RAID Group (Basic Information)

Overview

This function displays the basic information of RAID groups.

User Privileges

Availability of Executions in the Default Role

Default role	Availability of executions
Monitor
Admin
StorageAdmin
AccountAdmin
SecurityAdmin
Maintainer

Refer to "User Roles and Policies" for details on the policies and roles.

Display Contents

In this screen, the basic information of RAID groups is displayed.

RAID Group List

Item	Description
No.	The RAID group number is displayed. The number is allocated in ascending order. Click this item to display the [RAID Group Detail] Screen ([Basic] Tab).
Name	The RAID group name is displayed. Click this item to display the [RAID Group Detail] Screen ([Basic] Tab).
Status	The RAID group status is displayed. Refer to "RAID Group Status" for details.
Usage	The usage of the RAID group is displayed. Standard A RAID group that is used for creating "Standard", "SDV", or "SDPV" type volumes Standard / WSV A RAID group that is used for creating the following volumes: "WSV" and "Standard" "WSV" and "SDV" "WSV" and "SDPV" WSV A RAID group that is used for creating "WSV" type volumes TPP A RAID group that belongs to a TPP FTRP A RAID group that belongs to an FTRP RDB A RAID group that is registered as an REC Disk Buffer Extreme Cache Pool A RAID group that is registered as an Extreme Cache Pool Temporary A RAID group that is temporarily created while LDE is being performed "-" (hyphen) A RAID group that is not used
RAID Level	The RAID level is displayed. High Performance (RAID1+0) High Capacity (RAID5) High Reliability (RAID6) High Reliability (RAID6-FR) Reliability (RAID5+0) Mirroring (RAID1) Striping (RAID0)
Total Capacity	The total capacity of the RAID groups is displayed. TB is displayed for 1 TB or more and GB is displayed for 1 GB or more. The total capacity is displayed up to the second decimal place.
Total Free Space	The total free space in the RAID groups is displayed. TB is displayed for 1 TB or more and GB is displayed for 1 GB or more. The total capacity is displayed up to the second decimal place. "Free space" means an area in the RAID group where no volume is created, and dispersed areas which became free by creating and deleting a volume.
Controlling CM	The Controlling CM of the RAID group is displayed. For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4 CE#x CM#y For the other models CM#y x: CE number y: CM number
Process	A process that is being performed for the RAID group is displayed. If no process is being performed, a "-" (hyphen) is displayed. Recovering Rebuild, copyback, redundant copy, or recovery of the RAID group is being performed. Expanding Expansion of the RAID group by LDE is being performed. Formatting Formatting is being performed.
Data Access Failed During Redundancy Loss	The state when access to the data in the RAID group has failed is displayed. If data access fails when the RAID group redundancy is lost, "Yes" is displayed. For states other than the above, a "-" (hyphen) is displayed.

[RAID Group Detail] Screen ([Basic] Tab)

A detailed information for the RAID group is displayed.

RAID Group Information

Item

Description

Status

The RAID group status is displayed.

Refer to "RAID Group Status" for details.

RAID Level

The RAID level is displayed.

High Performance (RAID1+0)

High Capacity (RAID5)

High Reliability (RAID6)

High Reliability (RAID6-FR)

Reliability (RAID5+0)

Mirroring (RAID1)

Striping (RAID0)

Fast Recovery Configuration

The drive configuration in the Fast Recovery RAID group is displayed.

This item is displayed only when the RAID level is "RAID6-FR".

(3D+2P)x2+1HS

(4D+2P)x2+1HS

(6D+2P)x2+1HS

(9D+2P)x2+1HS

(12D+2P)x2+1HS

(5D+2P)x4+1HS

(13D+2P)x2+1HS

(8D+2P)x3+1HS

(4D+2P)x5+1HS

(3D+2P)x6+1HS

D: Data drives

P: Parity drives

HS: Hot Spares

Total Capacity

The total capacity of the RAID groups is displayed.

In addition, the total capacity is displayed in units of MB enclosed with parentheses.

Total Free Space

The total free space in the RAID groups is displayed.

In addition, the total free space is displayed in units of MB enclosed with parentheses.

Controlling CM

The Controlling CM of the RAID group is displayed.

For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4

CE#x CM#y

For the other models

CM#y

x: CE number

y: CM number

Eco-mode Schedule

The Eco-mode schedule name that is assigned to the RAID group is displayed.

If the Eco-mode is controlled with FUJITSU ETERNUS SF Storage Management Software, "External" is displayed.

When no Eco-mode schedule has been assigned, the field is blank.

Eco-mode Action

The Eco-mode schedule action status is displayed.

When no Eco-mode schedule has been assigned, a "-" (hyphen) is displayed.

Drive power off

The power for the drive is turned off during Eco-mode operation.
Drive motor off

The drive motor is stopped during Eco-mode operation.
Drive always on

The Eco-mode is disabled and the drive is always on.

Motor Status

The drive motor status is displayed.

Active

The drive motors are activated.
In the Boot Process

The drive motors are starting up.
Idle

The drive motors are stopped.
In the Stop Process

The drive motors are being stopped.
Power Off

The drive power is being turned off.

Fast Recovery Drive

When the hot spare area in the Fast Recovery RAID group is used (*1), the location information for the data recovery source drive is displayed. If Fast Recovery (*2) is not used, the field is blank.

This item is displayed only when the RAID level is "RAID6-FR".

CE Slot#y

CE#x Slot#y

DE#zz Slot#y

x: CE number

y: Slot number

zz: DE number

*1	:	From the start of a high-speed rebuild until the completion of copyback from a hot spare to a replaced normal drive.
*2	:	High-speed rebuilding when one drive fails in the Fast Recovery RAID group.

Process

A process that is being performed for the RAID group is displayed.

If no process is being performed, a "-" (hyphen) is displayed.

Progress

The progress of a process that is being performed is displayed with a bar and a rate (0 to 100 %). To display the latest progress, refresh the screen. If no process is being performed, a "-" (hyphen) is displayed.

Estimated Time Left

The estimated remaining time before recovering is complete is displayed. To display the latest estimated remaining time, refresh the screen. This item is not displayed when the process is other than "Recovering".

Calculating

The storage system is calculating the estimated remaining time.
30 days or more

The estimated remaining time is 30 days or more.
x days y h z min.

The estimated remaining time is more than one minute and less than 30 days. When the estimated remaining time is less than one day, the "days" value is omitted. When the estimated remaining time is less than one hour, the "days" and "hours" values are omitted.
Less than 1 min.

The estimated remaining time is less than one minute.

x: 1 - 29

y: 0 - 23

z: 0 - 59

Caution

The estimated time that is left may increase or decrease depending on the I/O load when this parameter is used.

Remaining Size

The remaining size of the unrecovered RAID group is displayed. To display the latest size, refresh the screen. This item is not displayed when the process is other than "Recovering".

Caution

The remaining physical capacity in the drive that is being recovered is displayed. Note that the remaining size may be larger than the capacity that is currently being used by users.

Stripe Depth

The Stripe Depth (*1) of the RAID group is displayed.

A "-" (hyphen) is displayed when the RAID level is "RAID1".

64 KB

128 KB

256 KB

512 KB

1024 KB

*1

:

This is the number of logical blocks assigned to one drive per stripe when a volume is striped to configuring drives of a RAID group. Normally, it is 64KB.

Data Access Failed During Redundancy Loss

The state when access to the data in the RAID group has failed is displayed.

If data access fails when the RAID group redundancy is lost, "Yes" is displayed.

For states other than the above, a "-" (hyphen) is displayed.

[RAID Group Detail] Screen ([Volume Layout] Tab)

The detailed information of the volume layout is displayed. Note that the [Volume Layout] tab is not displayed for RAID groups that are registered as Extreme Cache Pools.

RAID Group Used Summary

Item	Description
Start LBA	The start Logical Block Address (LBA) (hexadecimal) of the volume is displayed.
Capacity	The volume capacity is displayed.
Volume No.	The volume number is displayed. Unused space is displayed as "Free".
Volume Name	The volume name is displayed.
Volume Status	The volume status is displayed. Refer to "Volume Status" for details.
Volume Type	The volume type is displayed. Standard WSV SDV SDPV

[RAID Group Detail] Screen ([Drives] Tab)

Detailed information of the drives that are used in the RAID group is displayed.

RAID Group Drives Information

Item

Description

Enclosure

The number of the enclosure where the drive is installed is displayed.

CE: Controller Enclosure (2.5" and 3.5")

DE: Drive Enclosure (2.5", 3.5", and 3.5" high density DEs)

CE

CE#x

DE#yy

x: CE number

y: DE number

Slot No.

The number of the slot where the drive is installed is displayed.

2.5" CE/DE: 0 - 23

3.5" CE/DE: 0 - 11

3.5" high density DE: 0 - 59

Status

The drive status is displayed.

Refer to "Drive Status" for details.

Type

The drive type displayed for this item is a combination of the following.

Drive size
- For 2.5-inch drives: 2.5"
- For 3.5-inch drives: 3.5"
Drive type
- For SAS disks: Online
- For Nearline SAS disks: Nearline
- For SSDs, the following items are displayed depending on the SSD type.
  - For SSD-Hs (12 Gbit/s): SSD-H (*1)
  - For SSD-Ms (12 Gbit/s): SSD-M (*1)
  - For SSD-Ls (12 Gbit/s): SSD-L (*1)

Note that "SED" is also displayed for self encrypting drives and "AF" is also displayed for Advanced Format compliant drives.

*1

:

The displayed item varies depending on the interface speed (bandwidth) or the capacity of the reserved space. Unless otherwise specified, "SSD-H", "SSD-M", and "SSD-L" are collectively referred to as "SSD". In addition, there may be cases when "SSD SED" is used as the collective term for self encrypting SSD-Hs, SSD-Ms, and SSD-Ls.

Capacity

The capacity of the drive is displayed.

Caution

The displayed drive capacity may differ from the product's actual capacity. For example, the drive capacity of a "1.92 TB SSD" is displayed as "2.00 TB" and the capacity of an "18 TB Nearline SAS disk" is displayed as "17.9 TB".

Speed

The drive speed is displayed.

For SSD or SSD SED, a "-" (hyphen) is displayed.

15000 rpm

10000 rpm

7200 rpm

Usage

The usage of the drive is displayed.

Data

A drive that is used for user data or an unused drive
Global Hot Spare

A drive that is registered as a Global Hot Spare
Dedicated Hot Spare

A drive that is registered as a Dedicated Hot Spare

Data Access Failed

The state when access to the data in the drive has failed is displayed.

If data access fails when the RAID group redundancy is lost, "Yes" is displayed.

For states other than the above, a "-" (hyphen) is displayed.

Filter Setting

Function Description

Filter setting is a function used to display a list of only the RAID groups meeting all the specified conditions.

No filtering is set by default. The following table shows conditions that can be specified.

Item	Description	Setting values
Name	Input the RAID group name that is to be displayed. RAID groups matching or partially matching the entered name are displayed. When not using the RAID group name for filtering, leave this item blank.	RAID group name Blank
Status	Select the status of the RAID group that is to be displayed. When not using the RAID group status for filtering, select "All".	All Refer to "RAID Group Status".
RAID Level	Select the RAID level of the RAID group that is to be displayed. When not using the RAID level for filtering, select "All".	All High Performance (RAID1+0) High Capacity (RAID5) High Reliability (RAID6) High Reliability (RAID6-FR) Reliability (RAID5+0) Mirroring (RAID1) Striping (RAID0)
Minimum Total Free Space	Input the minimum capacity of total free space for the RAID groups that are to be displayed and select the units of capacity. When the total free space of the RAID group is not used for filtering, leave this item blank or specify "0".	Total free space Unit: TB/GB/MB 0 MB
Process	Select the process that is being performed for the RAID group to be displayed. When not using the process that is being performed for filtering, select "All".	All Recovering Expanding Formatting "-" (hyphen)
Data Access Failed During Redundancy Loss	Select the status of "Data Access Failed During Redundancy Loss" for the RAID group that is to be displayed. When not using the status of "Data Access Failed During Redundancy Loss" for filtering, select "All".	All "-" (hyphen) Yes

Item

Description

Setting values

Name

Input the RAID group name that is to be displayed.

RAID groups matching or partially matching the entered name are displayed.

When not using the RAID group name for filtering, leave this item blank.

RAID group name

Blank

Status

Select the status of the RAID group that is to be displayed.

When not using the RAID group status for filtering, select "All".

All

Refer to "RAID Group Status".

RAID Level

Select the RAID level of the RAID group that is to be displayed.

When not using the RAID level for filtering, select "All".

All

High Performance (RAID1+0)

High Capacity (RAID5)

High Reliability (RAID6)

High Reliability (RAID6-FR)

Reliability (RAID5+0)

Mirroring (RAID1)

Striping (RAID0)

Minimum Total Free Space

Input the minimum capacity of total free space for the RAID groups that are to be displayed and select the units of capacity.

When the total free space of the RAID group is not used for filtering, leave this item blank or specify "0".

Total free space

Unit: TB/GB/MB

0 MB

Process

Select the process that is being performed for the RAID group to be displayed.

When not using the process that is being performed for filtering, select "All".

All

Recovering

Expanding

Formatting

"-" (hyphen)

Data Access Failed During Redundancy Loss

Select the status of "Data Access Failed During Redundancy Loss" for the RAID group that is to be displayed.

When not using the status of "Data Access Failed During Redundancy Loss" for filtering, select "All".

All

"-" (hyphen)

Yes