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File System
The File System section allows you to create the file system, and configure Active Tier, Cache Tier, and Cloud Tier storage.
Each has a separate wizard page. The configuration pages cannot be accessed if the file system is already created.
Cache Tier storage is part of the configuration wizard for the following system models that come with SSDs for cache storage:
● DD6900
● DD9400
● DD9900
Cloud Tier storage is optional, and you can configure it later. The file system must be disabled to configure Cloud Tier storage.
Anytime you display the File System section when the File System has not been created, the system displays an error message.
Continue with the procedure to create the file system.
Configure storage tier pages
The configure storage tier pages enable you to configure storage for each licensed tier on the system, Active Tier, Cache Tier,
and Cloud Tier. Each tier has a separate wizard page. The storage tier configuration pages cannot be accessed through the
wizard if the file system is already created.
Systems that use 8 TB disks for Active Tier storage require a certain number of disks installed in the disk shelves in order to
configure Active Tier and Cloud Tier storage. The disk requirements are:
NOTE:
● Systems that are not listed in this table do not support 8 TB disks, and are not subject to this requirement.
● 8 TB drives are for Active Tier storage only. Cloud Tier storage uses 4 TB drives.
System
DD6900
DD9400
DD9900
Configure Active Tier
The Configure Active Tier section allows you to configure the Active Storage Tier devices. The Active Tier is where back up data
resides. To add storage to the Active Tier, select one or more devices and add them to the tier. You can add storage devices up
to the capacity licenses installed.
Table 25. Addable Storage
Item
ID (Device in DDVE)
Disks
Model
Disk Count
Disk Size (Size in DDVE)
Failed Disks
Type
84
Configure System for Use
Minimum 8 TB disk packs required
for Active Tier (number of disks)
N/A
4 packs (60 disks)
8 packs (120 disks)
Description
The disk identifier, which can be any of the following.
● The enclosure and disk number (in the form Enclosure Slot, or Enclosure Pack
for DS60 shelves)
● A device number for a logical device such as those used by DD VTL and vDisk
● A LUN
The disks that comprise the disk pack or LUN. This does not apply to DDVE
instances.
The type of disk shelf. This does not apply to DDVE instances.
The number of disks in the disk pack or LUN. This does not apply to DDVE
instances.
The data storage capacity of the disk.
Failed disks in the disk pack or LUN. This does not apply to DDVE instances.
SCSI. This only applies to DDVE instances.
4 TB disk packs required for Cloud
Tier (number of disks)
2 packs (30 disks)
4 packs (60 disks)
5 packs (75 disks)
a
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