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WiebeTech RTX600H-UR User Manual Page 30

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WiebeTech LLC
R T X - U R U s e r ’ s M a n u a l - 30 -
Warning
UDV IO Fault Error: IO failure for stripe number <number> in UDV
<name>.
Warning
VG Failed Error: Failed to access VG <name>.
Warning
UDV Failed Error: Failed to access UDV <name>.
Warning
Global CV Adjustment Failed
Error: Failed to adjust the size of the global cache.
Info
Global Cache Info: The global cache is OK.
Error
Global CV Creation Failed Error: Failed to create the global cache.
Info
UDV Rename Info: UDV <name> has been renamed as <name>.
Info
VG Rename Info: VG <name> has been renamed as <name>.
Info
Set VG Dedicated Spare
Disks
Info: Assigned Disk <slot> to be VG <name>
dedicated spare disk.
Info
Set Global Disks Info: Assigned Disk <slot> to the Global Spare Disks.
Info
UDV Read-Only Info: UDV <name> is a read-only volume.
Info
WRBK Cache Policy Info: Used the write-back cache policy for UDV
<name>.
Info
WRTHRU Cache Policy
Info: Used the write-through cache policy for UDV
<name>.
Info
High priority UDV Info: UDV <name> is set to high priority.
Info
Mid Priority UDV Info: UDV <name> is set to mid priority.
Info
Low Priority UDV Info: UDV <name> is set to low priority.
Appendix C: Working with Volumes over 2TB in size
Although the RTX can create data volumes larger than 2TB, operating systems cannot usually access
such volumes. This is because most systems support only 32-bit LBA (Logical Block Addressing).
Newer operating systems (Windows Server 2003, Vista, Mac OS 10.5.x) should be able to use 2TB+
volumes without difficulty. You will simply need to do one of the following two things while creating the
UDV (User Data Volume):
• Change the LBA to 64-bit
• Increase the block size to 4096
Windows
Neither of the options above will work for Windows versions before Server 2003. You will need to make
more than one UDV, each less than 2000GB in size. Each UDV also needs a different LUN.
Mac OS
Although Mac OS 10.4.x supports only 32-bit LBA, increasing the block size to 4096 will allow you to
create a 2TB+ volume that is usable by the OS.
Linux
Versions of Linux vary, but using one of the above methods may allow you to create a 2TB+ volume that
your distribution can use.
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