Chapter 4 Volume Status
4.11 Volume Detail (Basic)
ETERNUS Web GUI User’s Guide (Operation)
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• Used Capacity
The used capacity (physically allocated capacity) of volume is displayed.
A "-" (hyphen) is displayed for the Deduplication/Compression Volume (*1).
This item is displayed when the volume type is "TPV" or "FTV".
*1: The used capacity of the Deduplication/Compression Volumes in the TPP can be determined by checking the used
capacity of the DEDUP_SYS Volume that is created in the TPP. The used capacity of the DEDUP_SYS Volume
approximately corresponds to the total used capacity of the Deduplication/Compression Volumes in the relevant
TPP.
• Used Rate
The volume utilization is displayed between 0% - 100%.
Used Rate = Used Capacity / Capacity
A "-" (hyphen) is displayed for the Deduplication/Compression Volume (*1).
This item is displayed when the volume type is "TPV" or "FTV".
*1: The used rate of the Deduplication/Compression Volumes in the TPP can be determined by checking the used
rate of the DEDUP_SYS Volume that is created in the TPP. The used rate of the DEDUP_SYS Volume approximately
corresponds to the total used rate of the Deduplication/Compression Volumes in the relevant TPP. Note that the
capacity reduction rate for the TPP due to the Deduplication/Compression function can be checked in the [Thin
Provisioning Pool] screen. Refer to "7.1.1 Thin Provisioning Pool (Basic Information)" (page 325)
for details.
• Threshold
The threshold for monitoring the volume utilization is displayed between 1% - 100%.
If the "Used Rate" value exceeds the "Threshold", a Host Sense Key Code Qualifier is notified.
A "-" (hyphen) is displayed for the Deduplication/Compression Volume or the Deduplication/Compression
System Volume.
This item is displayed when the volume type is "TPV" or "FTV".
• NAS FS Block Size
The block size of the NAS file system (NAS user volume) is displayed.
This item is displayed only when the usage details of the volume is "NAS Data".
The maximum NAS user volume capacity and the maximum file size vary depending on the block size of
the NAS file system. For details, refer to the following table.
The maximum NAS user volume capacity and the maximum file size of each "NAS FS Block Size"
*1: The version of the NAS file system (NAS user volume). For the details, refer to "NAS FS Version" (page 226).
*2: The "file size" indicates the size of the user data that is created in the shared folder.
• The threshold for TPPs can be checked in the [Threshold] screen. Refer to "7.1.5 Threshold (Thin
Provisioning Pool)" (page 334) for details.
• The threshold for FTRPs can be checked in the [Flexible Tier Pool] screen. Refer to "7.2.1 Flexible Tier
Pool (Basic Information)" (page 340) for details.
NAS FS Version (*1) NAS FS Block Size
8KB 32KB 256KB
The maximum NAS user volume capacity 1 or 2 – – 128TB
3 4TB 16TB –
4 or 5 32TB 128TB 128TB
The maximum file size (*2) 1 or 2 – – 32TB
3, 4, or 5 1TB 4TB 32TB
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