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Lacie Spare 12big Rack Network User Manual - Page 34

Drive Carrier Module Faults, 7. Dealing with Hardware Faults, 8. Continuous Operation During,

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LaCie 12big Rack Network User Manual Troubleshooting & Problem Solving page 34 4.6. Drive Carrier Module Faults Each Drive Carrier module incorporates two LEDs, Upper (Green) and Lower (Amber), shown in Fig. 10. ✦✦ In normal operation the Green LED will be ON and will flicker as the drive operates ✦✦ In normal operation the Amber LED state will be: -- - OFF if there is no drive present, -- - OFF as the drive operates, and -- - ON if there is a drive fault present. IMPORTANT INFO: Dummy Drive Carrier modules must be fitted to all unused drive bays to maintain a balanced air flow. 4.8. Continuous Operation During Replacement Depending on how the enclosure system is set up, if a disk unit fails, it can normally be replaced without interrupting the use of the system. If an enclosure contains two Power Supply Units, either of them can maintain power to the subsystem while the other is replaced. 4.7. Dealing with Hardware Faults Ensure that you have obtained a replacement module of the same type before removing any faulty module. CAUTION: If the LaCie 12big Rack Network subsystem is powered up and you remove any module, replace it immediately. If the subsystem is used with modules or module blanks missing for more than a few minutes, the enclosure can overheat, causing power failure and data loss. Such use will invalidate the warranty. ✦✦ Replace a faulty drive with a drive of the same type and equal or greater capacity. ✦✦ All drive bays must be fitted with a Drive Carrier module in order to maintain a balanced air flow. ✦✦ All the supplied plug-in power supply units, electronics modules and blank modules must be in place for the air to flow correctly around the cabinet. CAUTION: Observe all conventional ESD precautions when handling LaCie 12big Rack Network modules and components. Avoid contact with Backplane components and module connectors, etc. IMPORTANT INFO: The top cover of the enclosure covers a service area which should be accessed by service personnel only. When the cover is replaced it MUST be secured by turning the lock mechanism to the "locked" position.

Section	Page
1. System Overview	7
1.1. The LaCie 12big Rack Network System	7
1.2. The Enclosure Core Product	8
1.3. LaCie 12big Rack Network System Configurations	9
1.4. ATX Server Subsystem	10
1.4.1. ATX Server I/O Panel Connectors	11
1.4.2. ATX Server LEDs	11
1.4.2.1. Status LEDs	11
1.5. Operator’s (Ops) Panel	12
1.6. Enclosure Rear Panel	12
1.7. Power Supply Unit	13
1.7.1. Multiple Power Supply Units	13
1.7.2. Power Supply Output Loom	14
1.8. Cooling Fans	14
1.9. Drive Carrier Module	15
1.9.1. Drive Status Indicator	15
1.9.2. Anti-tamper Locks	15
1.9.3. Dummy Drive Carrier Modules	15
1.9.4. Blanking Plates	16
1.10. Enclosure Management	16
2. Installation	17
2.1. Introduction	17
2.2. Planning Your Installation	17
2.3. Enclosure Installation Pre-Requisites	18
2.3.1. Preparation of Site and Host Server	18
2.3.2. Unpacking the Enclosure System	18
2.3.3. Planning and Configuring Your Installation	18
2.3.4. Special Tools and Equipment	19
2.3.5. Rack Installation Pre-Requisites	19
2.4. Rack Mounting Rail Kit	19
2.4.1. Mounting Rail Kit Installation	19
2.5. Chassis Installation	20
2.5.1. Parts Check List	20
2.5.2. Procedure	20
2.6. Module Installation	20
2.6.1. Dummy Drive Carrier Modules	20
2.6.2. Blanking Plates	20
2.7. Power Cord Connection	20
2.7.1. Parts Check List	20
2.7.2. Procedure	20
2.8. Grounding Checks	21
2.9. Data Security	21
3. Operation	22
3.1. Before You Begin	22
3.2. Power On	22
3.2.1. Power Supply Unit LEDs	22
3.3. Ops Panel LEDs and Switches	23
3.4. Starting the Drives	24
3.4.1. Disk Drive LEDs	24
3.4.2. Engaging the Drive Module Anti-tamper Locks	24
3.4.2.1. Activating the Locks	24
3.5. Power Down	25
4. Troubleshooting & Problem Solving	26
4.1. Overview	26
4.1.1. Initial Start-up Problems	26
4.1.1.1. Faulty Cords	26
4.1.1.2. Alarm Sounds On Power Up	26
4.1.1.3. Computer Doesn’t Recognize the LaCie 12big Rack Network Subsystem	26
4.2. LED States	27
4.2.1. Power Supply Unit LEDs	27
4.2.2. Ops Panel LEDs	27
4.2.3. Cooling Fan LEDs	28
4.2.4. Drive Carrier Module LEDs	28
4.2.5. Rear Panel LED	28
4.2.6. ATX Server LEDs	29
4.2.6.1. Status LEDs	29
4.2.6.2. NIC LEDs	29
4.3. Audible Alarm	30
4.4. Alarm Interpretation	30
4.5. Troubleshooting	32
4.5.1. System Faults	32
4.5.2. Power Supply Unit Faults	32
4.5.3. Cooling Fan Faults	32
4.5.4. Thermal Monitoring and Control	33
4.5.5. Thermal Alarm	33
4.6. Drive Carrier Module Faults	34
4.7. Dealing with Hardware Faults	34
4.8. Continuous Operation During Replacement	34
5. Module Replacement	35
5.1. Overview	35
5.2. ESD Precautions	35
5.3. Replacing a Module	35
5.3.1. Power Supply Units	36
5.3.1.1. Removing a Power Supply Unit	36
5.3.1.2. Installing a Power Supply Unit	37
5.3.2. Cooling Fans	38
5.3.2.1. Removing a Cooling Fan	38
5.3.2.2. Installing a Cooling Fan	39
5.3.3. Drive Carrier Module	39
5.3.3.1. Removing a Drive Carrier	39
5.3.3.2. Installing a Drive Carrier	40
5.4. Replacing the SAS Expander PCB	41
5.5. Replacing ATX Motherboards	42
5.5.1. Replacing FB-DIMM Memory Modules	42
5.5.2. Replacing a CPU	42
5.6. Replacing PCI Cards	43
5.6.1. NVRAM Card	43
5.7. Blanking Plates	43
5.8. Replacing RAID Controller PCI Cards	43
5.9. Replacing the Battery Backup Unit	43
5.10. Replacing the Boot Drives	45
6. Technical Specifications	47
6.1. Dimensions	47
6.2. Weight	47
6.3. Environment	47
6.4. AC Power Module (2 x 850W PSU)	48
6.5. Cooling Fan	49
6.6. Drive Carrier Module Specification	49
6.7. Drives	49
6.7.1. Data Drives	49
6.7.2. Boot Drives	49
6.8. RAID Card Options	49
7. Standards & Regulations	50
7.1. International Standards	50
7.2. Potential for Radio Frequency Interference	50
7.3. European Regulations	50
7.4. ESD Precautions	50
7.5. Safety Compliance	50
7.6. EMC Compliance	51
7.7. AC Power Cords	51
7.8. Recycling of Waste Electrical and Electronic Equipment (WEEE)	51
8. Rack Kit Reference Drawing	52
8.1. Rail Kit Installation	52
9. Contacting Customer Support	54
9.1. LaCie Technical Support Contacts	54

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LaCie 12big Rack Network

Troubleshooting & Problem Solving

User Manual

page 34

4.6. Drive Carrier Module Faults

Each Drive Carrier module incorporates two LEDs, Upper (Green)

and Lower (Amber), shown in

Fig. 10

✦

In normal operation the Green LED will be ON and will ﬂicker

as the drive operates

✦

In normal operation the Amber LED state will be:

–

– OFF if there is no drive present,

–

– OFF as the drive operates, and

–

– ON if there is a drive fault present.

IMPORTANT INFO:

Dummy Drive Carrier modules must be ﬁtted

to all unused drive bays to maintain a balanced air ﬂow.

4.7. Dealing with Hardware Faults

Ensure that you have obtained a replacement module of the same

type before removing any faulty module.

CAUTION:

If the LaCie 12big Rack Network

subsystem is powered

up and you remove any module, replace it immediately. If the sub-

system is used with modules or module blanks missing for more than

a few minutes, the enclosure can overheat, causing power failure

and data loss. Such use will invalidate the warranty.

✦

Replace a faulty drive with a drive of the same type and equal

or greater capacity.

✦

All drive bays must be ﬁtted with a Drive Carrier module in

order to maintain a balanced air ﬂow.

✦

All the supplied plug-in power supply units, electronics mod-

ules and blank modules must be in place for the air to ﬂow

correctly around the cabinet.

CAUTION:

Observe all conventional ESD precautions when han-

dling LaCie 12big Rack Network

modules and components. Avoid

contact with Backplane components and module connectors, etc.

IMPORTANT INFO:

The top cover of the enclosure covers a ser-

vice area which should be accessed by service personnel only. When

the cover is replaced it MUST be secured by turning the lock mecha-

nism to the “locked” position.

4.8. Continuous Operation During

Replacement

Depending on how the enclosure system is set up, if a disk unit

fails, it can normally be replaced without interrupting the use of the

system.

If an enclosure contains two Power Supply Units, either of them can

maintain power to the subsystem while the other is replaced.