extent showiomdstobjinfo
Function
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. |
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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