Chapter 3 Volume Management
3.7 TPV Management
ETERNUS Web GUI User’s Guide (Settings)
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3.7
TPV Management
This section describes TPV management.
TPV management provides the following functions:
•
Expand Thin Provisioning Volume
•
Modify Thin Provisioning Volume Threshold
•
•
Cancel Optimizing TPV/FTV Capacity
•
Start Balancing Thin Provisioning Volume
•
Stop Balancing Thin Provisioning Volume
•
•
3.7.1
Expand Thin Provisioning Volume
This function expands the capacity of a Thin Provisioning Volume.
Requirements for expanding a TPV
•
The capacity is not 128TB or more
-
For ODX Buffer volumes, the capacity must not be more than 1TB
-
For NAS user volumes, the capacity must not be more than the maximum volume capacity of each "NAS
FS Block Size" (*1)
*1:
The following table shows the maximum NAS user volume capacity and the maximum file size of each "NAS FS
Block Size".
*2:
NAS file system (NAS user volume) version. For the details, refer to "Volume Detail (Basic)" in "ETERNUS Web
GUI User’s Guide (Operation)".
*3:
The file size indicates the size of the user data that is created in the shared folder.
NAS FS Version (*2)
NAS FS Block Size
8KB
32KB
256KB
Maximum NAS user
volume capacity
2
–
–
128TB
NAS FS block size is fixed to
"256KB"
3
4TB
16TB
–
For a NAS user volume created
with a "256 KB" NAS FS block
size, NAS FS version is "2".
4
32TB
128TB
128TB
Maximum file size
(*3)
2
–
–
32TB
NAS FS block size is fixed to
"256KB"
3 or 4
1TB
4TB
32TB
Содержание Eternus DX200F
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