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. |