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[DSS V7] iSCSI target tuning settings in DSS V7

Article ID: 3221
Last updated: 22 Apr, 2020

Additional information:

  • product name: DSS V7
  • product version: pre and post up57
  • build: all

Subject:

iSCSI target tuning settings in DSS V7

Contents:

Suggested values for iSCSI target tuning settings.

DSS V7 in versions preceding up57 come with the following iSCSI target configuration settings as default. Please make sure the same values are applied to the initiator side as well.
Connection to the target must be reinitiated in order for the changes to take effect.

QueuedCommands=8
DataDigest=None
MaxOutstandingR2T=32
InitialR2T=No
FirstBurstLength=65536
MaxRecvDataSegmentLength=1048576
HeaderDigest=None
MaxXmitDataSegmentLength=1048576
ImmediateData=Yes
MaxBurstLength=1048576


DSS V7 up57 and later come with the following iSCSI target configuration settings:

QueuedCommands=32
DataDigest=None
MaxOutstandingR2T=32
InitialR2T=No
FirstBurstLength=65536
MaxRecvDataSegmentLength=1048576
HeaderDigest=None
MaxXmitDataSegmentLength=1048576
ImmediateData=Yes
MaxBurstLength=1048576
 

Note: For targets created in versions of DSS V7 preceding up57, the iSCSI settings will have to be corrected on the DSS V7 side as well.

Note: To access the SCSI tuning settings in DSS V7:
DSS V7 CLI console: CTRL+ALT+W > Tuning options > iSCSI daemon options > Target options

Note: In cases where not all of the above settings are available on the initiator side (Vmware or Hyper-V) apply changes only to those, which are.

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Article ID: 3221
Last updated: 22 Apr, 2020
Revision: 1
Views: 0
Posted: 22 Apr, 2020 by Szewczyk P.
Updated: 22 Apr, 2020 by Rybak M.
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