Hp XP20000XP24000 Disk Array Instrukcja Użytkownika Pobierz pdf (Strona 42)

5. Select the Apply button.

The settings in the window are applied to the storage system. The speciﬁed volume is reserved

as a migration destination.

Tip:

If you right-click a volume preceded by the blue icon (reserved volume of Auto LUN) and then

choose Normal LDEV from the pop-up menu, the selected icon changes to

and you will not be

able to use the volume as a migration destination.

Notes:

• When you click the Apply button one time, up to 64 volumes can be reserved as migration

destinations. If you click the Apply button to reserve more than 64 volumes, an error occurs. To

reservemorethan64volumes,you must follow the aboveprocedure at leasttwice. For example,

if you want to reserve 100 volumes, you need to reserve 64 or fewer volumes and then reserve

the remaining volumes.

• Avolumeprecededbythe green

icon is reserved by a program other than Auto LUN and you

cannot change the attribute of the volume by using the pop-up menu.

Migrating Volumes Manually

To migrate volumes manually, you must create migration plans. A migration plan is a pair of a source

volume and the corresponding target (destination) volume. A migration plan is prepared for each

volume that you want to migrate.

In manual migration, you can specify an external volume in an external volume group as a source

volume or a target volume of migration.

Caution:

When performing a series of manual migration operations, remember that the conﬁguration

changes after each migration is complete.

To migrate volumes manually:

1. Start Auto LUN (see “Starting Auto LUN” on page 41) and select the Manual Plan tab in the

Auto LUN window (Figure 13 on page 28).

2. In the tree, double-click a folder icon of parity group (or an external volume group).

A list of parity groups or external volumes is displayed.

A list of volumes in that parity group (or external volume group) is displayed. Volumes that

can be migrated is indicated by the

icon. Usage rate of the parity groups are displayed

if you select the Display usage rate. button.

Note

:the Display usage rate. button is togglable. If the button is held down, usage rates are

displayed. If the button is not held down, usage rates are not displayed. Usage rates are not

displayed in initial state of this tab.

3. Select the parity group icon that includes the volume you want to migrate.

The list of volumes that are belonged to the parity group is displayed in the LDEVs list.

4. Select thevolumeyou want to migratefrom the LDEVs and click the Target button.

Auto LUN ﬁnds the volumes that can be used as target volumes and displays the list of the

volumes in the Target (Reserved) LDEV list.

5. Select the target volume from the volumes displayed in the Target LDEV and click the Graph

button.

The Graph window appears and the estimated value of the performance after migration of

the selected volume is displayed.

6. Check the estimated results in Source LDEV, Target LDEV on the Graph window and click the

Close button.

The Graph window is closed.

• If you anticipate getting the desired disk performance, go to the next step:

• If not, return to step 2 or 3 to change thesourceand target volumes.

• To migrate the volumes that are already decided, you can skip the operations step 5 and

step 6.

7. Select the Set button.

42 Auto LUN Operations

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 52 53

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