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Product Description 15

OceanStor 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3 Storage System V300R003

This document introduces the storage system from the aspects of the market position, features, architecture, technical specifications, production configuration, environment requirement, standard compliance, and granted certifications.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Component Description

Component Description

This section provides the detailed illustration and description for each component.

System Subrack

The system subrack houses a midplane that provides reliable connections for interface modules and distributes power and signals to inner modules.

Appearance
Figure 4-6 shows the appearance of a system subrack.
Figure 4-6  System subrack

Controller

A controller is the core component of a storage system. It processes storage services, receives configuration management commands, saves configuration data, connects to disk enclosures, and saves critical data onto coffer disks.

NOTE:

Each controller houses one or more disks as the data coffer disk that stores three types of data: cache data requiring power failure protection, OceanStor OS system data, and system configuration information and logs.

Appearance

Figure 4-7 shows the appearance of a controller.

Figure 4-7  Controller
Ports
Figure 4-8 describes the ports of a controller of 5500 V3 as an example.
Figure 4-8  Ports of a controller

1

Controller handle

2

SmartIO port

3

Interface module handle

4

Link/Speed indicator of the 16 Gbit/s Fibre Channel port

5

16 Gbit/s Fibre Channel port

6

Power indicator/Hot Swap button of the module

7

Serial port

8

Maintenance network port

9

Link/Active indicator of the management network port

10

Management network port

11

Speed indicator of the management network port

12

USB port

13

Power indicator of the controller

14

Alarm indicator of the controller

15

Mini SAS HD expansion port

16

Mini SAS HD expansion port indicator

17

Link/Active/Mode indicator of the SmartIO port

18

SmartIO port mode silkscreen

Indicators
Use 5500 V3 as an example. Table 4-2 describes the states and corresponding meanings of indicators on a controller after it is powered on.
Table 4-2  Checklist for indicators on a controller

No.

Indicator

Status and Description

4

Link/Speed indicator of the 16 Gbit/s Fibre Channel port

  • Steady blue: The data transfer rate between the storage system and the application server is 16 Gbit/s.
  • Blinking blue: Data is being transferred.
  • Steady green: The data transfer rate between the storage system and the application server is 4 Gbit/s or 8 Gbit/s.
  • Blinking green: Data is being transferred.
  • Steady red: The port is faulty.
  • Off: The link to the port is down.

6

Power indicator/Hot Swap button of the module

  • Steady green: The interface module is working correctly.
  • Blinking green: There is a hot swap request to the module.
  • Steady red: The module is faulty.
  • Off: The interface module is powered off or can be hot-swappable.

9

Link/Active indicator of the management network port

  • Steady green: The port is connected properly.
  • Blinking green: Data is being transferred.
  • Off: The port is connected abnormally.

11

Speed indicator of the management network port

  • Steady orange: Data is being transferred at the highest rate.
  • Off: The data transfer speed is lower than the highest speed.

13

Power indicator of the controller

  • Steady green: The controller is powered on.
  • Power indicator blinking green and Alarm indicator blinking red: The controller is being located.
  • Blinking green (0.5 Hz): The controller enclosure is powered on and in the BIOS boot process.
  • Blinking green (2 Hz): The controller is in the operating system boot process, or the controller is in the power-off process.
  • Off: The controller is absent or powered off.

14

Alarm indicator of the controller

  • Steady red: An alarm is generated on the controller.
  • The Alarm indicator blinking red and the Power indicator blinking green: The controller is being located.
  • Off: The controller is working correctly.

16

Mini SAS HD expansion port indicator

  • Steady blue: The data transfer rate between the controller enclosure and the disk enclosure is 4 x 12 Gbit/s.
  • Steady green: The data transfer rate between the controller enclosure and the disk enclosure is 4 x 3 Gbit/s or 4 x 6 Gbit/s.
  • Steady red: The port is faulty.
  • Off: The link is down.

17

Link/Active/Mode indicator of the SmartIO port

  • Blinking blue slowly (1 Hz): The interface module is working in FC mode, and the port link is down.
  • Blinking blue quickly (2 Hz): The interface module is working in FC mode, and data is being transmitted.
  • Steady blue: The interface module is working in FC mode, the port link is up, and no data is being transmitted.
  • Blinking green slowly (1 Hz): The interface module is working in ETH mode, and the port link is down.
  • Blinking green quickly (2 Hz): The interface module is working in ETH mode, and data is being transmitted.
  • Steady green: The interface module is working in ETH mode, the port link is up, and no data is being transmitted.
  • Steady red: The port is faulty.
  • Off: The port is not powered on.

16 Gbit/s Fibre Channel Interface Module

Function

A 16 Gbit/s Fibre Channel interface module provides two 16 Gbit/s Fibre Channel ports. If the port speed is auto-negotiable, the port will auto-negotiate 4 Gbit/s, 8 Gbit/s, or 16 Gbit/s. If the port speed is manually set but inconsistent with the data transfer speed of the connected application server, the connection will be interrupted.

Ports

Figure 4-9 shows the appearance of a 16 Gbit/s Fibre Channel interface module.

Figure 4-9  16 Gbit/s Fibre Channel interface module

1

Power indicator/Hot Swap button on the module

2

16 Gbit/s Fibre Channel port

3

Link/Speed indicator of a 16 Gbit/s Fibre Channel port

4

Interface module handle

Indicators
Table 4-3 describes indicators on a 16 Gbit/s Fibre Channel interface module of a storage system that is powered on.
Table 4-3  Indicators on a 16 Gbit/s Fibre Channel interface module

No.

Indicator Status and Description

1

Power indicator/Hot Swap button on the interface module

  • Steady green: The interface module is working correctly.
  • Blinking green: There is a hot swap request to the module.
  • Steady red: The module is faulty.
  • Off: The interface module is powered off or hot swappable.

3

Link/Speed indicator of the 16 Gbit/s Fibre Channel port

  • Steady blue: The data transfer rate between the storage system and the application server is 16 Gbit/s.
  • Blinking blue: Data is being transferred.
  • Steady green: The data transfer rate between the storage system and the application server is 4 Gbit/s or 8 Gbit/s.
  • Blinking green: Data is being transferred.
  • Steady red: The port is faulty.
  • Off: The link to the port is down.

8 Gbit/s Fibre Channel Interface Module (Four Ports)

Interface modules connect storage devices to application servers.

Function

An 8 Gbit/s Fibre Channel interface module (four ports) provides four 8 Gbit/s Fibre Channel ports. If the port speed is auto-negotiable, the port will auto-negotiate 2 Gbit/s, 4 Gbit/s, or 8 Gbit/s. If the port speed is manually set but inconsistent with the data transfer speed of the connected application server, the connection will be interrupted.

Ports

Figure 4-10 shows the appearance of an 8 Gbit/s Fibre Channel interface module (four ports).

Figure 4-10  8 Gbit/s Fibre Channel interface module (four ports)

1

Power indicator/Hot Swap button on the module

2

8 Gbit/s Fibre Channel port

3

Link/Speed indicator of an 8 Gbit/s Fibre Channel port

4

Module handle

Indicators
Table 4-4 describes the indicators on an 8 Gbit/s Fibre Channel interface module (four ports) of a storage system that is powered on.
Table 4-4  Indicators on an 8 Gbit/s Fibre Channel interface module (four ports)

No.

Indicators Status and Description

1

Power indicator/Hot Swap button on the module

  • Steady green: The interface module is working correctly.
  • Blinking green: The interface module receives a hot swap request.
  • Steady red: The interface module is faulty.
  • Off: The interface module is powered off or hot swappable.

3

Link/Speed indicator of an 8 Gbit/s Fibre Channel port

  • Steady blue: The data transfer rate between the storage system and the application server is 8 Gbit/s.
  • Blinking blue: Data is being transferred.
  • Steady green: The data transfer rate between the storage system and the application server is 2 Gbit/s or 4 Gbit/s.
  • Blinking green: Data is being transferred.
  • Steady red: The port is faulty.
  • Off: The link to the port is down.

10 Gbit/s FCoE Interface Module (Two Ports)

Function

A 10 Gbit/s FCoE interface module provides two 10 Gbit/s FCoE ports.

Ports

Figure 4-11 shows the appearance of a 10 Gbit/s FCoE interface module.

NOTE:
  • A 10 Gbit/s two-port FCoE interface module only supports direct connection networking.
  • You are not advised to run iSCSI and FCoE protocols simultaneously for a 10 Gbit/s two-port FCoE interface module.
Figure 4-11  10 Gbit/s FCoE interface module

1

Power indicator/Hot Swap button on the module

2

10 Gbit/s FCoE port

3

Link/Speed indicator of a 10 Gbit/s FCoE port

4

Module handle

Indicators
Table 4-5 describes the indicators on a 10 Gbit/s FCoE interface module of a storage system that is powered on.
Table 4-5  Indicators on a 10 Gbit/s FCoE interface module

No.

Indicators Status and Description

1

Power indicator/Hot Swap button on the module

  • Steady green: The interface module is working correctly.
  • Blinking green: The interface module receives a hot swap request.
  • Steady red: The interface module is faulty.
  • Off: The interface module is powered off or hot swappable.

3

Link/Speed indicator of a 10 Gbit/s FCoE port

  • Steady blue: The data transfer rate between the storage system and the application server is 10 Gbit/s.
  • Blinking blue: Data is being transferred.
  • Steady red: The port is faulty.
  • Off: The link to the port is down.

10GE Electrical Interface Module

Interface modules connect storage devices to application servers and contain service ports to receive data read/write requests from application servers.

Function

A 10GE electrical interface module has four 10 Gbit/s electrical ports.

Ports

Figure 4-12 shows the appearance of a 10GE electrical interface module.

Figure 4-12  10GE electrical interface module

1

Power indicator/Hot Swap button on the interface module

2

10GE electrical port

3

Link/Active indicator of the 10GE electrical port

4

Speed indicator of the 10GE electrical port

5

Interface module handle

   
NOTE:
  • (Applicable to V300R003C00/V300R003C10) Adaptive connections cannot be implemented between 10GE electrical ports and GE electrical ports of the storage system.
  • (Applicable to V300R003C20) 10GE electrical interface modules of the storage system support GE/10GE auto-sensing.
Indicators
Table 4-6 describes indicators on a 10GE electrical interface module of a powered-on storage system.
Table 4-6  Indicators on a 10GE electrical interface module

No.

Indicator Status and Description

1

Power indicator/Hot Swap button on the interface module

  • Steady green: The interface module is working correctly.
  • Blinking green: There is a hot swap request to the module.
  • Steady red: The module is faulty.
  • Off: The module is powered off or hot swappable.

3

Link/Active indicator of the 10GE electrical port

  • Steady green: The link to the application server is normal.
  • Blinking green: Data is being transferred.
  • Off: The link to the application server is down or no link exists.

4

Speed indicator of the 10GE electrical port

  • Steady orange: The data transfer rate between the storage system and the application server is 10 Gbit/s.
  • Off: The data transfer rate between the storage system and the application server is less than 10 Gbit/s.

GE Electrical Interface Module

Interface modules connect storage devices to application servers and contain service ports to receive data read/write requests from application servers.

Function

A GE electrical interface module has four 1 Gbit/s electrical ports.

Ports

Figure 4-13 shows the appearance of a GE electrical interface module.

Figure 4-13  GE electrical interface module

1

Power indicator/Hot Swap button on the interface module

2

GE electrical port

3

Link/Active indicator of the GE electrical port

4

Speed indicator of the GE electrical port

5

Interface module handle

   
Indicators
Table 4-7 describes indicators on a GE electrical interface module of a powered-on storage system.
Table 4-7  Indicators on a GE electrical interface module

No.

Indicator Status and Description

1

Power indicator/Hot Swap button on the interface module

  • Steady green: The interface module is working correctly.
  • Blinking green: There is a hot swap request to the module.
  • Steady red: The module is faulty.
  • Off: The interface module is powered off or hot swappable.

3

Link/Active indicator of the GE electrical port

  • Steady green: The link to the application server is normal.
  • Blinking green: Data is being transferred.
  • Off: The link to the application server is down or no link exists.

4

Speed indicator of the GE electrical port

  • Steady orange: The data transfer rate between the storage system and the application server is 1 Gbit/s.
  • Off: The data transfer rate between the storage system and the application server is less than 1 Gbit/s.

10 Gbit/s TOE Interface Module

Function

A 10 Gbit/s TOE interface module provides four 10 Gbit/s TOE ports.

Ports

Figure 4-14 shows the appearance of a 10 Gbit/s TOE interface module.

Figure 4-14  10 Gbit/s TOE interface module

1

Power indicator/Hot Swap button on the module

2

10 Gbit/s TOE port

3

Link/Speed indicator of a 10 Gbit/s TOE port

4

Module handle

Indicators
Table 4-8 describes the indicators on a 10 Gbit/s TOE interface module of a storage system that is powered on.
Table 4-8  Indicators on a 10 Gbit/s TOE interface module

No.

Indicators Status and Description

1

Power indicator/Hot Swap button on the module

  • Steady green: The interface module is working correctly.
  • Blinking green: The interface module receives a hot swap request.
  • Steady red: The interface module is faulty.
  • Off: The interface module is powered off or hot swappable.

3

Link/Speed indicator of a 10 Gbit/s TOE port

  • Steady blue: The data transfer rate between the storage system and the application server is 10 Gbit/s.
  • Blinking blue: Data is being transferred.
  • Steady red: The port is faulty.
  • Off: The link to the port is down.

10 Gbit/s FCoE Interface Module (Four Ports)

Function

A 10 Gbit/s FCoE interface module provides four 10 Gbit/s FCoE ports.

Ports

Figure 4-15 shows the appearance of a 10 Gbit/s FCoE interface module.

NOTE:
  • A 10 Gbit/s four-port FCoE interface module only supports networking through FCoE switches.
  • You are not advised to run iSCSI and FCoE protocols simultaneously for a 10 Gbit/s four-port FCoE interface module.
Figure 4-15  10 Gbit/s FCoE interface module

1

Power indicator/Hot Swap button on the module

2

10 Gbit/s FCoE port

3

Link/Speed indicator of a 10 Gbit/s FCoE port

4

Module handle

Indicators
Table 4-9 describes the indicators on a 10 Gbit/s FCoE interface module of a storage system that is powered on.
Table 4-9  Indicators on a 10 Gbit/s FCoE interface module

No.

Indicators Status and Description

1

Power indicator/Hot Swap button on the module

  • Steady green: The interface module is working correctly.
  • Blinking green: The interface module receives a hot swap request.
  • Steady red: The interface module is faulty.
  • Off: The interface module is powered off or hot swappable.

3

Link/Speed indicator of a 10 Gbit/s FCoE port

  • Steady blue: The data transfer rate between the storage system and the application server is 10 Gbit/s.
  • Blinking blue: Data is being transferred.
  • Steady red: The port is faulty.
  • Off: The link to the port is down.

56 Gbit/s IB Interface Module

Interface modules connect storage devices to application servers.

Function

A 56 Gbit/s IB interface module provides two 4 x 14 Gbit/s IB ports.

Interface

Figure 4-16 shows the appearance of a 56 Gbit/s IB interface module.

Figure 4-16  56 Gbit/s IB interface module

1

Power indicator/Hot Swap button

2

56 Gbit/s IB port Link indicator

3

56 Gbit/s IB port Active indicator

4

56 Gbit/s IB port

5

Module handle

   
Indicators
Table 4-10 describes the states of indicators and their meanings on a 56 Gbit/s IB interface module after the storage device is powered on.
Table 4-10  Indicator status description for a 56 Gbit/s IB interface module

No.

Indicator Status Description

1

Power indicator/Hot Swap button

  • Steady green: The interface module is working correctly.
  • Blinking green: There is a hot swap request to the module.
  • Steady red: The module is faulty.
  • Off: The interface module is powered off or hot swappable.

2

56 Gbit/s IB port Link indicator

  • Steady green: The port is connected properly.
  • Off: The port link is down.

3

56 Gbit/s IB port Active indicator

  • Steady orange: Data is being transmitted.
  • Off: No data is being transmitted.

SmartIO Interface Module

Function

A SmartIO interface module provides 8 Gbit/s, 10 Gbit/s, and 16 Gbit/s optical transceiver.

Interface

Figure 4-17 shows the components of a SmartIO interface module.

Figure 4-17  SmartIO interface module

1

Power indicator/Hot Swap button

2

SmartIO port

3

Port Link/Active/Mode indicator

4

Port mode silkscreen

5

Module handle

   
Indicators
Table 4-11 describes the states of indicators and their meanings on a SmartIO interface module after the storage device is powered on.
Table 4-11  Indicator status description for a SmartIO interface module

No.

Indicator Status Description

1

Power indicator/Hot Swap button

  • Steady green: The interface module is running properly.
  • Blinking green: The interface module receives a hot swap request.
  • Steady red: The interface module is faulty.
  • Off: The interface module is not powered on or can be hot-swappable.

3

Port Link/Active/Mode indicator

  • Blinking blue slowly (1 Hz): The interface module is working in FC mode, and the port link is down.
  • Blinking blue quickly (2 Hz): The interface module is working in FC mode, and data is being transmitted.
  • Steady blue: The interface module is working in FC mode, the port link is up, and no data is being transmitted.
  • Blinking green slowly (1 Hz): The interface module is working in ETH mode, and the port link is down.
  • Blinking green quickly (2 Hz): The interface module is working in ETH mode, and data is being transmitted.
  • Steady green: The interface module is working in ETH mode, the port link is up, and no data is being transmitted.
  • Steady red: The port is faulty.
  • Off: The port is not powered on.
NOTE:

The SmartIO interface module supports multiple working modes which need to be adjusted based on the used optical module. For details, see section "Checking and Setting the Working Mode of the SmartIO Interface Module" in Hardware Installation Guide.

Smart ACC Module

Smart ACC modules are mainly used to improve system performance.

Function

Smart ACC modules can concurrently provide functions such as fixed-length deduplication, fingerprint computing, and hardware acceleration for GZIP compression and decompression, reducing CPU load and promoting deduplication and compression performance.

Interface

Figure 4-18 shows the components of a Smart ACC module.

Figure 4-18  Smart ACC module

1

Module Power/Hot Swap indicator

2

Active indicator

3

Module handle/silkscreen

   
Indicators
Table 4-12 describes the states of indicators and their meanings on a Smart ACC module after the storage device is powered on.
Table 4-12  Smart ACC module indicators

No.

Indicators Status Description

1

Module Power/Hot Swap button

  • Steady green: The interface module is running properly.
  • Blinking green: The interface module receives a hot swap request.
  • Steady red: The interface module is faulty.
  • Off: The interface module is not powered on or can be hot-swappable.

2

Port Active indicator

  • Blinking green: Data is being processed.
  • Off: No data is being processed.

8 Gbit/s Fibre Channel Interface Module (Eight Ports)

Function

An 8 Gbit/s Fiber Channel interface module (eight ports) provides two ports and can be converted to eight 8 Gbit/s Fibre Channel ports through dedicated fiber cables. If the port speed is auto-negotiable, the port will auto-negotiate 2 Gbit/s, 4 Gbit/s, or 8 Gbit/s. If the port speed is manually set but inconsistent with the data transfer speed of the connected application server, the connection will be interrupted.

Interface

Figure 4-19 shows the appearance of an 8 Gbit/s Fibre Channel interface module (eight ports).

Figure 4-19  8 Gbit/s Fibre Channel interface module (eight ports)

1

Power indicator/Hot Swap button

2

8 Gbit/s Fibre Channel ports

3

Port Link/Speed indicator

4

Module handle

Indicators
Table 4-13 describes the states of indicators and their meanings on an 8 Gbit/s Fibre Channel interface module (eight ports) after the storage device is powered on.
Table 4-13  Indicator status description for an 8 Gbit/s Fibre Channel interface module (eight ports)

No.

Indicator Status Description

1

Module Power/Hot Swap indicator

  • Steady green: The interface module is running properly.
  • Blinking green: The interface module receives a hot swap request.
  • Steady red: The interface module is faulty.
  • Off: The interface module is not powered on or can be hot-swappable.

3

Link/Speed indicator of the 8 Gbit/s Fibre Channel host port

  • Steady blue: Data is being transmitted between the storage system and the application server at a rate of 8 Gbit/s.
  • Blinking blue: Data is being transferred.
  • Steady green: Data is being transmitted between the storage system and the application server at a rate of 4 Gbit/s or 2 Gbit/s.
  • Blinking green: Data is being transmitted.
  • Steady red: The port is faulty.
  • Off: The port link is down.

12 Gbit/s SAS Expansion Module

An expansion module provides expansion ports that are used for communication between a controller enclosure and a disk enclosure. The module transfers data between a controller enclosure and a disk enclosure.

Function

A SAS interface module provides four 4 x 12 Gbit/s mini SAS HD expansion ports that provide connectivity to disk enclosures. The SAS interface module connects to the back-end storage array of the storage system through a mini SAS HD cable. When the transfer rate of the connected device is less than that of the expansion port, the expansion port automatically adjusts the transfer rate to that of the connected device to ensure the connectivity of the data transfer channel.

Ports

Figure 4-20 shows the appearance of a 12 Gbit/s SAS expansion module.

Figure 4-20  12 Gbit/s SAS expansion module

1

Power indicator/Hot Swap button

2

Mini SAS HD expansion port

3

Indicator of the mini SAS HD expansion port

4

Module handle

Indicators
Table 4-14 describes indicators on a 12 Gbit/s SAS expansion module of a powered-on storage system.
Table 4-14  Indicators on a 12 Gbit/s SAS expansion module

No.

Indicator Status and Description

1

Power indicator/Hot Swap button

  • Steady green: The interface module is working correctly.
  • Blinking green: There is a hot swap request to the module.
  • Steady red: The module is faulty.
  • Off: The interface module is powered off or hot swappable.

3

Indicator of the mini SAS HD expansion port

  • Steady blue: Data is transferred to the downstream disk enclosure at the rate of 4 x 12 Gbit/s.
  • Steady green: Data is transferred to the downstream disk enclosure at the rate of 4 x 3 Gbit/s or 4 x 6 Gbit/s.
  • Steady red: The port is faulty.
  • Off: The link to the port is down.

Power-BBU Module

A power-BBU module consists of a power module and a BBU. Both AC and DC power modules are supported and they allow the controller enclosure to work correctly in maximum power consumption mode. BBUs provide enough power to ensure that any data in flight is de-staged to the vault area in the event of a power failure. If a BBU is faulty, it can be isolated without affecting the normal running of the storage system. If a power failure occurs, BBUs ensure that the storage system writes cached data to the built-in disks of the controllers, preventing data loss. After the external power supply resumes, the driver reads data from the built-in disks of the controllers to the cache. In a system using the lithium batteries, the battery capacity is updated and detected by charging and discharging the batteries. In this way, the problems can be detected in advance that the battery capacity attenuates, the batteries fail to meet the power backup requirements of the system, and thus the data backup fails when the batteries are not used for a long time. Then, the reliability of data protection upon the system power failure can be improved.

Appearance
Figure 4-21, Figure 4-22, and Figure 4-23 show the front view of an AC power-BBU module, the front view of a DC power-BBU module, and the rear view of a power-BBU module respectively.
Figure 4-21  Front view of an AC power-BBU module

1

Fan built in the power-BBU module

2

Power-BBU module handle

3

Power-BBU module latch

4

Power module socket

5

Running/Alarm indicator of the power module

6

Running/Alarm indicator of the BBU

Figure 4-22  Front view of a DC power-BBU module

1

Fan built in the power-BBU module

2

Power-BBU module handle

3

Power-BBU module latch

4

Positive and negative terminals of the power module

5

Running/Alarm indicator of the power module

6

Running/Alarm indicator of the BBU

Figure 4-23  Rear view of a power-BBU module

1

Power module

2

BBU

Indicators
Table 4-15 describes indicators on a power-BBU module of a powered-on storage system.
Table 4-15  Indicators on a power-BBU module

No.

Indicator Status and Description

5

Running/Alarm indicator of the power module

  • Steady green: The power supply is normal.
  • Blinking green: The power input is normal but the disk enclosure is powered off.
  • Steady red: The power supply is faulty.
  • Off: No external power input is found.

6

Running/Alarm indicator of the BBU

  • Steady green: The BBU is fully charged.
  • Blinking green (1 Hz): The BBU is being charged.
  • Blinking green (4 Hz): The BBU is being discharged.
  • Steady red: The BBU is faulty.

Disk Module

Disk modules provide storage capacity for a storage system. Service data, system data, and cache data are all saved on disk modules. The first four disk modules of a controller enclosure are coffer disks. For the four disk modules, each spares 5 GB of space to form RAID 1 to store a storage system's configuration data and improve reliability.

Appearance
Figure 4-24 shows the appearance of a 2.5-inch disk module. Figure 4-25 shows the appearance of a 3.5-inch disk module.
Figure 4-24  2.5-inch disk module
Figure 4-25  3.5-inch disk module

1

Running indicator of the disk module

2

Alarm/Location indicator of the disk module

3

Disk module latch

4

Disk module handle

5

Disk module label

6

Disk

7

Disk tray

   
Indicators
Table 4-16 describes indicators on a disk module of a powered-on storage system.
Table 4-16  Indicators on a disk module

No.

Indicator

Status and Description

1

Running indicator of the disk module

  • Steady green: The disk module is working correctly.
  • Blinking green: Data is being read and written on the disk module.
  • Off: The disk module is powered off or powered on incorrectly.

2

Alarm/Location indicator of the disk module

  • Steady red: The disk module is faulty.
  • Blinking red: The disk module is being located.
  • Off: The disk module is working correctly or hot swappable.
Translation
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Updated: 2019-02-01

Document ID: EDOC1000084184

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