extent showiomdstobjinfo
Function
The extent showiomdstobjinfo command is used to obtain information about nodes in a user pool.
Format
extent showiomdstobjinfo [ userpoolId | userpoolId num ]
Parameters
Parameter |
Description |
Value |
|---|---|---|
userpoolId |
User pool ID. |
The value ranges from 0 to n minus one. n indicates the maximum number of storage pools. |
num |
Information about num user pools after a user pool ID. |
User pool ID plus num is less than n minus one, where n indicates the maximum number of storage pools supported by a product. |
Views
Diagnostic view
Usage Guidelines
None
Example
Obtain information about nodes in user pool 0.
admin:/diagnose>extent showiomdstobjinfo 0
All dst object information:
Large rbnode num : 4194304
Small rbnode num : 2097152
Base rbnode num : 8388608
Dst object 0 information:
Allocated extent num : 1000
Resource ratio : 50
Preserved node num Allocated node num Free node num
------------------ ------------------ -------------
Base 4194304 0 4194304
Level 2 2097152 0 2097152
Level 1 1048576 0 1048576
Level 0 1048576 0 1048576
Destage 2048 0 2048
System Response
The following table describes the parameter meanings.
Parameter |
Meaning |
|---|---|
All dst object information |
Information about red and black tree nodes monitored in all storage pools. |
Large rbnode num |
Number of Level 2 red and black tree nodes. |
Small rbnode num |
Number of Level 1 red and black tree nodes. |
Base rbnode num |
Number of base red and black tree nodes. |
Dst object information |
Information about red and black tree nodes monitored in a specified storage pool. |
Allocated extent num |
Number of allocated extents. |
Resource ratio |
Ratio of red tree node resources to black red tree node resources. |
Preserved node num |
Number of reserved nodes. |
Allocated node num |
Number of allocated nodes. |
Free node num |
Number of free nodes. |
Base |
Base red and black tree nodes. |
Level 2 |
Level 2 red and black tree nodes. |
Level 1 |
Level 1 red and black tree nodes. |
Level 0 |
Level 0 red and black tree nodes. |
Destage |
Node on the obsoleting tree. |
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