RAID Group (Basic Information)

Overview
Display Contents

Overview

This function displays the basic information of RAID groups.

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. Refer to Usage of RAID Group for details.
RAID Level	The RAID level is displayed. Refer to RAID Level for details.
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. A "-" (hyphen) is displayed when "Usage" is "Temporary". "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. CE#n CM#n or CM#n
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.

Usage

The usage of the RAID group is displayed.

Refer to Usage of RAID Group for details.

RAID Level

The RAID level is displayed.

Refer to RAID Level for details.

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.

A "-" (hyphen) is displayed when "Usage" is "Temporary".

Controlling CM

The Controlling CM of the RAID group is displayed.

CE#n CM#n or CM#n

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#n

CE#n Slot#n

DE#n Slot#n

*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

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 the following RAID groups.

RAID groups that configure a Thin Provisioning Pool
RAID groups that are registered as Extreme Cache Pools
RAID group which "Usage" is "Temporary"

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 DE: Drive Enclosure CE CE#n DE#n
Slot No.	The number of the slot where the drive is installed is displayed.
Status	The drive status is displayed. Refer to Drive Status for details.
Type	Refer to Drive Type for details.
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".
Speed	The drive speed is displayed. For SSD, NVMe SSD, SSD SED, or NVMe SSD SED, a "-" (hyphen) is displayed. 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.