Dell PowerVault ML6000 - Manual (Page 29)

PowerVault ML6000 SCSI Reference Guide 19
Unit Serial Number Page (80h)
Peripheral Qualifier – The return value 000b indicates that the library supports the peripheral device type
at the specified LUN. This field returns 011b if no peripheral device types are supported at that LUN.
Peripheral Device Type – For Media Changer logical units, this field returns 01000b (08h) to indicate it is
a Media Changer device. For the Controller logical unit, this field returns 01100b (0Ch) to indicate it is a
Controller device. If an unsupported LUN was specified, this field returns 11111b (1Fh), which indicates that
the device type is unknown.
Page Code – Returned as 80h, indicating this page.
Page Length – Returned as 18h, indicating the remaining number of bytes following this field.
Serial Number – The value returned for this field is the serial number for the system, prefixed with the
vendor identification. The serial number is padded with trailing spaces as needed to complete the 24 bytes.
For example:
DELL123456789 or DELL123456789_LL1
If the serial number cannot be obtained, the serial number portion is replaced with zeros followed by trailing
spaces. For example:
DELL000000000
Table 12 Unit Serial Number Page (80h)
Bit
Byte
7 6 5 4 3 2 1 0
0 Peripheral Qualifier Peripheral Device Type
1 Page Code (80h)
2 Reserved
3 Page Length
4
Serial Number
27