Individual volume details

You can view information for active volumes when you select an individual volume and view its details on the Volumes page of the Management tab from the NetApp Element Management extension point.

These headings are in the General Details section:

Name
The name assigned to the volume.
Volume ID
The system-generated ID for the volume.
IQN
The iSCSI Qualified Name of the volume.
Account ID
The unique account ID of the associated account.
Account
The name of the account assigned to the volume.
Access Groups
The name of the volume access group to which the volume belongs.
Size
The total size in bytes of the volume.
Volume Paired
Indicates whether or not the volume is part of a volume pairing.
SCSI EUI Device ID
Globally unique SCSI device identifier for the volume in EUI-64 based 16-byte format.
SCSI NAA Device ID
The globally unique SCSI device identifier for the protocol endpoint in NAA IEEE Registered Extended Format.

These headings are in the Efficiency section:

Compression
The compression efficiency score for the volume.
Deduplication
The deduplication efficiency score for the volume.
Thin Provisioning
The thin provisioning efficiency score for the volume.
Last Updated
The date and time of the last efficiency score.

These headings are in the Performance section:

Account ID
The unique account ID of the associated account.
Actual IOPS
Current actual IOPS to the volume in the last 500 milliseconds.
Async Delay
The length of time since the volume was last synced with the remote cluster.
Average IOP Size
Average size in bytes of recent I/O to the volume in the last 500 milliseconds.
Burst IOPS Size
The total number of IOP credits available to the user. When volumes are not using up to the Max IOPS, credits are accrued.
Client Queue Depth
The number of outstanding read and write operations to the volume.
Last Updated
The date and time of the last performance update.
Latency USec
The average time, in microseconds, to complete operations to the volume in the last 500 milliseconds. A "0" (zero) value means there is no I/O to the volume.
Non-zero Blocks
Total number of 4KiB blocks with data after the last garbage collection operation has completed.
Performance Utilization
The percentage of cluster IOPS being consumed. For example, a 250K IOP cluster running at 100K IOPS would show 40% consumption.
Read Bytes
The total cumulative bytes read from the volume since the creation of the volume.
Read Latency USec
The average time, in microseconds, to complete read operations to the volume in the last 500 milliseconds.
Read Operations
The total read operations to the volume since the creation of the volume.
Thin Provisioning
The thin provisioning efficiency score for the volume.
Throttle
A floating value between 0 and 1 that represents how much the system is throttling clients below their maxIOPS because of re-replication of data, transient errors and snapshots taken.
Total Latency USec
The time, in microseconds, to complete read and write operations to a volume.
Unaligned Reads
For 512e volumes, the number of read operations that were not on a 4k sector boundary. High numbers of unaligned reads may indicate improper partition alignment.
Unaligned Writes
For 512e volumes, the number of write operations that were not on a 4k sector boundary. High numbers of unaligned writes may indicate improper partition alignment.
Used Capacity
Percentage of used capacity.
Volume ID
The system-generated ID for the volume.
Vol Access Groups
The volume access group IDs that are associated with the volume.
Volume Utilization
A percentage value that describes how much the client is using the volume.
Possible values:
  • 0: Client is not using the volume.
  • 100: Client is using their max.
  • >100: Client is using their burst.
Write Bytes
The total cumulative bytes written to the volume since the creation of the volume.
Write Latency USec
The average time, in microseconds, to complete write operations to a volume in the last 500 milliseconds.
Write Operations
The total cumulative write operations to the volume since the creation of the volume.
Zero Blocks
Total number of 4KiB blocks without data after the last round of garbage collection operation has completed.

These headings are in the Quality of Service section:

Policy
The name of the QoS policy assigned to the volume.
I/O Size
The size of the IOPS in KB.
Min IOPS
The minimum number of sustained inputs and outputs per second (IOPS) that the cluster provides to a volume. The Min IOPS configured for a volume is the guaranteed level of performance for a volume. Performance does not drop below this level.
Max IOPS
The maximum number of sustained IOPS that the cluster provides to a volume. When cluster IOPS levels are critically high, this level of IOPS performance is not exceeded.
Burst IOPS
The maximum number of IOPS allowed in a short burst scenario. If a volume has been running below the Max IOPS, burst credits are accumulated. When performance levels become very high and are pushed to maximum levels, short bursts of IOPS are allowed on the volume.
Max Bandwidth
The maximum bandwidth permitted by the system to process larger block sizes.

These headings are in the Snapshots section:

Snapshot ID
System generated ID for the snapshot.
Snapshot Name
User-defined name for the snapshot.
Create Date
The date and time at which the snapshot was created.
Expiration Date
The day and time the snapshot will be deleted.
Size
User-defined size of the snapshot in GB.