Dell PowerEdge R740 iDRAC9 with Lifecycle Controller Version 3.30.30.30 RACADM - Page 524
Storage.VirtualDisk.DiskCachePolicy Read or Write, Storage.VirtualDisk.ReadPolicy Read or Write,
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Storage.VirtualDisk.DiskCachePolicy (Read or Write) Table 1299. Storage.VirtualDisk.DiskCachePolicy Description Legal Values Set the physical disk drive caching policy of all members of a Virtual Disk by enabling the Disk Cache Policy. When this feature is enabled, the physical disk drive writes data to the physical disk drive cache before writing it to the physical disk drive. Because it is faster to write data to the cache than to a disk, enabling this feature can improve system performance. • Default • Enabled • Disabled Default value Default Write Privilege Server Control License Required iDRAC Express or iDRAC Enterprise Dependency None Storage.VirtualDisk.ReadPolicy (Read or Write) Table 1300. Storage.VirtualDisk.ReadPolicy Description The read policies indicate whether or not the controller must read sequential sectors of the virtual disk when seeking data. NOTE: Storage.VirtualDisk.ReadPolicy attribute is read-only for few PERCs-for example, H330. Legal Values • No Read Ahead • Read Ahead NOTE: Previous generations of PERC controllers support read policy settings of No Read Ahead, Read Ahead, and Adaptive Read Ahead. With PERC 8 and PERC 9, the Read Ahead and Adaptive Read Ahead settings are functionally equivalent at the controller level. For backward compatibility purposes, some systems management interfaces and PERC 8 and 9 controllers still allow setting the read policy to Adaptive Read Ahead. While it is possible to set Read Ahead or Adaptive Read Ahead on PERC 8 or PERC 9, there is no functional difference. Default value Adaptive Write Privilege Server Control License Required iDRAC Express or iDRAC Enterprise Dependency None Storage.VirtualDisk.T10PIStatus (Read or Write) Table 1301. Storage.VirtualDisk.T10PIStatus (Read or Write) Description This property indicates if T10 PI is enabled or disabled on this virtual disk. NOTE: Can be disabled only if the current value for this object is enabled. Legal Values • 0 - Disabled • 1 - Enabled Default value 0 - Disabled Write Privilege Server Control License Required iDRAC Express or iDRAC Enterprise Dependency None 524 Database Objects With Get and Set Commands
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