Huge Media Vault - Max

(Single Channel)

User’s Guide

Document number 800001 rev K1.

Copyright © 2003, Huge Systems Inc.

All rights reserved. Printed in the U.S.A.

Huge Media Vault, Huge Media Vault DualMax, Huge MediaVault Max, HDTV RAID, SDTV RAID,

Huge Systems name and logo are registered trademarks of Huge Systems Inc.

All other trademarks are the property of their respective holders.

Specifications and procedures in this document are subject to change without notice.

Published by: Huge Systems Inc.

Page 2 of 26 Huge Media Vault - Max User’s Guide 800001 rev K1

Table of Contents

Thank You ....................................................................................................................................... 4

Model Numbering ........................................................................................................................ 4

Features and benefits.................................................................................................................. 5

Agency Approvals ....................................................................................................................... 5

Specifications .............................................................................................................................. 5

Technical Support............................................................................................................................ 5

Serviceability ............................................................................................................................... 5

Getting Started................................................................................................................................. 6

Unpacking ................................................................................................................................... 6

Check List.................................................................................................................................... 6

Editing System Requirements..................................................................................................... 6

Hardware Installation and configuration .......................................................................................... 7

SCSI Host Adapter ...................................................................................................................... 7

Component Locations ................................................................................................................. 8

SCSI ID ....................................................................................................................................... 9

Mode Select – RAID Level .......................................................................................................... 9

Double Beep.............................................................................................................................. 10

Reset Button.............................................................................................................................. 11

SCSI connections...................................................................................................................... 11

Host connections .................................................................................................................. 11

Terminator............................................................................................................................. 11

Daisy chaining....................................................................................................................... 12

Input Power ............................................................................................................................... 12

AC Power .............................................................................................................................. 12

Power Switch ........................................................................................................................ 12

Indicators................................................................................................................................... 13

Front LED Status Indicators.................................................................................................. 13

Power Up Light Show ........................................................................................................... 13

Diagnostic Port .......................................................................................................................... 13

Audible Alarm ................................................................................................................................ 14

6 Rapid Beeps During Boot Time.............................................................................................. 14

6 Rapid Beeps During Normal Operation.................................................................................. 14

Slow Beeps ............................................................................................................................... 14

Formatting and Partitioning ........................................................................................................... 15

Macintosh G4 / G5 in OS X ....................................................................................................... 15

Windows NT Partition / Format ................................................................................................. 20

Preparing a Media Vault Max (single channel) ..................................................................... 20

Preparing a Media Vault DualMax (dual channel) ................................................................ 20

Windows 2000 and XP Partition / Format ................................................................................. 21

Preparing a Media Vault Max (single channel) ..................................................................... 21

Preparing a Media Vault DualMax (dual channel) ................................................................ 21

Application Notes........................................................................................................................... 23

General...................................................................................................................................... 23

Video Resolution Data Rates................................................................................................ 23

Hours per Terabyte Table ..................................................................................................... 23

Macintosh .................................................................................................................................. 24

ATTO Firmware .................................................................................................................... 24

RAID Compatibility................................................................................................................ 24

Windows NT / 2000 / XP ........................................................................................................... 25

RAID Compatibility................................................................................................................ 25

MaximumGSList.................................................................................................................... 25

800001 rev K1 Huge Media Vault - Max User’s Guide Page 3 of 26

Thank You

Congratulations and thank you for purchasing the Huge Media Vault product from Huge Systems Inc. a leader in huge performance, huge quality, and huge cost savings storage product for your video editing and storage requirements.

Your Huge Media Vault storage system utilizes the latest SCSI Ultra160 technology. SCSI Ultra160 affords system operations at blazing speeds, enabling you to maximize valuable system time and the highest of video quality for HDTV resolutions.

Each Huge Media Vault - DualMax contains two independent RAID controllers and ten disk drives for

HDTV applications. Huge Media Vault uses the latest in high performance disk drives and the latest transfer mode, huge throughput per disk drive pumping data into our RTR (Real Time RAID) engine for fault tolerant and maximum transfer rates, coupled with the RTC (Real Time Cache) at an internal data rate of 400MBytes/sec, this translates to a huge performance at the SCSI interface. Upward of 320MBytes/sec burst and 200MBytes/sec of sustained data rate with the dual SCSI channel Huge Media Vault.

Data protection are available with the built-in RAID 3@2k and RAID 3 modes. A simple and easy to use

Mode Select switch selects either RAID 0 or RAID 3@2k or RAID 3 operation.

If you have any comments, suggestions or questions, please call, FAX or e-mail us. We value input from the most important people, you our customer.

Again, we thank you.

Model Numbering

The Huge Media Vault model numbers are in the following pattern:

HMV - (size) - (channels)

Where HMV is Huge Media Vault

(size) is the capacity of the Media Vault in Gigabytes in RAID 0 mode.

(channels) is either DualMax for 2 SCSI channels or Max for a single SCSI channel.

HMV-2500-DM would represent 2500 Gigabytes (2.5 Terabytes) of Dual SCSI Channel.

Page 4 of 26 Huge Media Vault - Max User’s Guide 800001 rev K1

Features and benefits

• Max Burst Data Rate 160MBytes/sec

• Minimum Sustained Data Rate 100MBytes/sec

• One Ultra160 SCSI channel

• One RAID controller

• RAID 0 or RAID 3@2k or RAID 3

• RTR - Real Time RAID reconstructs data “on the fly” should a drive “glitch”

• RTC - Real Time Cache recognizes small block accesses for perfect audio play back.

• Ultra160 SCSI interface. Compatible with Ultra 2/LVD, Single Ended, Ultra Wide, Fast, SCSI-3,

SCSI-2, SCSI interface and protocol.

• Daisy chain of multiple SCSI devices with the built-in in and out SCSI connectors.

• Five high performance hard disk drives.

• Multiple cooling fans.

• Easy user selection of functionality via Mode Selection and Mode Enable switches. No complicated software setup or maintenance.

• Serial port for detail level maintenance and support.

• Audible Alarm and LED indicators.

Agency Approvals

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

EC Declaration of Conformity:

Conforms to Standards EN 50081-1:1992

EN 1998

Specifications

Physical Dimensions: 7 ½” wide x 11” high x 17 ¼” deep

Weight:

Power:

26

Selectable 100-120 VAC 60 Hz or 200-240 VAC 50 Hz

Current Draw: 115VAC Start-up 1.0 A

Read/Write/Seek:

Operating temperature: 5-40 degrees Celsius

A maximum

Technical Support

Wide

www.hugesystems.com [email protected]

Telephone: FAX:

818-991-1188 818-991-6893

M-F: 8AM – 5PM PST.

Serviceability

There are no user serviceable parts in the Huge Media Vault storage subsystem. Designed simply for maximum reliability with NO requirement for any type of scheduled maintenance.

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Getting Started

The Huge Media Vault comes pre-assembled and ready to be connected to the SCSI Ultra160 compatible

SCSI interfaces of your video edit computer equipment right out of the box.

Unpacking

• Remove all components from the shipping container. Retain all boxes and packing materials in case you might need to reuse them later.

• Examine the components for shipping damage. Contact the freight carrier immediately if damage exists.

Check List

• Huge Media Vault – Single Controller External Disk Array.

• One SCSI Ultra160/LVD/SE dual mode terminator.

• SCSI Ultra160 compatible interface cable.

• AC power cord.

• Diagnostic cable.

• This Users Guide.

Editing System Requirements

• Ultra160 or compatible SCSI host adapters

• Windows 9x/NT/ME/2000,XP, Mac OS, IRIX, Linux

• Video Capture card

• Video Editing software

• Video player or other source of video input

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Hardware Installation and configuration

SCSI Host Adapter

Recommended SCSI Host Adapters

Apple G4 Apple G5 Intel & Compatibles

Dual Channel

Single Channel

ATTO UL3D-000

(33 Mhz)

ATTO UL3S-000

(33 Mhz)

ATTO UL3D-66

(66 Mhz)

ATTO UL3S-66

(66 Mhz)

ATTO UL3D-000

ATTO UL3D-66

Adaptec 39160

ATTO UL3S-000

ATTO UL3S-66

Adaptec 29160

The Huge Media Vault communicates with your computer using the industry standard SCSI Ultra160 interface. You must have a compatible SCSI Host Adapter installed in your computer to work with the

Huge Media Vault storage system. Some computers have a built-in native SCSI port, check your computer for availability.

To maximize the Huge Media Vault Ultra160 interface, the SCSI Host Adapter in your computer should also be rated for Ultra160. However, the slower Ultra2 and Ultra Wide SCSI rated host adapters will work but at a lower transfer rate.

Check to make sure the Host Adapter is physically installed correctly and the appropriate Host Adapter drivers are loaded and functioning properly before connecting the Huge Media Vault to your computer system.

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Component Locations

FAN

ID / Mode

Reset

Diag

SCSI IN

SCSI OUT

FAN

Power

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SCSI ID

The SCSI ID selection switches are located in the rear of the unit.

Not used

SCSI

ID

Mode

Select

15

Each SCSI device attached to a SCSI channel must have it’s own unique ID setting. Valid ID for Wide

SCSI are from 0 to 15. Most SCSI host adapters inside your computer typically occupies ID 7. If there are other SCSI devices on the SCSI channel, ensure that there are no SCSI ID conflicts.

If you are unsure which ID to use and the Huge Media Vault is the only device attached to this particular channel of the host adapter, ID 0 can be used.

The Huge Media Vault must be turned off and back on again to make a new SCSI ID setting take effect.

Mode Select – RAID Level

The Mode Select switch is located in the rear of the unit.

Not used

SCSI

ID

Mode

Select

Mode Select is a unique feature of Huge Systems and it is a convenient way to select the desired operating mode of the unit. No need of complicated software and serial port configuration procedures.

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IMPORTANT: Changing the Mode can cause any existing data to be over written. Make sure any data you want to keep is stored elsewhere before making any changes.

Remove or delete any known partitions before changing the mode, this will keep the OS from getting confuse due to left over file systems information left on the MediaVault.

Consult the RAID Compatibility table in the Application Notes section to ensure proper operation.

Mode

*Mode

Select

RAID

0

RAID

3@2k

RAID

3

Manu factur ing

Test

1

2

7

Data striped across all five drives of the data sum of all five drives.

2K bytes sector size

Striped data with redundancy.

Block size is based on 2048 bytes. Data striped across four drives plus one drive for redundant information. Usable storage is the sum of four drives.

512 bytes sector size

Striped data with redundancy.

Block size is based on standard 512 bytes. Data striped across four drives plus one drive for redundant information. Usable storage is the sum of four drives. Use this mode if you are not certain which of the two RAID 3 to use.

System verification test

This mode will over write data on the

Huge Media Vault as the diagnostic will perform read and write tests on every drive and on every block of data. The unit records vital parameters of each disk drive’s performance, and it can be retrieved using the Diagnostic Port for further analysis.

*Make sure to “Double Beep” to set the mode.

Maximum

Speed

Drive

Redundancy

Drive

Redundancy

No Drive

Redundancy

Medium

Speed

Minimum

Speed

Double Beep

As a precautionary measure to protect from un-intentional mode changes. A combination of holding down the Reset Button and turning the unit on must be performed to cause the change.

1) Determine the Mode desired and note the Mode Select value.

2) Set the value on the Mode Select switch. Use a pointed instrument and press the tiny button above or below the number window.

3) Turn off the Huge Media Vault unit.

4) Press and hold the Reset Button.

5) Apply power to the unit.

6) Within about 15 seconds you will hear two beeps to confirm the change.

7) Release the Reset Button

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Reset Button

The Reset Buttons are located below the SCSI ID and Mode Select switch quadrant.

SCSI ID / Mode Select

⊗ ⊗

Reset

The Reset Button is used in conjunction with the Mode Select option. See the Mode Select section.

SCSI connections

The Huge Media Vault have a pair of SCSI 68-pin high density connectors. They function as an IN and an

OUT connection with internal loop-through for the SCSI channel. This SCSI channel is compatible with

Ultra160 (LVD – Low Voltage Differential) at 160 MBytes/sec, Ultra2 (LVD) at 80MBytes/sec, and other

SCSI standards. HVD (High Voltage Differential) is not supported.

SCSI IN

SCSI OUT

Host connections

Use a Ultra160 rated SCSI cable to connect the SCSI channel to your host computer. Connect the SCSI IN of the Huge Media Vault to the SCSI channel in the computer.

Terminator

Use a Ultra160 rated SCSI terminator to terminate the SCSI connection. Connect the terminator to SCSI

OUT.

Host SCSI connections and terminations

Huge Media Vault

Editing Computer

SCSI IN

SCSI OUT SCSI

Install

Terminator

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Daisy chaining

If you have multiple SCSI devices to connect up, you can connect (daisy chain) other SCSI devices as shown. At the back of the Huge Media Vault you will have at the SCSI IN connector a SCSI cable connected to your host computer, and at the SCSI OUT connector a SCSI cable connected to your other

SCSI device.

Keep in mind that all connected SCSI devices must be rated at and configured to run at Ultra160 for maximum data transfer, mixing slower devices such as Ultra2, Ultra Wide, narrow SCSI, etc… will reduce the data transfer rate to the slowest device on the SCSI channel.

Please ensure that 1) the total SCSI cable length are kept as short as possible (Maximum 12 meters); 2) remember to use a terminator at the end device of each SCSI chain; 3) No duplicated or SCSI ID conflict on any particular SCSI channel.

Daisy Chain additional Meida Vaults

Editing Computer

SCSI

2nd Huge Media Vault - Max

SCSI

ID 11

SCSI IN

SCSI OUT

1st Huge Media Vault - Max

SCSI

ID 10

SCSI IN

SCSI OUT

Terminator or to other SCSI device

Input Power

AC Power

Check the proper voltage input setting for your local AC power source, switch is located at the rear of the

Media Vault. Set it to 115VAC or 230VAC. Attach the supplied AC power cord to the Huge Media Vault at the rear and to an AC power source.

Power Switch

The power switch for the Huge Media Vault is located at the lower front right of the unit. Turn on the

Huge Media Vault by pressing the front power switch. To turn off the unit, press the power switch again.

Turn on the Hug Media Vault first, then your computer, the unit is ready for operation within a few seconds.

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Indicators

Front LED Status Indicators

Huge Media Vault status indicators are located at the lower front of the unit.

☼ ☼ ☼ ☼ ☼

OK

On = RAID

U160

On=SCSI is OK. running at

U160 speed.

Off=Busy Off=SCSI less than

U160 speed.

Not used Not used Power

On=power applied. power.

OK is on, indicates that the RAID is functioning normally.

OK is blinking, indicates that the RAID is busy servicing commands.

OK is flashing a steady code. When there is no access to the Media Vault and OK is flashing a steady code, it indicates that particular drive is down.

U160 is on, indicates that the SCSI channel is operating at full Ultra160 speed.

U160 is off, indicates that the SCSI channel is operating at lower than optimal Ultra160 speed. This condition are normally associated with terminators, host adapter configurations, or additional attached

SCSI devices on this particular channel.

Power Up Light Show

A quick way to validate normal functional power up sequence of the Huge Media Vault is by a combination of beep and LED flashes. chirp

2) OK LEDs slow flash short

4) OK LEDs rapid flash

5) OK LEDs on solid

Immediately after application of power, a quick and short chirp (beep) should be heard. The OK indicators starts a flashing sequence as outlined above. The unit should be ready for operation within 20 seconds of power on.

If a beeping (Audible Alarm) code is heard, there is a problem. See the Audible Alarm section.

Diagnostic Port

A serial Diagnostic Port cable is supplied to enable future firmware download and any special diagnostic requirements. Under normal operating circumstance there is no need to hookup the serial port.

Should you have any need to journey into the Diagnostic Port, please call our Technical Support

Department and they will be happy to assist you.

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Audible Alarm

The Huge Media Vault will sound an alarm if there is a problem with the RAID operation. Corrective actions can be applied to rectify the problem.

6 Rapid Beeps During Boot Time

6 rapid beeps during boot time is normally associated with SCSI cabling, SCSI termination, or power up sequence related. Always turn on the MediaVault on first, then turn on the computer. You might need to physically remove and re-insert the SCSI connectors along the SCSI path, this includes the connectors at the SCSI controller, at the MediaVault and the terminators.

Check to ensure there are no other SCSI devices on the bus using the same SCSI ID address.

Try removing any other SCSI devices that shares the same SCSI bus as the Media Vault, leaving just the

Media Vault as the only SCSI device will help to identify if there is a conflict with other devices.

6 Rapid Beeps During Normal Operation

6 rapid beeps during normal operation indicates either there is a SCSI interface issue or a disk drive in the

MediaVault has timed out. Check to ensure all SCSI connections are securely in place, you might need to physically remove and re-insert the SCSI connectors along the SCSI path, this includes the connectors at the SCSI controller, at the MediaVault and the terminators.

Slow Beeps

One or more slower beep indicate a bad drive or an intermittent drive, the number of beeps indicates which drive is having problems. When operating in RAID 3@2K or RAID 3 mode the Huge Media Vault is still available for normal operation without performance degradation, but the beeps indicate that a drive is down and you are running without RAID 3 protection. Should another drive fail, your are in danger of loosing data.

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Formatting and Partitioning

Formatting and Partitioning of the Media Vault is required to prepare the unit for usage. After the unit is physically connected to your computer, use the following sections as a guide to locate and execute the appropriate utility to format and partition the Media Vault.

The Huge Media Vault is seen as two large SCSI disk drives by the SCSI host adapter in your computer.

Install the appropriate driver for your SCSI Host Adapter. No additional software or drivers are necessary to use the Huge Media Vault. Treat the Huge Media Vault as a pair of normal ordinary hard disk drives when partitioning and formatting.

Macintosh G4 / G5 in OS X

Use the following configuration to get maximum speed from a MediaVault DualMax with OS 10, ATTO

UL3D, for video capturing/playback and editing.

Check and ensure you are using the latest recommended configuration for your capture card and editing software, update any software or drivers as necessary.

Following the “Bart Process” described below will provided maximum data rate for your editing system.

1) Use ATTO ExpressStripe to initialize the MediaVault

(Fig. 1 through 6)

Start ExpressStripe > Delete > Initialize > Select the

HUGE drive > Next > Drive(s) Verified > Ok.

2) Use Apple's Disk Utility to stripe. (Fig. 7 through 9)

Start Disk Utility > Partition Tab >Partition Button >

Partition Button (again).

3) Remove ATTO’s ExpressPCI Configuration Tool.

If installed, run the un-install to remove it.

The un-install is normally at Macintosh

HD > Applications > ExpressPCI

Configuration Tool > Uninstaller Data >

Uninstall ExpressStripe.

HMV-600-M RAID 0 performance with Pinnacle’s

Cinewave benchmark on a G4.

Fig. 1 Apple’s OS X Desktop show. Launch the ATTO

ExpressStripe Software. The software is typically installed on your Macintosh HD > Applications folder.

ExpressStripe is an optional software application from

ATTO Technology, if you don’t have it, you can skip to

Fig. 7 but your performance may not be optimal.

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Page 16 of 26

Fig. 2 Select the Delete option from the menu.

Fig. 3 Select the Initialize option from the menu

Fig. 4 Highlight the Huge disk click

Next.

Huge Media Vault - Max User’s Guide 800001 rev K1

800001 rev K1 Huge Media Vault - Max User’s Guide

Fig. 5 Select the Drives verified bubble and click OK.

Fig. 6 After drive initialization, select Quit to exit out of the software.

Page 17 of 26

Fig. 7 Launch the Apple Disk

Utility software and select the

“Partition” tab. Highlight your Huge drive on the left. Give your volume a name, select the format as Mac OS Extended and

Uncheck the option to install Mac

OS 9 Disk Drivers. Click on the “Partition” button to proceed.Disk

Utility is located at Macintosh HD >

Applications > Utilities.

Fig. 8 You will be given a warning.

To proceed click the “Partition” button.

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Fig. 9 You should now see your named volume as show on the left hand side of the screen.

Congratulations! You have successfully prepared your disks utilizing the “Bart Process”.

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Windows NT Partition / Format

Windows NT provides a utility to partition and format disks. Locate and start the Disk Administration program by clicking:

Start > Program > Administrative Tools > Disk Administrator.

Each channel of the Media Vault should appear as a disk entry with “Free Space”.

Preparing a Media Vault Max (single channel)

Right click on the “Free Space”, left click on Create, confirm the size of the partition you desire, click OK.

Click Yes to confirm partition creation.

The changes must be committed before going further, right click on the “Unformatted” section of the disk and click on “Commit Changes Now”. Click Yes to save the changes. Click OK to confirm “Disks were updated successfully”.

After the partition is created, it must be formatted. Right click on the “Unknown” section of the disk and click Format. Change the File System to NTFS, change the Volume Label as desire, check the Quick

Format box, and leaving the other selections as they are. Click Start > OK to begin the formatting operation.

A progress meter will show the progress, at completion a confirmation dialog box will appear, click OK >

Close. Note the newly prepared disk will have a drive letter associated with it. Exit program if done.

Preparing a Media Vault DualMax (dual channel)

Select the disks you which to stripe together by Left click on the first disk with “Free Space”, then press

Control and left click on the second disk with “Free Space”. Right click on either one of the selected “Free

Space”, left click on Create Stripe Set, confirm the size of the partition you desire, click OK.

The changes must be committed before going further, right click on the “Unformatted” section of one of the disk and click on “Commit Changes Now”. Click Yes to save the changes. Click OK to confirm

“Disks were updated successfully”.

After the partition is created, it must be formatted. Right click on the “Unknown” section of one of the disk and click Format. Change the File System to NTFS, change the Volume Label as desire, check the Quick

Format box, and leaving the other selections as they are. Click Start > OK to begin the formatting operation.

A progress meter will show the progress, at completion a confirmation dialog box will appear, click OK >

Close. Note the newly prepared disks will have a drive letter associated with it. Exit program if done.

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Windows 2000 and XP Partition / Format

Windows 2000 and XP provides a utility to partition and format disks. Locate and start the Disk

Management program by clicking:

Start > Settings > Control Panel >

Administration Tools > Computer

Management > under the Computer

Management tree Storage > Disk

Management.

A Write Signature dialog will open if fresh disks are detected, click Next, and check the new disk(s) > Next >

Finish.

Each channel of the Media Vault should appear as a disk entry with

“unallocated”.

Preparing a Media Vault Max (single channel)

Right click on “Unallocated”, left click on Create Volume > Next > Simple volume > Next > confirm the desired disk is in the Selected dynamic disks box > Next > confirm the desired Drive Letter > Next > check the Perform a Quick Format box > Next > Finish.

Formatting starts and will take a minute or so. At the completion of format, note the newly prepared disks will have a drive letter associated with it. Exit program if done.

Preparing a Media Vault DualMax (dual channel)

Right click on “Unallocated”, left click on Create Volume > Next.

Select Striped volume > Next.

Highlight the available dynamic disk you which to add to the stripe click

Add > Next.

Confirm the desired Drive Letter >

Next.

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Check the Perform a Quick Format box > Next.

Formatting starts and will take a minute or so.

At the completion of format, note the newly prepared disks will have a drive letter associated with it.

Exit program if done.

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Application Notes

General

Video Resolution Data Rates

Video Resolution

Data Rate

Megabytes / Sec

DV/DV25 3.7

DV50 7.4

SD 8 bit

SD 10 bit

HD 1080i 8 bit

HD 1080i 10 bit

HD 720 8 bit

20

27

120

155

110

HD 720 10 bit 138

Hours per Terabyte Table

Video Resolution

Hour per

Terabyte

(1000Gigabyte)

DV/DV25 75.1

DV50 37.5

SD 8 bit

SD 10 bit

HD 1080i 8 bit

HD 1080i 10 bit

HD 720 8 bit

HD 720 10 bit

13.9

10.3

2.3

1.8

2.5

2.7

800001 rev K1 Huge Media Vault - Max User’s Guide Page 23 of 26

Macintosh

ATTO Firmware

The ATTO ExpressPCI Dual Channel Ultra3 is recommended. Firmware version 1.64 or later must be used to maximize the Ultra160 interface. This can be downloaded from www.attotech.com.

RAID Compatibility

Media Vault Mode Select

Apple Non-Striped Partition

(Standard)

Apple Striped Partition

(RAID 0)

RAID 0 (mode 0)

OS X ATTO ExpressStripe Okay Okay

Okay Okay OS X Apple Disk Utility

RAID 3/2k (mode 1)

OS X ATTO ExpressStripe

OS X Apple Disk Utility

RAID 3 (mode 2)

OS X ATTO ExpressStripe

OS X Apple Disk Utility

Not Compatible

Okay

Okay

Okay

Not Compatible

Okay

Okay

Okay

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Windows NT / 2000 / XP

RAID Compatibility

Media Vault Mode Select

RAID 0 (mode 0)

NT / Win2K / XP

Non-Striped Partition

(Standard)

Striped Partition

(RAID 0)

Okay Okay

RAID 3/2k (mode 1)

NT Okay Okay

Win2K / XP

RAID 3 (mode 2)

NT / Win2k / XP

Basic Disk only, no Dynamic Not Compatible

Okay Okay

MaximumGSList

NTFS – Enlarge Scatter Gather List value.

NTFS is used in Windows NT and Windows 2000 Operating Systems. Applying this NT registry change to the Scatter-Gather List when using the Adaptec controllers will enable maximum data throughput performance.

You may download the automated registry update from our web site, the file to download is maxsg.zip, in it there is a file called maxsg.reg. Extract and execute maxsg.reg will update the registry accordingly.

Or you may update the registry manually by following the steps below.

Run REGEDT32 to edit the system register.

Go to \HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\

If U160 Adaptec then continue to \adpu160m

If Ultra2 Adaptec then continue to \aic78u2

If non-Ultra2 Adaptec then continue to \aic78xx

Create a “Parameters” key (without quotations). Edit > New > Key and enter Parameters.

Go to \Parameters

Create a “Device” key (without quotations). Edit > New > Key and enter Devices.

In a multiple host adapters system. Use Device0, Device1, etc… to specify the specific adapter.

Go to \Device

Create a “MaximumSGList” value name (no quotations). Edit > DWORD value and enter

MaximumSGList. Enter FF for Value data, make sure Hexadecimal is set.

Exit Regedit and reboot.

<end of User’s Guide>

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