DELL 34XX Benutzerhandbuch

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Parameter
Description
segmentSize
Amount of data (in KB) that the RAID controller module writes 
on a single physical disk in a virtual disk before writing data on 
the next physical disk. Valid values are 8, 16, 32, 64, 128, 256, or 
512. For information about the segmentSize parameter, see 
Using The Auto Configure Command.
enclosureLossProtect
Specifies that enclosure loss protection is enforced when 
creating the disk group. To enforce enclosure loss protection, 
set this parameter to TRUE. The default setting is FALSE. For 
information about the enclosureLossProtect parameter, see 
Enclosure Loss Protection.
drawerLossProtect
The setting to enforce drawer loss protection when you create 
the replication repository disk group. To enforce drawer loss 
protection, set this parameter to TRUE. The default value is 
FALSE.
dssPreAllocate
The setting to make sure that reserve capacity is allocated for 
future segment size increases. The default value is TRUE.
securityType
The setting to specify the security level when creating the disk 
groups and all associated virtual disks.
• none—The disk group and virtual disks are not secure.
• capable—The disk group and virtual disks are capable of 
having security set, but security has not been enabled.
• enabled—The disk group and virtual disks have security 
enabled.
For information about securityType, see Security Type.
usageHint
The setting for both cacheReadPrefetch parameter and the 
segmentSize parameter to be default values. The default values 
are based on the typical I/O usage pattern of the application 
that is using the virtual disk. Valid values are fileSystem, 
dataBase, or multiMedia.
dataAssurance
The setting to specify that a disk pool has data assurance 
protection to make sure that the data maintains its integrity. 
When you use this parameter, only protected physical disks can 
be used for the disk pool.
These settings are valid:
• none – The disk pool does not have data assurance 
protection.
• enabled – The disk pool has data assurance protection. The 
disk pool supports protected information and is formatted 
with protection information enabled.
The default value is none.
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