Addonics Technologies ST45HPMXA-B Manuale utente

Technical Support

If you need any assistance to get your unit functioning properly,

please have your product information ready and contact Addonics

Technical Support at:

Hours: 8:30 am - 6:00 pm PST

Phone: 408-453-6212

Email: http://www.addonics.com/support/query/

v8.1.11

T E C H N O L O G I E S

www.addonics.com

User Guide

Storage Tower

(ST45HPMXA-B)

www.addonics.com Technical Support (M-F 8:30am - 6:00pm PST) Phone: 408-453-6212 Email: www.addonics.com/support/query/

Installation

1. Open the outer cabinet by removing the two screws securing the

side panels, then pushing each side panel toward the rear of the

unit.

2. Mount up to two 5.25” devices or enclosures using the supplied

screws.

3. Connect each device or each connection on each enclosure to the

Port Multiplier.

4. Close the outer cabinet and secure it with the three cover screws.

5. If multiple drives in the cabinet are to be used independently,

connect the eSATA port on the back of the unit to an eSATA host

that supports Port Multipliers or connect USB 3.0 port. Do not

connect USB and eSATA concurrently.

6. If multiple drives are installed and a RAID configuration is desired,

proceed to the section titled Configuring the RAID Mode. If a

single RAID unit is created, port multiplier support is not required.

If multiple RAID units are defined, an eSATA host that supports

Port Multipliers will be required.

Cover Screw

eSATA port Dipswitch

Set Button

www.addonics.com Technical Support (M-F 8:30am - 6:00pm PST) Phone: 408-453-6212 Email: www.addonics.com/support/query/

Cable Connections

1. Attach the SATA hard drives (up to 5) to the SATA ports on the

Hardware Port Multiplier (HPM) using SATA cables. It is recommended

to connect drives to the SATA ports 0 to 4 successively.

2. To provide power to the HPM, connect a 4-pin floppy power cable from

the system power supply to the floppy power connector on the HPM.

3. Optional: Connect LEDs to the Activity & Error LED jumper block.

NOTE: P5 Activity LED shows Host activity. P5 Error LED shows a RAID error.

RAID

Setting

button

Dip Switch eSATA Host Port

Port 1

Port 2

Port 0

Port 3

Port 4Activity LEDError LED

www.addonics.com Technical Support (M-F 8:30am - 6:00pm PST) Phone: 408-453-6212 Email: www.addonics.com/support/query/

Resetting the RAID Mode

NOTE: This procedure destroys all RAID data. It should not harm individual drives or their

contents; however, creating or running backups of all data is strongly recommended before

proceeding.

1. Power down the unit and set the dip switch to the factory default setting

(all switches OFF).

2. While holding the SET button with a ballpoint pen, turn the unit on. A

long beep will sound from the Port Multiplier. The SET button may be

released once the long beep stops.

Setting or Modifying the RAID Mode

NOTE: Setting or modifying the RAID mode destroys all data.

1. Follow the procedure for resetting the RAID Mode.

2. Power down the unit and set the dip switch to the desired RAID Mode.

3. While holding the SET button with a ballpoint pen, turn the unit on. A

long beep will sound from the Port Multiplier. The SET button may be

released once the long beep stops.

If instead of a long beep the Port Multiplier sounds a series of short beeps,

an error has occurred during configuration of the array.

Windows users may install the JMicron HW RAID Manager application

located on the SATA Controller CD. In the CD, browse to Configuration

Utilities → JMB393. The JMicron HW RAID Manager can be used to

create, modify, and monitor the health status of the RAID drives, and

provide status alerts. When configuring the RAID mode using the RAID

Manager application, it is strongly recommended to leave the dip switch in

the factory default setting.

Using identical drives for all settings other than JBOD or LARGE is

strongly recommended. Creating a LARGE array using drives that have

different properties will use all space on all members, and performance

will match that of the member in use during any particular I/O operation.

Creating a RAID using drives that are not all the same size will result in all

members using only as much space as the smallest member. Creating a

RAID using drives that have different performance will degrade the overall

performance of the array.

BZS Switch (SW1:1):

The BZ switch is used to silence the audible alarm buzzer. The OFF

position permits the audible alarm, and the ON position silences the

audible alarm. The BZ switch has immediate effect.

www.addonics.com Technical Support (M-F 8:30am - 6:00pm PST) Phone: 408-453-6212 Email: www.addonics.com/support/query/

EZ Switch (SW1:2):

The EZ (spare) switch inhibits spares when ON. When in the OFF

position, all individual drives (not defined as members of an array) are

considered spare. Should a RAID become degraded, when the EZ

switch is in the OFF position a spare drive will be used automatically to

rebuild the RAID, if present. EZ mode is determined when the unit is

powered up. Changing the switch will have no effect until the unit has

been re-powered.

RAID Mode Switches M2, M1, M0 (SW1:3 – SW1-5)

The RAID Mode switches define what type of RAID will be initialized

when the unit is powered up while the RAID Mode button is held down.

Each type of RAID has different properties and requirements, as follows:

1 Audible alarm is recommended at all times.

2 EZ mode has no effect in JBOD mode.

3 Disabling EZ for RAID 0 and LARGE is strongly recommended.

JBOD Mode (Individual Drives)

Number of drives: at least 1

Unit capacity: N/A (100% of each individual drive)

Spares: no

Fault tolerance: none

JBOD mode offers all connected units to the host adapter, no RAID is

defined at all.

NOTE: JBOD mode requires a SATA controller featuring Port Multiplier support for eSATA

connections.

NOTE: Optical drives can only be configured as JBOD using an eSATA connection.

Raid Mode

BZS1

JBOD (Individual

drives)

* FACTORY DEFAULT

SETTING

OFF OFF2OFF OFF OFF

0 OFF ON

ON ON ON

1 or 10 OFF OFF ON ON OFF

3 OFF OFF

OFF

5 OFF OFF OFF

OFF

CLONE

OFF

LARGE OFF ON

ON OFF ON

RAID 0 (Stripe set)

Number of drives: at least 2

Unit capacity: size of each member times number of members.

Spares: no

Fault tolerance: none - if any member is lost all data is lost.

RAID 0 “stripes” the file system across the array by placing sectors of data

sequentially between drives in a specific order.

RAID 1 or 10 (Mirror set, Stripe of mirror sets)

Number of drives: 2 (RAID 1) or 4 (RAID 10).

Unit capacity: size of one member (RAID 1) or size of two members (RAID 10).

Spares: yes – if EZ mode is not disabled and 3 (RAID 1) or 5 (RAID 10) drives

are present, the array will be initialized with a spare.

Fault tolerance: RAID 1 can withstand the loss of one drive without losing data.

RAID 10 can withstand the loss of one drive from each mirror set without losing

data.

RAID 1 works by duplicating the exact same data on two drives.

RAID 10 works by using two RAID 1 sets configured as members of a RAID 0.

Disks 1 and 2 are mirrored, disks 3 and 4 are mirrored, and the two mirror sets

are striped together.

RAID 3 (Stripe set with dedicated parity)

Number of drives: at least 3

Unit capacity: size of one member times number of members minus one.

Spares: yes

Fault tolerance: can withstand the loss of one drive without losing data.

RAID 3 works by striping data for individual I/O blocks across all members

except one, which contains parity data for the stripe set computed by the Port

Multiplier.

RAID 5 (Stripe set with striped parity)

Number of drives: at least 3

Unit capacity: size of one member times number of members minus one.

Spares: yes

Fault tolerance: can withstand the loss of one drive without losing data.

RAID 5 works by striping entire I/O blocks across all members of the set, with

each member taking turns carrying parity data computed by the Port Multiplier.

www.addonics.com Technical Support (M-F 8:30am - 6:00pm PST) Phone: 408-453-6212 Email: www.addonics.com/support/query/

CLONE (Mirror set)

Number of drives: at least 2

Unit capacity: size of one member.

Spares: yes

Fault tolerance: can withstand the loss of any number of drives without

losing data as long as at least one complete member remains online.

CLONE mode works the same way as RAID 1, by maintaining a

complete copy of the entire set of data on each drive.

LARGE (Spanned set)

Number of drives: at least 2

Unit capacity: 100% of all drives together regardless of differences in size

Spares: no

Fault tolerance: cannot withstand the loss of any drives without losing

data. However, some data may be recovered as long as the drive(s)

carrying the file system data (boot record, directory, etc.) remain online.

LARGE mode is neither a RAID nor is it a JBOD. It works by declaring

the sum of all available space of the member drives as a single unit,

without striping the data. As each member is filled, new data is stored on

the next.

Notes about Spare Drives

If EZ mode is disabled (SW1:2 ON), all individual drives not configured

as array members will be offered to the host adapter as separate units.

To create an array with one or more spares, set or modify the RAID

mode using fewer than 5 members, while the spares are disconnected

from the Port Multiplier. When EZ mode is enabled, individual drives

connected when an array is present are considered spare.

Spare drives must be equal to or larger in size than the smallest

member.

When any type of array is defined, individual units will be considered

spare. RAID 0 and LARGE arrays are not fault-tolerant and spare drives

will not be useful; therefore, disabling EZ for these arrays is

recommended.

When a spare drive is present and a fault-tolerant RAID (1, 10, 3, or 5) is

defined, EZ mode will automatically rebuild any available spares into the

array.

www.addonics.com Technical Support (M-F 8:30am - 6:00pm PST) Phone: 408-453-6212 Email: www.addonics.com/support/query/

www.addonics.com

Phone: 408-573-8580

Fax: 408-573-8588

Email: http://www.addonics.com/sales/query/

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