Chelsio Communications Chelsio T5 User's Guide download pdf (Page 127)

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Chapter VII. iSCSI PDU Offload Target

Chelsio T5/T4 Unified Wire For Linux Page 127

Where:

<path>

Is the path to the actual storage device, such as /dev/sdb for a block

device or /dev/md0 for a software RAID. The path must exist in the

system.

SYNC

When specified, the Target will flush all the data in the system cache to

the storage driver before sending response back to the Initiator.

4.7.3. Example Configuration of FILE Mode Storage

Below is an example:

target:

#<snip>

# software raid /dev/md0 is accessed in FILE mode

TargetDevice=/dev/md0,FILE

#<snip>

4.7.4. BLK Mode Storage Device Details

The BLK mode storage device is suitable for high-speed storage attached to the target system:

The BLK mode can accommodate only block devices.

The device is accessed in the exclusive mode. The device should not be accessed (or

active) in any way on the target system.

Each device should be used for one and only one iSCSI target.

To configure a block storage device specify BLK as the device mode:

TargetDevice=<path to the storage device>,BLK

Where:

<path>

Is the path to the actual storage device, such as /dev/sdb. The path must

exist in the system.

target:

#<snip>

# /dev/sdb is accessed in BLK mode

TargetDevice=/dev/sdb,BLK

#<snip>

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