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several hours.
RAID: The RAID level of the UDV. This was chosen during the VG creation.
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#LUN: Number of LUNs that the UDV is using. 1 LUN must be attached before use with a
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computer. See section 6.6.5 for more information on attaching a LUN.
VG name: The name of the VG associated with the UDV.
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CV (MB): The cache volume of the UDV.
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5.5.4 Cache Volume
The Cache volume screen allows the creation and management of multiple caches. By default, a global
cache using all of the cache memory is created and automatically assigned to all UDVs created.
The cache volume screen displays the following information:
No.: The number of the cache. Global cache is always first. Click the button below to view more
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information.
Size: The size of the cache. By default, the global cache uses all available cache space. If you
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wish to create additional caches, you must click on the button below the size of the global cache
and enter a number lower than the maximum value, then click Confirm. This frees up space to
create a new cache. Now click Create, enter the desired size of the new cache, and click
Confirm. The new cache will now be an option under "CV No." when creating a new UDV.
UDV name: The name of the UDV associated with the cache. Global is default for all UDVs.
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5.5.5 Logical Unit
The Logical Unit is what your computer will use to access and manage SCSI devices. In order to access
a UDV, you will need to attach a Logical Unit Number (LUN) to that UDV. To attach a LUN, click the
Attach button:
The following options are available:
UDV: Choose the UDV to which you wish to attach a LUN.
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Host: The Host field is filled with an asterisk by default, meaning that any host can access the
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UDV. You may change the field if you wish to limit access to specific hosts.
LUN: The LUN field allows you to select which LUN to attach to the UDV. The default option is
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normally acceptable.
Permission: Choose Read-write or Read-only for accessing the UDV.
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R T X - U R U s e r ' s M a n u a l
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