HP Surestore E Disk Array XP256 HP XP P9000 External Storage Access Manager Us - Page 29

Where to find the information, How hosts see volume pairs, Checking pair status

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Where to find the information You can view all information about pairs in the GUI. If you configured the system to send email notifications, you can monitor those particular events remotely. When a pair is in PSUS, SSWS, or PSUE status, the primary storage system generates SIMs (service information messages). You can check SIMs in RWC's Alerts window. How hosts see volume pairs When you create an ESAM pair, the host sees the primary and secondary volumes as the same volume. The following figure shows: • The configuration as seen by the host. • The actual configuration with primary and secondary volumes. Checking pair status Use RWC to view the current status of volume pairs. 1. In the RWC main window, click Actions > Remote Copy > Continuous Access Synchronous > Pair Operation. 2. In the Pair Operation window tree, select the CU group, CU, port, or the host group where the ESAM pair belongs. The list shows Continuous Access Synchronous and ESAM pairs. 3. You can complete the following tasks: • To make sure data is current and review the status information in the Status column, click File/Refresh. • To filter the list to show only ESAM pairs, open the Display Filter window. • To view pair status details, right-click the ESAM pair and click Detail. You can complete the following tasks in the Detailed Information dialog box: • See information about other volumes. Click Previous or Next. • Edit the current information for the pair. Click Update. • Close the dialog box. Select the Refresh the Pair Operation window after this dialog box closes option to update the information in the Pair Operation window based on the updated information on the Detailed Information dialog box. Click Close. How hosts see volume pairs 29

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Where to find the information
You can view all information about pairs in the GUI. If you configured the system to send email
notifications, you can monitor those particular events remotely.
When a pair is in PSUS, SSWS, or PSUE status, the primary storage system generates SIMs (service
information messages). You can check SIMs in RWC’s
Alerts
window.
How hosts see volume pairs
When you create an ESAM pair, the host sees the primary and secondary volumes as the same
volume.
The following figure shows:
•
The configuration as seen by the host.
•
The actual configuration with primary and secondary volumes.
Checking pair status
Use RWC to view the current status of volume pairs.
1.
In the RWC main window, click
Actions > Remote Copy > Continuous Access Synchronous >
Pair Operation
.
2.
In the
Pair Operation
window tree, select the CU group, CU, port, or the host group where
the ESAM pair belongs.
The list shows Continuous Access Synchronous and ESAM pairs.
3.
You can complete the following tasks:
•
To make sure data is current and review the status information in the
Status
column, click
File/Refresh
.
•
To filter the list to show only ESAM pairs, open the
Display Filter
window.
•
To view pair status details, right-click the ESAM pair and click
Detail
.
You can complete the following tasks in the
Detailed Information
dialog box:
•
See information about other volumes. Click
Previous
or
Next
.
•
Edit the current information for the pair. Click
Update
.
•
Close the dialog box. Select the
Refresh the Pair Operation window after this dialog box
closes
option to update the information in the
Pair Operation
window based on the
updated information on the
Detailed Information
dialog box. Click
Close
.
How hosts see volume pairs
29