volume showctrl
Function
Parameters
Parameter |
Description |
Value |
|---|---|---|
| volumeid | Volume ID. | The value ranges from 0 to n minus one. n indicates the maximum number of LUNs. |
Example
View the status of volume 0.
admin:/diagnose>volume showctrl 0
Data Volume Object:
Volume Id : 0x0
Volume Size : 25165824(sector)
Init Volume Size : 0(sector)
Snap Point Time : 0xffffffffffffffff
Disk Pool Id : 0x0
User Pool Id : 0x0
LUN Id : 0x0
VirtualGrainSize : 0x2000(sector)
VolStatusBitmap : 0x97
Is partition loaded : TRUE
Is background service started : TRUE
Is background task started : TRUE
Is write protected : FALSE
Is volume fault : FALSE
Dst Object Id : 0x0
Work Controller Id : 0x0
Data Volume Type : FAT_DATA
Init Tier Policy : SSD
Dynamic Migrate Policy : NONE
Is Alloc Complished : TRUE
Is Configured Erasement : FALSE
Logic Disk Id : 4294967295
Is Check Zero Page : FALSE
volume threshold : 4294967295
Vol VNode ID : 0
VNode ID In Group(GroupId,VNodeId)
: (0,0)(1,2)(2,4)(3,6)(4,8)(5,10)(6,12)(7,14)
Redirect type : --
Has redirect object : FALSE
Data Volume Qos Info:
Io Class Id : 65535
Cache Partition Id : 0
QoS Priority : HOST_LOW
Data Volume Cache Info:
Write State : WRITE_BACK
Mirror State : ENABLE
Prefetch Type : INTELLIGENT
Prefetch Factor : 0
Is Work Controller : TRUE
Is Read From Both Controller : FALSE
Buffer Policy : EVICT_MIDDL
Destage Policy : DESTAGE_MIDDLE
Data Volume Ckg Work Node Info:
PAIR NODE
---- ----
0 0
1 65535
2 65535
3 65535
4 65535
5 65535
6 65535
7 65535
Meta Volume Object:
Volume Id : 0x1000000000
Data Volume Id : 0x0
Disk Pool Id : 0x0
Grain Size : 8192(sector)
Cow Grain Size : 128(sector)
Extent Size : 8192(sector)
Meta Extent Size : 4096(sector)
Minimize Reserve Size : 0(sector)
Max Reserve Size : 25165824(sector)
Cow Reserve Size : 0(sector)
Version : 2
Meta Volume Qos Info:
Io Class Id : 65535
Cache Partition Id : 0
QoS Priority : HOST_LOW
Meta Volume Cache Info:
Write State : WRITE_BACK
Mirror State : ENABLE
Prefetch Type : NOTHING
Prefetch Factor : 4294967295
Is Work Controller : TRUE
Is Read From Both Controller : FALSE
Buffer Policy : ERROR_POLICY
Destage Policy : ERROR_POLICY
Meta Volume Ckg Work Node Info:
PAIR NODE
---- ----
0 0
1 65535
2 65535
3 65535
4 65535
5 65535
6 65535
7 65535
System Response
The following table describes the parameter meanings.
Parameter |
Meaning |
|---|---|
| Volume Id | Volume ID. |
| Volume Size | Volume size, expressed in sectors. |
| Init Volume Size | Initial volume size, expressed in sectors. |
| Snap Point Time | Snap point in time. The snap is valid only when the volume is a data volume. |
| Disk Pool Id | ID of the disk pool where a LUN belongs to. |
| User Pool Id | ID of the user pool where a LUN belongs to. |
| LUN Id | LUN ID that the data volume corresponds to. |
| VirtualGrainSize | Size of a virtual block used by thin or fat LUNs, expressed in sectors. The size is changeable. |
| VolStatusBitmap | Volume status bitmap. |
| Is partition loaded | Metadata loading identifier. |
| Is background service started | Identifier of the background service status of the volume. |
| Is background task started | Identifier of the background task status of the volume. |
| Is write protected | Identifier of the write protect status of the volume. |
| Is volume fault | Whether the volume is faulty. |
| Dst Object Id | ID of a hotspot data migration group. |
| Work Controller Id | Working controller of the volume. |
| Data Volume Type | Type of a data volume. The value can be thin, thick, or snap. |
| Init Tier Policy | Initial allocation policy. |
| Dynamic Migrate Policy | Dynamic migration policy. |
| Is Alloc Complished | Identifier of whether the allocation of thick volumes is complete. |
| Is Configured Erasement | Whether LUN destruction is configured for a LUN. |
| Logic Disk Id | Logical disk ID corresponding to the eDevlun. |
| Is Check Zero Page | Whether zero page check is performed for the volume. This is valid for thin LUNs. |
| volume threshold | volume capacity threshold alarm of WINDOWS 2012. |
| Vol VNode ID | Vnode ID of volume. |
| VNode ID In Group(GroupId,VNodeId) | Vnode ID for each engine. |
| Redirect type | Redirection type. |
| Has redirect object | Whether redirection objects exist. |
| Io Class Id | Background dispatching ID of quality of service (QoS) of the volume. |
| Cache Partition Id | Cache partition ID. |
| QoS Priority | QoS priority. |
| Write State | Write type. |
| Mirror State | Mirror type. |
| Prefetch Type | Prefetch type. |
| Prefetch Factor | Prefetch parameter. |
| Is Work Controller | Whether a controller is the working controller. |
| Is Read From Both Controller | Whether dual reads are supported. |
| Buffer Policy | Read policy of volume caches. |
| Destage Policy | Disk flushing policy. |
| Data Volume Ckg Work Node Info | Working controller of the chunk group (CKG) of a data volume. |
| Meta Volume Object: | Meta volume object. |
| Meta Volume Qos Info: | Information about meta volume QoS. |
| Meta Volume Cache Info | Information about meta volume caches. |
| Meta Volume Ckg Work Node Info | Information about the working controller of the CKG of a meta volume. |
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