Spectra Logic AIT-4 Manual

Spectra 2K Library AIT-4 Drive Upgrade

SPRT-1060-A-092004

The Sony AIT-4 drives double the Spectra 2K library’s capacity and transfer rate. Review

this document for information about AIT-4 and about upgrading your library to take

advantage of AIT-4 drive technology.

•Preparation, below.

•Updating Firmware, below.

•Installing the AIT-4 Drive on page 3

•Completing the Drive Upgrade Process on page 9

•Sony AIT Drive Specifications on page 9

Preparation

1. Identify the drive or drives to be upgraded in your Spectra library.

2. Make sure you have an AIT-4 drive for every drive you are replacing, and a

library firmware upgrade tape.

3. If you are going to return the drives to Spectra Logic (for example, for trade-ins

or in conjunction with a prepurchase), reserve the drive packaging for later use.

4. Download the AIT-4 driver from the Sony Web site, then install it on the library’s

host system.

5. Make sure all backup procedures are halted, and that you set aside enough time

to complete the upgrade. Allow 15 minutes to upgrade firmware, and another

15 minutes per drive to replace the old drive with the new.

Updating Firmware

To upgrade your Spectra 2K library, have on hand:

• A Spectra Logic firmware code tape

• A small flat head screwdriver

Spectra 2K Library AIT-4 Drive Upgrade

Loading the Firmware Code Tape

To load the firmware tape:

1. Drives are located at the bottom of the library. Move the picker away from its

lowest position, so that you can access the drives:

•Open and close the library door, which forces the picker to move.

•When the picker is positioned in the middle or the top of the library,

open the door again.

2. Carefully insert the tape into the drive with the write-protect tab facing out and

the window facing up. If you have a two-drive library, make sure you load the

tape into Drive 1—the drive closest to the data cartridge magazine.

Preparing the Library

1. Power off the library.

2. Disconnect the SCSI cable from the back of the library.

3. Move the library to a position that provides easy access to the front and rear of

the library.

4. Locate the configuration switches on the rear of the library, and write down the

settings of the library configuration switch and the SCSI ID switch.

5. Use a small screwdriver to turn the library configuration switch to 4 and the

library SCSI ID switch to 7.

Loading the New Firmware

1. With the library door open and the picker away from its lowest position, power

on the library. The library begins the firmware update process, during which time

the picker parks at the bottom of the library, and its LED turns amber for the

duration of the firmware upgrade. This process typically requires less than five

minutes.

2. When the drive ejects the tape, the upgrade is complete; remove the tape from

the drive.

If the tape doesn’t automatically eject from the drive: make sure the

picker is parked at the bottom of the library, then press Eject on the front

of the drive.

Spectra 2K Library AIT-4 Drive Upgrade

Resetting Original Values

1. Turn off the power to the library.

2. Use a small screwdriver to return the configuration switch to the default

position of 0 and the library SCSI ID to its original setting.

3. Reconnect the SCSI cable to the back of the library.

Installing the AIT-4 Drive

Removing the Back Panel and Fan

1. To remove the rear access panel, remove the two lowest screws on the back of

the library with the Phillips screwdriver (Figure 1), then lift the bottom panel and

work it down, so that the tongues at the top of the panel can clear their slots

(Figure 2), using caution as the edges may be sharp.

Figure 1 Remove the rear access panel screws

(Fibre Channel library shown).

Figure 2 Remove the rear access panel.

Spectra 2K Library AIT-4 Drive Upgrade

2. Unplug the fan and serial port cables inside the Spectra 2K. Set the panel aside

(Figure 3).

Removing the Drive

1. Unplug the SCSI ID cable and the power supply cable from the library and drive

(Figure 4).

2. Unplug the SCSI ribbon from the drive (Figure 4), pulling the ribbon straight

back from the connector without pulling other wires.

Figure 3 Unplug the fan and serial port cables (Fibre Channel library shown).

Figure 4 Location of the cables in the drive access area.

Fan

cable

Serial port

cable

Disconnect

power cable

Disconnect

SCSI

ribbon

Disconnect

SCSI ID

cable

Spectra 2K Library AIT-4 Drive Upgrade

3. Loosen the wing-nut screw on either side of the drive (Figure 5), then holding

the drive edges, slide the drive out of the library (Figure 6).

Installing the Drive

1. Remove the drive from its packaging.

2. Attach the power cable to the new drive, and make sure both the power cable

and SCSI ID cable are securely attached to the drive (Figure 7).

Figure 5 Loosen the wing-nut screws. Figure 6 Slide the drive out of the library.

Figure 7 Attach the power cable and SCSI ID cable to the drive.

Wing-nut

screws

SCSI ID

cable

Power cable

Spectra 2K Library AIT-4 Drive Upgrade

3. Slide the drive into the drive slot. Drive 1 fits above the drive rails, Drive 2 fits

below them. Use the top slot if you are installing only one drive. Keep the

power cable to the right as you insert the drive into the library (Figure 8).

4. Tighten the wing-nut screws on the drive you just installed (Figure 9), then

connect the power cable to the library socket (Figure 10).

Figure 8 Always place the first drive in the top slot; the second

drive goes in the bottom slot.

Figure 9 Turn the screws clockwise to tighten. Figure 10 Connect the power cable to the library socket.

Spectra 2K Library AIT-4 Drive Upgrade

5. Connect the power cable to the drive. If you are attaching a second drive, make

sure that you correctly connect the power cable for each drive (Figure 11).

6. Attach the SCSI ribbon cable to each drive. Attach the last plug on the SCSI

ribbon cable to the bottom drive. If you are attaching only one drive, leave the

last connector on the SCSI ribbon cable unattached (Figure 12).

7. Attach the SCSI ID cable to the library. Plug the Drive 1 (top drive) SCSI ID into

the left connector. Plug the SCSI ID for Drive 2 (bottom drive) into the

connector on the right (Figure 13).

8. Confirm that the wiring is correct and secure.

9. If you have a second drive, repeat this procedure.

Figure 11 Power cable connections. Figure 12 Two connectors on the SCSI ribbon cable attached to two drives.

Figure 13 Attach the SCSI ID cables.

To Drive 1

To library power socket

To Drive 2

SCSI ribbon

connectors

Drive 1 & 2

SCSI ID sockets

Spectra 2K Library AIT-4 Drive Upgrade

Attaching the Rear Panel

1. Attach the fan and serial port cables (Figure 14).

2. Attach the rear access panel with the two Phillips screws.

Setting the SCSI IDs

After you have installed the new drive, verify the settings of the SCSI ID switches,

located just above the drive access area. A SCSI Spectra 2K library may require up to

three SCSI ID’s depending on the number of drives installed. Verify that each of the SCSI

ID’s are set correctly; the library and each drive must have its own number. A Fibre

Channel Spectra 2K has only Library and Config switches on the rear panel. For Fibre

Channel, make sure the Library switch is set to “2”.

Figure 14 Attach the fan and serial port cables.

Figure 15 Set the SCSI ID switches (SCSI library shown).

Fan power cable

Serial port

Spectra 2K Library AIT-4 Drive Upgrade

Completing the Drive Upgrade Process

1. Check your operating system manual, and follow instructions as necessary (for

example, reconfigure the kernel) to make sure the operating system recognizes

the new drive files.

2. Test your drives. For example, back up a set of data that includes one

executable program; restore the data to a temporary directory; then read the

restored data and run a restored program. Refer to your backup software

documentation for a more specific procedure. After you have performed a drive

test successfully, continue.

3. Restart backup processes

Returning Old Drives

To return old drives to Spectra Logic (for example, if you are trading in the drives, or if

you pre-purchased the new drives), use the AIT-4 drive packaging and return the drives

to Spectra Logic (North America) or contact Support for assistance in determining how

to return the drives.

Sony AIT Drive and Media Specifications

Sony AIT Drive Specifications

The following table summarizes the specifications for Sony AIT media.

Tape Type Length Capacity a

a. All specifications subject to change without notice.

AIT-3 230 meters 100 GB native (260 GB with ALDC)

AIT-4 230 meters 200 GB native (520 GB with ALDC)

Spectra 2K Library AIT-4 Drive Upgrade

Sony AIT Tape Drive Specifications

The following table summarizes the specifications for Sony AIT drives.

LED Information

The following table summarizes the information carried by the drive’s LEDs:

Parameter AIT-1 AIT-2 AIT-3 AIT-4

Ambient operating temperaturea

a. This applies to the drives; the limits for the library are given in the library user guide.

+41°F to +104°F (+5°C to +40°C)

Storage temperature -40°F to +158°F (-40°C to +70°C)

Operating humidity 20% to 80% non-condensing

MTBF 200,000 hours @

100% duty cycle

300,000 hours @

100% duty cycle

400,000 hours @

100% duty cycle

400,000 hours @

100% duty cycle

Average file access time < 55 seconds < 27 seconds < 27 seconds < 52 seconds

Uncorrectable error rate Less than 1 x 10-17 bits

Sustained transfer rateb, c

b. This is a per-drive value. Total sustained transfer rate for the library depends on the number of drives installed in the library.

c. The sustained transfer rate can increase by an average of 2.6 times with compression, dependent on the type of data.

3 MB/sec native 6 MB/sec native 12 MB/sec native 24 MB/sec native

Burst transfer rate

(synchronous maximum) d

d. The actual burst transfer rate is limited by the performance of the SCSI HBA, the controller, and the buffer control hardware.

40 MB/sec 40 MB/sec 160 MB/sec 160 MB/sec

Type of Blink

LED Type

Tape Motion Cleaning Request Replace Tape

Offa

a. Off: no color in the LED

No Tape Cleaning is not necessary No media error occurred

Onb

b. On: Blue and not blinking

Tape Loaded Cleaning request Media error occurred

Slow Flashc

c. Slow flash: flashes blue for 3-1/2 seconds and off for 1/2 second

Tape access in progress (read/

write)

Cleaning is not completed N/A

Fast Flashd

d. Fast flash: flashes blue for 1/4 second and off for 1/4 second

Tape access in progress (other) N/A N/A

All Flashe

e. All LEDs flashing: all flash blue for 1/4 second and off for 1 second

Hardware error occurred

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