacking the VLS, inspect
the
shipping carton for damage that may have occurred during shipment. If you detect any damage,
notify the carrier and HP before unpacking the unit.
To unpack the VLS:
1. Open the top of the shipping cartons.
2. Carefully lift the units out of the boxes and remove the packing materials.
3. Place the units on a stable work sur face.
NOTE:
Inspect the units for any damage that may have occurred during shipment. If damage is detected,
contact your authorized service representative.
4. Locate the m aterials and documentation necessary for installing the VLS (see Figure 2). All the
rack mounting hardware and documentation necessary for installing a VLS node into a rack is
included in thenodeshippingcarton.
5. Place shipping materials back into the shipping cartons.
4
6
5200b
Racking (optional)
Therackresourcekit shipswiththe rack. A summary of thecontent of each resource follows:
• Custom Builder is a web-based service for configuring one or many racks. Rack configurations
can
•A simple, guided interface
• Build-it-yourself model
• The In
config
confi
• Planning the site
• Installing rack servers and rack options
•Cabl
• Coupling multiple racks
• The Rack Products Documentation CD enables you to view, search, and print documentation for
HP
in a manner that best fits your environment.
reated using:
be c
stalling Rack Products video provides a visual overview of operations required for
uring a rack with rack-mountable components. It also provides the following important
guration steps:
servers in a rack
ing
Compaq branded racks and rack options. It also helps you set up and optimize a rack
nd
a
HP StorageWorks 1000i Virtual Library System
21
WARNING!
To reduce the risk of personal injury or damage to the equipment, be sure that:
• Thelevelingjacks areextendedtothe floor and the full weight of the rack rests on the leveling jacks.
• The stabilizing feet are attached to the rack if it is a single-rack installation.
• The racks are coupled together in multiple-rack installations.
• Only one component is extended at a time. A rack may become unstable if more than one
component is extended for any reason.
WARNING!
To reduce the risk of p ersonal injury or equipment damage when unloading a rack:
• At least two people are needed to safely unload a rack from a pallet. An empty 42U rack can weigh
as much as
being moved on its casters.
• Never stand in front of a rack when it is rolling down the ramp from the pallet. Always handle a
rack from both sides.
115 kg (253 lb), can stand more than 2.1 m (7 ft) tall, and may become unstable when
Optimum environment for a racked system (optional)
When installing a VLS in a rack, select a location that meets the environmental standards described
in
this section and Environmental specifications.
Space and airflow requirements
To allow for servicing and adequate airflow, observe the following space and airflow requirements
where to install a rack:
when decid
• Leave a minimum clearance of 122 cm (48 in) in front of the rack.
• Leave a minimum clearance of 76.2 cm (30 in) behind the rack.
• Leave a mi
rack when racks are back-to-back.
A V LS draws in cool air through the front door and expels warm air through the rear door. Therefore, the
front and rear rack doors must be adequately ventilated to allow ambient room air to enter the cabinet,
and the r
CAUTION:
To prevent improper cooling and damage to the equipment, do not block the ventilation openings.
When vertical space in the rack is not filled by a VLS or rack component, the gaps between the
components cause changes in airflow through the rack and across the servers. Cover all gaps with
blanking panels to maintain proper airflow.
CAUTION:
Always use blanking panels to fill empty vertical spaces in the rack. This arrangement ensures proper
airflow. Using a rack without blanking panels results in improper c ooling that can lead to thermal
damage.
ing
nimum
door must be adequately ventilated to allow the warm air to escape from the cabinet.
ear
clearance of 122 cm (48 in) from the back of the rack to the back of another
22
Setting up the VLS1000i hardware
CAUTION:
If a third-party rack is used, observe the following additional requirements to ensure adequate airflow
and
to prevent damage to the equipment:
• Front and rear doors—If the 42U rack includes closing front and rear doors, you must allow 5,350 sq
cm
(830 sq in) of holes evenly distributed from top to bottom to permit adequate airflow (equivalent
to the required 64 percent open area for ventilation).
• Side—The clearancebetween theinstalled rack componentand thesidepanelsofthe rack must be a
minimum of 7 cm (2.75 in).
Temperature requirements
To ensure continued safe and reliable equipment operation, install or position the system in a
well-ventilated, climate-controlled environment.
The maximum recommended ambient operating temperature (TMRA) for the VLS is 35° C (95° F).
CAUTION:
To reduce the risk of damage to the equipment when installing third-party options:
• Do not permit optional equipment to impede airflow around the VLS or to increase the internal rack
temperature beyond the maximum allowable limits.
• Do not exceed the TMRA.
Power requirements
Installation of a VLS must comply with local and regional electrical regulations governing the installation
of information technology equipment by licensed electricians. This equipment is designed to operate in
installations covered by NFPA 70, 1999 Edition (National Electric Code) and NFPA-75, 1992 (code for
of Electronic Computer/Data Processing Equipment). For electrical power ratings on options,
Protecti
see the product rating label or the user documentation supplied with that option.
WARNIN G!
To reduce the risk of personal injury, fire, or damage to the equipment, do not overload the AC supply
branch ci
wiring a
CAUTION:
Protect the VLS from power fluctuations and temporary interruptions with a regulating uninterruptible
power supply (UPS). This devi ce protects the hardware from damage caused by power surges and
voltage spikes and keeps the system in operation during a power failure.
on
rcuitthatprovidespower to therack. Consultthe electrical authorityhavingjurisdictionover
installation requirements of your facility.
nd
Electrical grounding requirements
The VLS must be g rounded properly for proper operation and safety. In the United States, you must install
the
as any local and regional building codes. In Canada, you must install the equipment in accordance
with Canadian Standards Association, CSA C22.1, Canadian Electrical Code. In all other countries,
you mus
as the
must be sure that all power distribution devices used in the installation, such as branch wiring and
receptacles, are listed or certified grounding-type devices.
ipment in accordance with NFPA 70, 1999 Edition (National Electric Code), Article 250, as well
equ
install the equipment in accordance with any regional or national electrical wiring c od es, such
t
International Electrotechnical Commission (IEC) Code 364, parts 1 through 7. Furthermore, you
HP StorageWorks 1000i Virtual Library System
23
Because of the high ground-leakage currents associated with multiple VLSes and servers connected to the
same power source, HP recommends the use of a power distribution unit (PDU) that is either permanently
wired to the building’s branch circuit or includes a non-detachable cord that is wired to an industrial-style
plug. NEMA locking-style plugs or those complying with IEC 60309 are considered suitable for this
purpose. Using common power outlet strips for a VLS is not recommended.
VLS1000i node into a rack (optional)
Installing t
he
You have the option to rack the VLS1000i. To do so involves three main tasks:
• Install rails in the rack
• Attach rail
• Install appliance in rack
s
Install rails in the rack
1. Install the two slide rails to the sides of the rack.
a. Adjust the side rail assemblies to the approximate rack depth.
b. If the rack is a 5000 or 10000 series rack, align the semi-pierced washers into the front of the
square holes in the rack so that the embossments on each washer protrude into the hole (see
Figure 3). This holdsthe washersinplace andpreventsthe screws from shifting position.
to the VLS1000i (appliance)
11090
Install semi-pierced washers into rack
Figure
c. Insert an M5 screw through each washer, or washerless hole (SystemE) in the rack, and into the
pre-threaded hole in the sheet metal on the rails (see Figure 4).
3
24
Setting up the VLS1000i hardware
11091
Figure 4 Insert M5 screw
d. Use a T-25 to
the
rail to the rack.
rque wrench or a #2 Phillips screw driver to tighten the M5 screws and secure
e. Align holesattheotherendoftherackwiththerailassemblyandsecurewithmounting
hardware.
5201b
Figure 5 Install rails
f. Repeat these tasks for the rail on the other side of the rack.
the inner slide rails from the outer slide rails. To do so, extend the inner slide rails from the
2. Remov
e
front of the rack until they lock in place. Then p ress the inner rail release latch (see Figure 6)and
pull the
inner slide rails straight out.
HP StorageWorks 1000i Virtual Library System
25
Figure 6 Remove slides from rails
Attach rails to the VLS1000i (appliance)
2
1
10685A
2
1
5202
Figure 7 A
ttach slides to appliance
1. At tach the two bezel brackets to the appliance using the supplied bracket screws, as shown (1).
2. Attach an inner slide rail (lock facing out) to each side of the appliance. Insert the slide rail screws
through the inner slide rails as shown (2), and then tighten.
Install appliance in rack
1. Extend the outer slide rails fully from the rack until they lock. Insert the inner slide rails into the
outer slide rails as shown (1). Press the inner slide lock (2), and then push the appliance all the
way
into the rack.
26
Setting up the VLS1000i hardware
1
2
5203A
Figure 8 Insert appliance into rack
2. With the appliance fully seated in the rack (1), insert a screw into each bezel bracket and tighten
to secure appliance to the rack (2).
1
520 4a
re 9 Secure appliance to the rack
Figu
HP StorageWorks 1000i Virtual Library System
27
Installing VLS1000i cables
1. Connect a standard Ethernet (CAT-5e or better) cable from your local IP network (LAN) to the
NIC 1 (RJ-45) connector (Figure 10).
10/100/100
0
1 2
10700
1
connector (RJ–45) 1
NIC
2
AC power connector
Figure 10 Appliance rear view
WARNIN G!
To reduce the risk of electric shock, fire, or damage to the equipment, do not plug telephone
or
telecommunications connectors into RJ-45 (NIC) connectors .
For best results, HP strongly recommends that you use a dedicated GbE network to share the storage
resources on the VLS among multiple backup servers.
To ensure optimum performance, always use the appropriate patch cables to connect the VLS to the
backup-server storage network. To select the appropriate cables, use the following guidelines:
• You must use Category 5e (or better) cables for GbE connections.
• If you intend to connect the VLS to a 100 BaseT network, use Category 5 (or better) shielded
(screened) or unshielded 100-ohm twisted-pair RJ-45 network cables.
• The maximum length of cable for any Ethernet-based network connection is 328 feet (100
meters).
NOTE:
For smaller environments, y ou can attach the VLS directly to a single application/backup server
without the user of aswitch. If theserver has aGbit connectionyou candothisusing astandard
Category 5E cable, but if the server has a 10/100Mbit connection then you need a special
LAN cross-over cable (not included).
2. Connect the appliance power supply AC power connector to an AC power source using the power
cable provided (Figure 10).
WARNIN G!
To reduce the risk of electric shock or damage to the equipment:
• Do not disable the power cord grounding plug. The grounding plug is an important
safety feature.
• Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible
at
all times.
• Unplug the power cord from the power supply to disconnect power to the equipment.
• Do not route the power cord where it can be walked on or pinched by items placed
against
the
it. Pay particular attention to the plug, electrical outlet, and the point where
cord extends from the node.
3. Press the power button located on the front of the appliance.
28
Setting up the VLS1000i hardware
10986
Figure 11 Push power button
4. If the appliance is racked, attach the bezel to the bezel brackets, installed in "Attach rails to
VLS1000i", then lock the bezel to the server. This will prevent accidental power shut off.
2
1
10987
Figure 12 Attach bezel
Hardware installation is complete. You may now configure theapplianceasdescribed in Configuring the
VLS 1000i.
HP StorageWorks 1000i Virtual Library System
29
30
Setting up the VLS1000i hardware
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