Hp XP Continuous Access Software Manuel d'utilisateur télécharger pdf (Page 204)

1. Split data volume pairs that are affected by powering off the primary and secondary arrays.

For example, if two primary arrays and one secondary array are connected to each other

and you want to power off one of the primary arrays and the secondary array, split data

volume pairs defined between the remaining one primary array and primary array, because

these data volume pairs are affected by powering off of the arrays.

2. After splitting the pairs finishes, confirm that the status of all pairs is changed to PSUS at the

primary array.

3. Power off the primary array as described in When powering off primary arrays. Do not power

on the primary array yet.

4. Power off the secondary array as described in When powering off secondary arrays.

5. Power on the secondary array.

6. If the secondary array is ready to resume remote copy operations, power on the primary

array.

7. If the primary array is ready to resume remote copy operations, resume data volume pairs

that were split at the primary array. Confirm that the status of data volume pairs changed to

COPY or PAIR.

When powering off network relay devices

To power off a network relay device during remote copy operations, first ensure that all data

volume pairs or mirrors (that is, pairs of journal groups) are split and the status of all data volume

pairs is PSUS.

If data volume pairs are split and the network relay device is powered off as mentioned above,

use the following procedure to resume remote copy operations:

1. Power on the network relay device.

2. If the network relay device is ready for remote copy operations, restore data volume pairs

that were split, and confirm that the status of data volume pairs is COPY or PAIR. This operation

must be performed at the primary site.

204 Power management for arrays and network relay devices

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Hp XP Continuous Access Software Manuel d'utilisateur Page 204