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Oracle® Enterprise Manager System Monitoring Plug-in Metric Reference Manual for Storage Management
10g Release 2 (10.2.0.4)

B28751-03
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1 EMC Celerra NAS Server Metrics

This chapter provides descriptions for all EMC Celerra NAS Server metric categories, and tables list and describe associated metrics for each category. The tables also provide user actions if any of the metrics for a particular category support user actions.

1.1 Check Points Metrics

The metrics in this category provide information about existing SnapSure Checkpoints for all mounted production file systems on all data movers in the Celerra Server.

Default Collection Interval — Every 15 minutes

Table 1-1 Check Points Metrics

Metric Description and User Action

Backup Timestamp

Timestamp of SnapSure Checkpoint creation or last refresh.

Checkpoint Volume Available Space (GB)

Available space in the Checkpoint SaveVol.

Checkpoint Volume Size (GB)

Total size of the Checkpoint SaveVol.

Checkpoint Volume Used Space (GB)

Used space of the Checkpoint SaveVol.

Checkpoint Volume Used (%)

Percent used of the Checkpoint SaveVol. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Is Inactive

State of the SnapSure Checkpoint. Possible status values are:

  • Active — Checkpoint is normal and functioning properly.

  • Inactive — Contents were deleted because the system ran out of space to store Checkpoints. For this status, either refresh or delete SnapSure Checkpoint and take corrective action using EMC administrative tools.

  • Restoring — The production file system is currently being restored from this checkpoint.

Name

SnapSure Checkpoint name.

Production File System

File system of which this Checkpoint is an image.

VPFS

Name of the SaveVol where the Checkpoint is stored.


1.2 Data Mover Network Throughput Metrics

The metrics in this category provide information about the average network throughput of all network interfaces for each Data Mover in the Celerra server.

Default Collection Interval — Every 10 minutes

Table 1-2 Data Mover Network Throughput Metrics

Metric Description

Data Mover

Data Mover name.

Network Throughput (KB/sec)

Average network throughput on all network interfaces.


1.3 Data Mover Status Metrics

The metrics in this category provide information on Data Movers and their status properties.

Default Collection Interval — Every 5 minutes

Table 1-3 Data Mover Status Metrics

Metric Description and User Action

Data Mover CPU (%)

Data Mover CPU utilization. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Data Mover Memory (%)

Data Mover memory utilization. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Data Mover Status

Status of the Data Mover (enabled or disabled). This determines whether the Data Mover is up. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Name

Data Mover name.

Status Actual

  • Online, active — Online and has mounted file systems.

  • Online, ready — Online but does not have any mounted file systems (standby mode).

Up Time

Elapsed time since the last Data Mover reboot.


1.4 File Systems Metrics

The metrics in this category provide information about the list of existing uxfs file systems.

Default Collection Interval — Every 15 minutes

Table 1-4 File Systems Metrics

Metric Description and User Action

Available Space (GB)

Available space in the file system.

File System

Name of the file system.

File System Used (%)

Percentage of used space. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Max Files

Maximum number of files (inode count) in the file system.

Size (GB)

Size of the file system.

Storage Pool Name

Storage pool on which the file system is created.

Used Space (GB)

Used space in the file system.

Volume Name

Volume on which the file system is created.


1.5 NFS Exports Metrics

The metrics in this category provide information on all NFS exports and access hosts of the Celerra Server.

Default Collection Interval — Every 12 hours

Table 1-5 NFS Exports Metrics

Metric Description

Access Hosts

All hosts, IP addresses, or subnets that are granted mount access to the export.

Data Mover

Data Mover from which the file system is exported.

Export

Complete path to the directory from its mount point.

Read-Only Hosts

All hosts, IP addresses, or subnets that are granted read-only access to the export.

Read-Write Hosts

All hosts, IP addresses, or subnets that are granted read-write mount access to the export.

Root Hosts

All hosts, IP addresses, or subnets that are granted root access to the export.


1.6 NFS Operations Metrics

The metrics in this category provide information about average call time and NFS operations per second.

Default Collection Interval — Every 10 minutes

Table 1-6 NFS Operations Metrics

Metric Description and User Action

Average Call Time

Triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Data Mover

Data Mover on which the statistics are reported.

NFS Bad Calls (v2 and v3) (%)

NFS bad calls percentage. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

NFS Calls per Second (v2 and v3) (%)

Operations per second. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.


1.7 NFS Statistics Metrics

The metrics in this category provide information about nfsstat information.

Default Collection Interval — Every 10 minutes

Table 1-7 NFS Statistics Metrics

Metric Description and User Action

Data Mover

Data Mover on which the statistics are reported.

Failures

Bad calls due to packet drops, which can be used to tune NFS configuration attributes.

ms/call

Milliseconds per call, which can be used to tune NFS configuration attributes.

Name

NFS call type, such as null, setattr, getattr, and so forth.

ncalls

Total number of calls of this type, which can be used to tune NFS configuration attributes.

% Total Calls

Percentage of total calls, which can be used to tune NFS configuration attributes.

Version

NFS version (V2 or V3).


1.8 Network Devices Metrics

The metrics in this category provide information about existing network devices on the system. By default, each physical port on a Network Interface Card (NIC) is a device unless the port is added to a virtual device.

Default Collection Interval — Every 12 hours

Table 1-8 Network Devices Metrics

Metric Description

Data Mover

Data Mover on which the device is configured.

Name

Port of virtual device name.

Speed/Duplex

Current speed and duplex setting of the device.

Type

Type of network device, which could be a port, Ethernet channel, fail-safe network, or link aggregation.


1.9 Network Interfaces Metrics

The metrics in this category provide information about network interfaces on Data Movers.

Default Collection Interval — Every 12 hours

Table 1-9 Network Interfaces Metrics

Metric Description

Address

IP address of the interface.

Broadcast Address

IP address used for broadcasting to all stations.

Data Mover

Data Mover on which the interface is configured.

Device

Port or virtual device on which the interface is configured.

MTU

Maximum Transmission Unit (MTU) size for packets using this interface.

Name

Name of the database.

Netmask

Network address mask of the interface.

Network Interface Status

Interface status, which is Up or Down.

VLAN ID

Virtual LAN identifier. A value of zero (0) means that there is no VLAN ID, and VLAN tagging is not enabled.


1.10 Network Statistics Metrics

The metrics in this category provide netstat information on different network interfaces of data movers in the Celerra system.

Default Collection Interval — Every 10 minutes

Table 1-10 Network Statistics Metrics

Metric Description and User Action

Data Mover

Data Mover on which the statistics are reported.

Ibytes

Total bytes received on this device. Use this metric to tune network configuration attributes.

MTU

Means Maximum Transfer Unit.

Name

Network device name.

Network Throughput (KB/sec)

Network throughput of this device. Use this metric to tune network configuration attributes.

Obytes

Total bytes sent on this device. Use this metric to tune network configuration attributes.

Receive Rate (bytes/sec)

Throughput - Bytes received per second. Use this metric to tune network configuration attributes.

Send Rate (bytes/sec)

Throughput -Bytes sent per second. Use this metric to tune network configuration attributes.

Total Network Receive Errors

Total network receive errors on this device. Use this metric to tune network configuration attributes.

Total Network Send Errors

Total network send errors on this device. Use this metric to tune network configuration attributes.


1.11 Pools Metrics

The metrics in this category provide information about the list of Automatic Volume Management (AVM) storage pools and detailed information about each storage pool.

Default Collection Interval — Every 15 minutes

Table 1-11 Pools Metrics

Metric Description and User Action

Clients

List of file systems or SavVols using the storage pool.

Description

Description of the storage pool, such as CLARiiON RAID5 4plus1 and CLARiiON RAID5 on S-ATA.

Disk Type

Disk type used by the storage pool.

Is Dynamic?

Applies only to system-defined storage pools. Indicates if the storage pool can extend automatically. (True/False)

Is User Defined?

Indicates whether system-defined or user-defined. (True/False)

Members

List of member volumes in the storage pool.

Name

Name of the storage pool.

Size (GB)

Total capacity of the storage pool.

Storage Pool Used (%)

Total allocated space. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Used (GB)

Percentage of allocated space.


1.12 Response Metrics

Based on the Control Station TCP ping status, the metrics in this category determine whether the Celerra Server target is up.

Default Collection Interval — Every 2 minutes

Table 1-12 Response Metrics

Metric Description

Status

Indicates up or down by the pinging control station. If down, check the control station to determine why it is not reachable.

TCP Ping, Milliseconds

Time required to complete the ping operation. This triggers an alert based on threshold settings.


1.13 Routing Metrics

The metrics in this category provide information about static routes defined for a Data Mover.

Default Collection Interval — Every 12 hours

Table 1-13 Routing Metrics

Metric Description

Data Mover

Data Mover on which the route is defined.

Destination

IP address of the route destination.

Gateway

IP address of the gateway used to reach the destination addresses.

Interface

Interface associated with the route.

Netmask

Subnet mask of the interface.


1.14 Storage System Status Metrics

The metrics in this category provide the status of the back-end storage system.

Default Collection Interval — Every 5 minutes

Table 1-14 Storage System Status Metrics

Metric Description and User Action

ClariionID/SymmID

Clariion or Symmetrix ID of the system.

Is Captive

Is the storage system captive?

Is Connected

Is the component currently connected? Determines if the storage system is up or not. If not connected, check the error condition of the storage system.

Is Storage System FailedOver

Is the component presently failed over? This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Name

Model and serial number of the storage system.


1.15 Volumes Metrics

The metrics in this category provide information about the list of existing volumes and detailed information about each volume and how it is used.

Default Collection Interval — Every 15 minutes

Table 1-15 Volumes Metrics

Metric Description and User Action

Client Type

Client - Volume type (slice, strip, disk, pool) or file system.

Clients

Volumes of file systems that use this volume.

Disk Type

Disk volume type, such as CLSTD, CLATA, and so forth.

InUse

Is in use by other volumes or file systems.

Name

Name of the volume.

Size (GB)

Total capacity of the volume.

Type

Type of the volume: disk, slice, stripe, meta, or pool.

Used Capacity (GB)

Space used in gigabytes.

Type

Percentage of space used. This triggers an alert based on threshold settings. Take corrective action using EMC administrative tools.

Volume

Volumes