Dell PowerVault ML6000 Dell PowerVault ML6000 SCSI Reference Guide - Page 49
Fibre Channel Logical Unit Control h), Enable Modify Data Pointers EMDP
View all Dell PowerVault ML6000 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 49 highlights
Connect Time Limit - This field indicates the maximum duration of an interconnect tenancy. A value of 0 is returned to indicate that there is no connect time limit. Maximum Burst Size - This field indicates the maximum amount of data that will be transferred during a single data transfer operation. The value is expressed in increments of 512 bytes. A value of 4 is returned, indicating a maximum burst size of 2048 bytes. Enable Modify Data Pointers (EMDP) - This field indicates whether data transfers are allowed to be reordered. A value of 1 is returned to indicate that data transfers can be re-ordered. Fair Arbitration - This field indicates whether fair or unfair arbitration is used when requesting an interconnect tenancy. A value of 000b is returned to indicate that the various fairness algorithms may not be used. Disconnect Immediate (DIMM) - A value of 0 is returned to indicate that data may be transferred for a command during the same interconnect tenancy in which the command was received. Data Transfer Disconnect Control (DTDC) - A value of 000b is returned to indicate that data transfer disconnect control is not used. First Burst Size - This field indicates the maximum amount of data that may be transferred along with a command. A value of 0 is returned to indicate that there is no first burst size limit. Fibre Channel Logical Unit Control Page (18h) The Fibre Channel Logical Unit Control mode page reports logical unit behavior for the Fibre Channel Protocol. This page is not available on the SCSI interface. Table 38 Fibre Channel Logical Unit Control Page (18h) Bit Byte 7 6 5 4 3 2 1 0 0 PS Rsvd Page Code (18h) 1 Parameter List Length = 06h 2 Reserved Protocol Identifier (0h) 3 Reserved EPDC 4 Reserved 5 Reserved 6 Reserved 7 Reserved Parameters Savable (PS) - This page is not savable, and this field is set to zero. Page Code - This field identifies the Fibre Channel Logical Unit Control mode page and returns 18h. Parameter List Length - This field is set to 06h. Protocol Identifier - This field returns 0 to indicate the Fibre Channel protocol. Enable Precise Delivery Checking (EPDC) - This field returns 0 to indicate that the Fibre Channel Command Reference Number is not checked to verify that command packets are received in order. PowerVault ML6000 SCSI Reference Guide 39