Reservation
Overview
This function displays the reservation status of the volumes that are specified by a host.
The reservation status for volumes where the usage is "Block", "Block/Dedupe&Comp", "Block/Dedupe", "Block/Comp", "Migration", "Veeam", "Dedupe&Comp/Veeam", "Dedupe/Veeam", or "Comp/Veeam" is displayed. Refer to the [Volume (Basic Information)] function for details.
In this manual, "volumes" include "External Volumes" if differentiation is not specifically required.
User Privileges
Availability of Executions in the Default Role
Default role | Availability of executions |
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Monitor | |
Admin | |
StorageAdmin | |
AccountAdmin | |
SecurityAdmin | |
Maintainer |
Refer to "User Roles and Policies" for details on the policies and roles.
Display Contents
![](../images/VolumeReservation.png)
Volume List
Item | Description | |||
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No. |
The volume number is displayed. Click this item to display the [Volume Detail] Screen ([Basic] Tab). |
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Name |
The volume name is displayed. Click this item to display the [Volume Detail] Screen ([Basic] Tab). |
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LUN Group |
When the host affinity setting is specified for a host that reserves the volume, the LUN group name is displayed. If the host, ports, and LUNs are directly allocated (mapped), the location information of the ports is displayed. When the volume is not reserved, a "-" (hyphen) is displayed. LUN group name For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4 CE#x CM#y CA#z Port#w For the other models CM#y CA#z Port#w x: CE number y: CM number z: CA number w: Port number |
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Host LUN |
The host LUN, which is allocated to the volume, is displayed. When the volume is not reserved, a "-" (hyphen) is displayed. |
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Registrant Count |
The number of reservation keys registered in the volume is displayed. |
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Reservation Type |
When the volume is in persistent reservation status, one of the following persistent reservation types is displayed. When the volume is in reservation status other than persistent reservation status, or when the volume is not reserved, a "-" (hyphen) is displayed.
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Reservation Status |
The volume reservation status is displayed.
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APTPL (*1) |
Whether or not persistent reservation information is kept after the storage system has been shutdown/rebooted is displayed. When the volume is in reservation status other than persistent reservation status, "No" is displayed. When the volume is not reserved, a "-" (hyphen) is displayed.
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[Volume Detail] Screen ([Basic] Tab)
Click the [Reservation] tab to display the detailed information.
[Reservation] Screen
When reservation keys are registered in volumes, up to 64 host information is displayed. When no reservation keys are registered in volumes, information for the host that reserves the volumes is displayed.
The volume number, volume name, and type are displayed.
Item | Description |
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Host WWN/iSCSI Name |
The WWN or the iSCSI name of the host that can access the volume is displayed. |
CA Port |
The location information of the CA port that connects to the host is displayed. For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4 CE#x CM#y CA#z Port#w For the other models CM#y CA#z Port#w x: CE number y: CM number z: CA number w: Port number |
Reservation Key |
The reservation key that is used for persistent reservation of the volume is displayed. When no reservation keys exist, a "-" (hyphen) is displayed. |
Hold Reservation |
Whether the target reservation key is used for persistent reservation is displayed. When the volume is in reservation status other than persistent reservation status, "No" is displayed.
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Filter Setting
Function Description
Filter setting is a function used to display a list of only the volumes meeting all the specified conditions.
No filtering is set by default. The following table shows conditions that can be specified.
Item | Description | Setting values |
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Name |
Input the volume name that is to be displayed. When not using the volume name for filtering, leave this item blank. |
Volume name Blank |
LUN Group |
Input the LUN group name or the port location information for the volume that is to be displayed. When not using the LUN group name or the port location information for filtering, leave this item blank. |
LUN group name For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4 CE#x CM#y CA#z Port#w For the other models CM#y CA#z Port#w x: CE number y: CM number z: CA number w: Port number Blank |
Minimum Registrant Count |
Input the minimum number of registrants for the volume that is to be displayed. When not using the minimum registrant count, leave this item blank. |
Registrant count Blank |
Reservation Type |
Select the reservation type of the volume that is to be displayed. |
All WE EA WE-RO EA-RO WE-AR EA-AR "-" (hyphen) |
Reservation Status |
Select the reservation status of the volume that is to be displayed. |
All Yes No "-" (hyphen) |
APTPL |
Select the APTPL of the volume that is to be displayed. |
All Yes No "-" (hyphen) |