About Host Storage Information

You can view the storage information of a discovered host target. The Storage tab in the main window of the host's user interface displays the Disks, Filesystems, Linux Volume Group(s), ZFS Storage Pool(s), and SAN Configuration tabs. You can select one of these tabs to view more detailed information.

The Storage tab appears to right of the host's user interface. Select the Storage tab to view the different host storage tabs to the left as shown in Figure 21-6.

Figure 21-6 Host Storage Tab View

Description of Figure 21-6 follows
Description of "Figure 21-6 Host Storage Tab View"

You can view the following host's storage information in the Storage tab:

  • Disks: Displays the Logical disks information and Physical disks information.

  • Filesystems: Displays the Filesystem name, their mounted location, size, incidents, and Storage Utilization.

  • Linux LVM Volume Group(s): Displays different volumes names. You can click any of the volume boxes to view the Total Space in GB, number of Incidents, number of Volumes, Storage Utilization in percentage, and the status of the volume. This tab appears for a Linux host only.

  • ZFS Storage Pool(s): Displays different storage pool volumes. You can click any of the volume boxes to view the Total Space in GB, number of Incidents, number of Volumes, Storage Utilization in percentage, and the status of the volume. This tab appears for a Oracle Solaris host only.

  • SAN Configuration: Displays the Network hardware name, number of targets connected, number of Devices connected, Session Response Time, Maximum Connection Retry Time, FC Port ID, FC Port State, and so on.

Disks of a Host

The Storage tab in the main window of the host lists the Disks tab. You can view the disks information of the Linux or Oracle Solaris host.

You can view the following host's disks information in the Disks tab:

  • Type of disk, such as local or remote disk

  • Name of each disk

  • Size of each disk

  • Device location of each disk

  • Number of incidents for the respective disk if incident count is greater than 0

  • Read Operations per second for last 24 hours

  • Max Read Operations per second

  • Write Operations per second for last 24 hours

  • Max Write Operations per second

  • Storage Utilization

  • SnapshotCount and SnapshotUtilization for Oracle Solaris host if the snapshot count is greater than 0

  • Vendor name

Viewing Disks of a Host

To view the host's disks information, perform the following steps:

  1. From the Targets menu, select All Targets.
  2. In the left navigation pane, expand the Servers, Storage, and Network target type.

    You can view the host target listed.

  3. Click Host.

    The target name, target type, and the target status of the selected target is displayed in the right pane.

  4. Click on the specific host target from the list in the right pane.
  5. Click the Storage tab which appears to the right side of the user interface.
  6. Click the Disks tab.
  7. (Optional): You can select to view all the disks, only the local disks, or only the remote disks. Also, you can filter the list of disks by entering the Volume Name in the Filtered By field.

By default, the number of disk volumes displayed are restricted to 25 by utilization and by the volumes that have alerts. You can change this default value. After selecting Host in the left navigation pane, right click on the specific host listed in the right pane. Select Monitoring and click on Metric and Collection Settings. In the Metric and Collection Settings window, locate the Volume Statistics metric and click Edit in the Space Utilization (%) of a Volume row. Under Metric Collection Properties, the Property Names and Property Values are displayed. The value of NumberOfVolumes property is displayed as 25. You can edit this Property Value to the desired value.

Filesystems of a Host

The Storage tab in the main window of the host lists the Filesystems tab. You can view the filesystems information of the Linux or Oracle Solaris host.

You can view the following host's filesystem information in the Filesystems tab:

  • Type of filesystem, such as local or remote filesystem

  • Name of each filesystem

  • Size of each filesystem

  • Mounted location of each filesystem

  • Number of incidents for respective filesystem

  • Read Operations per second for last 24 hours

  • Max Read Operations per second

  • Write Operations per second for last 24 hours

  • Max Write Operations per second

  • Storage Utilization in percentage

  • Compression Ratio if enabled for Oracle Solaris host

Viewing Filesystems of a Host

To view the host's filesystems information, perform the following steps:

  1. From the Targets menu, select All Targets.
  2. In the left navigation pane, expand the Servers, Storage, and Network target type.

    You can view the host target listed.

  3. Click Host.

    The target name, target type, and the target status of the selected target is displayed in the right pane.

  4. Click on the specific host target from the list in the right pane.
  5. Click the Storage tab which appears to the right side of the user interface.
  6. Click the Filesystems tab.
  7. (Optional): You can select to view all the filesystems, only the local filesystems, or only the remote filesystems. Also, you can filter the list of disks by entering the Filesystem Name in the Filtered By field.

By default, the number of filesystems displayed are restricted to 25 by utilization. You can change this default value. After selecting Host in the left navigation pane, right click on the specific host listed in the right pane. Select Monitoring and click on Metric and Collection Settings. In the Metric and Collection Settings window, locate the Filesystem Statistics metric and click Edit in the Space Utilization (%) of a filesystem row. Under Metric Collection Properties, the Property Names and Property Values are displayed. The value of NumberOfFilesystems property is displayed as 25. You can edit this Property Value to the desired value. You can also set the filesystems property to specify the filesystems that must be collected irrespective of utilization.

SAN Configuration of a Host

The Storage tab in the main window of the host lists the SAN Configuration tab. You can view the SAN Configuration information of the Linux or Oracle Solaris host.

You can view the following host's SAN Configuration information in the SAN Configuration tab:

  • SAN initiator type, such as, iSCSI or FC

  • IQN name for an iSCSI SAN initiator type

  • Total number of targets connected

  • Total number of devices attached

Viewing SAN Configuration of a Host

To view the host's SAN Configuration information, perform the following steps:

  1. From the Targets menu, select All Targets.
  2. In the left navigation pane, expand the Servers, Storage, and Network target type.

    You can view the host target listed.

  3. Click Host.

    The target name, target type, and the target status of the selected target is displayed in the right pane.

  4. Click on the specific host target from the list in the right pane.
  5. Click the Storage tab which appears to the right side of the user interface.
  6. Click the SAN Configuration tab.

Linux Volume Groups of a Host

The Storage tab in the main window of the host lists the Linux LVM Volume Group(s) tab. You can view the Linux volume group information of the Linux host.

Note:

The Linux LVM Volume Group(s) tab is only available for a Linux environment.

You can view the following information of the selected volume in the Linux LVM Volume Group(s) tab:

  • Total Space in GB

  • Target Status of LVM to indicate if up or down

  • Incidents

  • Volumes

  • Storage Utilization in percentage

  • Linux LVM Volume Group Usage graph

  • Linux LVM Volume Group Hierarchy

Viewing Linux Volume Groups of a Host

To view the host's linux volume group information, perform the following steps:

  1. From the Targets menu, select All Targets.
  2. In the left navigation pane, expand the Servers, Storage, and Network target type.

    You can view the host target listed.

  3. Click Host.

    The target name, target type, and the target status of the selected target is displayed in the right pane.

  4. Click on the specific host target from the list in the right pane.
  5. Click the Storage tab which appears to the right side of the user interface.
  6. Click the Linux LVM Volume Group(s) tab. The different volumes are listed in the form of blocks to the left.
  7. Click on a specific volume to view detailed information.

ZFS Storage Pools of a Host

The Storage tab in the main window of the host lists the ZFS Storage Pool(s) tab. You can view the detailed information of different zpools.

Note:

The ZFS Storage Pool(s) tab is only available for an Oracle Solaris environment.

You can view the following information of the selected zpool in the ZFS Storage Pool(s) tab:

  • Total Space in GB

  • Target Status of the pool to indicate if up or down

  • Incidents

  • Filesystems

  • Volumes

  • Dedup Ratio

  • Storage Utilization in percentage

  • Zpool status indicating if it is online, offline, or faulted

  • ZFS Storage Pool Usage graph

  • ZFS Storage Pool Hierarchy

Viewing ZFS Storage Pools of a Host

To view the host's ZFS storage pool information, perform the following steps:

  1. From the Targets menu, select All Targets.
  2. In the left navigation pane, expand the Servers, Storage, and Network target type.

    You can view the host target listed.

  3. Click Host.

    The target name, target type, and the target status of the selected target is displayed in the right pane.

  4. Click on the specific host target from the list in the right pane.
  5. Click the Storage tab which appears to the right side of the user interface.
  6. Click the ZFS Storage Pool(s) tab. The different zpools used are listed in the form of blocks to the left.
  7. Click on a specific zpool to view detailed information.