Apple Xserve RAID User's guide Technical Information download pdf (Page 24)

24 Chapter 2

7 Repeat this procedure for any WWPN identiﬁers for which you want to map and mask arrays.

8 Click Apply Now.

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

Note: You do not have to map an array to the host computer that was used to create the

array. You can map an array to any host computer that is connected to the Xserve RAID

system on which the array resides.

Adding Software RAID to Two or More Arrays

Once you’ve set up arrays with RAID Admin, you can add either striping or mirroring

to two or more arrays using the Disk Utility application. Disk Utility is part of Mac OS X

(or Mac OS X Server) and is stored in the Utilities folder inside the Applications folder.

Adding software striping to RAID arrays increases efﬁciency of data transfer and storage.

Adding software mirroring to RAID arrays increases data protection.

Note: You must use Disk Utility on the host computer to add software RAID to two

or more arrays.

To add software RAID to two or more arrays:

1 Open Disk Utility on the host system and click the RAID tab.

2 Drag the arrays you want to stripe or mirror from the left side of the window to the Disk list

at the center of the window.

Note: You must use two or more arrays to create a software RAID set.

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Apple Xserve RAID User's guide Technical Information Page 24