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@@ -4,7 +4,7 @@ Introduction
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============
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The Chelsio T3 ASIC based Adapters (S310, S320, S302, S304, Mezz cards, etc.
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-series of products) supports iSCSI acceleration and iSCSI Direct Data Placement
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+series of products) support iSCSI acceleration and iSCSI Direct Data Placement
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(DDP) where the hardware handles the expensive byte touching operations, such
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as CRC computation and verification, and direct DMA to the final host memory
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destination:
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@@ -31,9 +31,9 @@ destination:
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the TCP segments onto the wire. It handles TCP retransmission if
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needed.
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- On receving, S3 h/w recovers the iSCSI PDU by reassembling TCP
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+ On receiving, S3 h/w recovers the iSCSI PDU by reassembling TCP
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segments, separating the header and data, calculating and verifying
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- the digests, then forwards the header to the host. The payload data,
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+ the digests, then forwarding the header to the host. The payload data,
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if possible, will be directly placed into the pre-posted host DDP
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buffer. Otherwise, the payload data will be sent to the host too.
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@@ -68,9 +68,8 @@ The following steps need to be taken to accelerates the open-iscsi initiator:
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sure the ip address is unique in the network.
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3. edit /etc/iscsi/iscsid.conf
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- The default setting for MaxRecvDataSegmentLength (131072) is too big,
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- replace "node.conn[0].iscsi.MaxRecvDataSegmentLength" to be a value no
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- bigger than 15360 (for example 8192):
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+ The default setting for MaxRecvDataSegmentLength (131072) is too big;
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+ replace with a value no bigger than 15360 (for example 8192):
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node.conn[0].iscsi.MaxRecvDataSegmentLength = 8192
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Karen Xie