Apple Xserve RAID: Using RAID 1.2 Admin and Disk Utility Manuale Utente Scaricare il pdf (Pagina 42)

42 Chapter 4 Using Advanced Features of RAID Admin

8 Repeat this procedure for all LUNs and hosts you want to map, using the Add Host

button to enter a new WWPN for that host.

9 You can make other adjustments in LUN masking with the buttons below the list of

LUNs on the right. These adjustments include:

• All On: maps all LUNs to the selected host

• All Off: maps no LUNs to the selected host

• Copy: copies LUN map settings for the selected host

• Paste: applies the previously copied LUN map settings to the selected host

10 Click OK.

The LUN masking takes effect when the Xserve RAID system restarts.

Verifying or Rebuilding Parity for an Array

You can verify the integrity of an array that uses parity (RAID 3 or 5) on an Xserve RAID

system. If necessary, you can also rebuild the parity data for an array.

Note: Verifying or rebuilding parity on an array does not affect the file system or the

data on the array. These procedures make sure the array’s data is protected and verify

the integrity of the RAID set.

When you verify or rebuild parity for an array, the operation takes several hours and the

results are reported in the list of events (in the Events pane of the RAID Admin

window).

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Apple Xserve RAID: Using RAID 1.2 Admin and Disk Utility Manuale Utente Pagina 42