V$ASM_VOLUME_STAT

In an Oracle Automatic Storage Management (Oracle ASM) instance, V$ASM_VOLUME_STAT displays information about statistics for each Oracle ADVM volume.

Column	Datatype	Description
`GROUP_NUMBER`	`NUMBER`	Cluster-wide number assigned to the disk group (composite primary key)
`VOLUME_NAME`	`VARCHAR2(30)`	Name of the volume
`COMPOUND_INDEX`	`NUMBER`	A 32-bit number consisting of a disk group number in the high-order 8 bits and a volume number in the low-order 24 bits (for efficient access to the view)
`VOLUME_NUMBER`	`NUMBER`	Number of the Volume within the disk group (composite primary key)
`READS`	`NUMBER`	Total number of read requests for this volume
`WRITES`	`NUMBER`	Total number of write requests for this volume
`READ_ERRS`	`NUMBER`	Total number of failed read I/O operations for this volume
`WRITE_ERRS`	`NUMBER`	Total number of failed write I/O operations for this volume
`READ_TIME`	`NUMBER`	Total I/O time (in seconds) for read requests for this volume
`WRITE_TIME`	`NUMBER`	Total I/O time (in seconds) for write requests for this volume
`BYTES_READ`	`NUMBER`	Total number of bytes read for this volume
`BYTES_WRITTEN`	`NUMBER`	Total number of bytes written for this volume
`CON_ID`	`NUMBER`	The ID of the container to which the data pertains. Possible values include: `0`: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. `1`: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data For this view, the value is always `0`.