Use the main view of the Grid Summary panel
to compare the details and health status of all clusters in the grid.
The following status icons can be displayed on each cluster image
in the
Grid Summary panel. You can view additional
information about the status by hovering over the icon with a mouse
pointer.
| Icon |
Indicated health status |
|
|
- Warning or Degraded
- The connection between the grid and cluster is working but one of the cluster's redundant parts
has stopped functioning.
- The following operational states can cause a
degraded health status for a cluster:
- Out of Empty Stacked Volumes
- The cluster does not contain any empty scratch virtual volumes.
- Refer to HYDME1099W in Management interface messages
for additional information.
- Copies Disabled by the System
- Copies are disabled on the cluster because the cluster is out of physical scratch volumes or out
of cache space.
- Refer to HYDME1100W in Management interface messages
for additional information.
- Copies Disabled by the Host
- Copies have been disabled using a Host Console Request.
- Refer to HYDME1101W in Management interface messages
for additional information.
- Immediate Deferred Copies
- Copy operations on the cluster are deferred until after a rewind-unload operation occurs at the
host.
- Refer to HYDME1102W in Management interface messages
for additional information.
- All Storage Cells Full in Physical Library
- No empty I/O slots exist in a physical library attached to the cluster.
- Refer to HYDME1131W in Management interface messages
for additional information.
- Limited Free Space in Cache
- Cache resources are limited and in danger of reaching maximum capacity.
- Refer to HYDME1132W in Management interface messages
for additional information.
- Out of Cache Resources
- The cluster is out of cache space.
- Refer to HYDME1133W in Management interface messages
for additional information.
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|
|
- Impact
- No immediate impact to operations, but ejects cannot proceed, input station processing problem,
early warning for serious type interventions including performance degradation, copies may not be
performed or are degraded.
|
|
|
- Critical or Serious/Error
- Operations in the reporting TS7700/Library are stopped, all jobs allocated may fail. Or, one or
more jobs may fail, some virtual volumes may be inaccessible, mounts are suspended, performance may
be degraded.
|
|
|
- Service or Service Prep
- A cluster is in the Service or Service Prep
mode.
|
|
|
- Fence Mode
- A cluster is in the Fence mode.
|
|
|
- Unknown
- The status of the cluster is unknown; its status has not been updated for at least 15 minutes.
Note: When someone performs a service login to the TS7700, the health check is disabled
until shortly after the service representative logs out or until eight hours have elapsed, whichever
happens first. During this time, the management interface might display a health status of
Unknown.
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|
|
- Offline
- A cluster can be considered offline due to any of the following conditions: being in
Service, Service prep, or Fence
mode, all vNodes are offline, an active hNode is offline, or a cluster is in a pending online
state.
- This icon is displayed on the bottom right corner of the cluster image and takes precedence over
any health icon.
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|
|
- Write Protect Mode
- Write Protect Mode is enabled on the cluster. Click this icon to open the Write Protect Mode
panel for the cluster.
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|
|
- Cluster Fenced or Devices Require Manual Vary Online
- Hover your mouse over the icon to determine which informational state it represents.
- The cluster is currently fenced due to the Alert or Isolate From Grid condition and must be
manually unfenced from the grid summary actions menu. For more information, refer to Fence or Unfence clusters.
- The cluster previously surfaced CUIR attentions to vary offline devices, LI REQ AONLINE is
disabled, and the cluster is waiting to surface CUIR online attentions. You must manually request
the devices to vary online by using the actions menu from the cluster summary panel. For more
information, refer to Vary devices online.
|
The main view of the Grid Summary panel also displays these grid
and cluster details:
- Last Refresh
- The timestamp for the last refresh is located on the top, right
side of the Grid Summary panel. It displays the
time the health of the system was last checked and updated. Data shown
is not real time, but based on the automatic refresh determined by
the TS7700.
- To populate the summary with an updated health status, click the
refresh icon. This operation can take some time to complete.
- Grid View
- The main view of the Grid Summary panel displays
all clusters in the grid. Click a cluster's image to open the Cluster
Summary panel for that cluster.
- Each cluster is labeled using either the Cluster Nickname (if
defined) or Cluster ID (if no nickname is defined).
If
a Cluster Nickname exists, the cluster label appears as: Cluster Nickname (Cluster ID)
If
no Cluster Nickname exists, the cluster label appears as: #Distributed Library Sequence Number (Cluster ID)
The
cluster that was used to log into the web interface is the accessing
cluster and is identified by a surrounding border. If the Show
Families option is enabled, a label displaying each cluster's
family is shown beneath the cluster label.
- Raw Host Throughput
- Hover over a cluster image to view the raw host read and write
throughput for that cluster. Click the Raw Host Throughput pop-up
window to open the Host Throughput panel.
