User`s guide

Chapter VII. iSCSI PDU Offload Target
Chelsio T5/T4 Unified Wire For Linux Page 115
Table of iSCSI Entity Settings
Key
Valid
Values
Default
Value
Multiple
Values
Description
MaxConnections
1 to 65535
1
No
Initiator and target negotiate the
maximum number of connections
requested/acceptable.
InitialR2T
“Yes”
“No”
“Yes”
No
To turn on or off the default use of R2T
for unidirectional and the output part of
bidirectional commands.
ImmediateData
“Yes”
“No”
“Yes”
No
To turn on or off the immediate data.
FirstBurstLength
512 to
16777215
(2
24
- 1)
65536
No
The maximum negotiated SCSI data in
bytes of unsolicited data that an iSCSI
initiator may send to a target during the
execution of a single SCSI command.
MaxBurstLength
512 to
16777215
(2
24
- 1)
262144
No
The maximum negotiated SCSI data in
bytes, of a Data-In or a solicited Data-
Out iSCSI sequence between the
initiator and target.
DefaultTime2Wait
0 to 3600
2
No
The minimum time, in seconds, to wait
before attempting an explicit / implicit
logout or connection reset between
initiator and target.
DefaultTime2Retain
0 to 3600
20
No
The maximum time, in seconds, after
an initial wait.
MaxOutstandingR2T
1 to 65535
1
No
The maximum number of outstanding
R2Ts per task.
DataPDUInOrder
“Yes”
“No”
“Yes”
No
To indicate the data PDUs with
sequence must be at continuously
increasing order or can be in any
order.
Chelsio only supports “Yes”.
DataSequenceInOrder
“Yes”
“No”
“Yes”
No
To indicate the Data PDU sequences
must be transferred in continuously
non-decreasing sequence offsets or
can be transferred in any order.
Chelsio only supports “Yes”.
ErrorRecoveryLevel
0 to 2
0
No
To negotiate the recovery level
supported by the node.
Chelsio only supports 0.
HeaderDigest
“None”
“CRC32C”
“None”
Yes
To enable or disable iSCSI header
Cyclic integrity checksums.
DataDigest
“None”
“CRC32C”
“None”
Yes
To enable or disable iSCSI data Cyclic
integrity checksums.
AuthMethod
“CHAP”
and “None”
“None,
CHAP”
Yes
To choose an authentication method
during login phase.
TargetName
“<target
name>”
No
A worldwide unique iSCSI target name.
Target only.
TargetAlias
“<target
alias>”
No
A human-readable name or description
of a target. It is not used as an
identifier, nor is it for authentication.
Target only.
MaxRecvDataSegmentLength
512 to
16777215
(2
24
- 1)
8192
No
To declare the maximum data segment
length in bytes it can receive in an
iSCSI PDU.
OFMarker
“Yes”
“No”
“No”
No
To turn on or off the initiator to target
markers on the connection.
Chelsio only supports “No”.