Post on 28-Dec-2015
DSU UCL 2006 1
Presentation 1 Semester 1 2006/2007
- ISCSI Target Server Migration8 September 2006
By Dominic They Yu Shu
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Working phases
Study and analysis on ISCSI Initiator code ISCSI Target setup Initiator code modification and connection
testing
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ISCSI Initiator Code Analysis
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Major Components
@Disk Mobile application Developed by KT User interface to access remote storage device
SCSI Driver Driver for Mobile device to interface with SCSI
Disk ISCSI Driver (Initiator)
ISCSI Initiator Driver to interface with ISCSI Target
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TCP/IP
Network
Interoperation Between Components
@Disk Application
Pocket PC 2003 OS
SCSI Driver
Initiator Driver
Pocket PC
SCSI Disks
Tar
get
Dri
ver
HT
TP
Gat
eway
KT Databases
User
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Activities Table 1
Activities By From To
1Key in Username and
Password User Keyboard aDisk
2 Press Login button User TouchScreen aDisk
3 Get KT SAID aDisk Registry aDisk
4 Get InitiatorID aDisk Registry/ KT
Http gateway aDisk
5 Get NasIP (Target IP) aDisk Registry aDisk
6Log in by Username,
Password, and SAID aDisk aDiskKT Http
gateway
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Activities Table 2
Activities By From To
7 Activate ISCSI Session aDisk aDisk aDisk
8 ~ Activate ISCSI Device by ISCSI
Driver Registry Key aDisk aDiskPPC
2003
9 ~ Get Disk Info by NasIP and
InitiatorID aDiskKT Http
gateway aDisk
10 ~ Write Disk Info aDisk aDisk Registry
11 ~ Activate SCSI Device by SCSI
Driver Registry Key aDisk aDiskPPC
2003
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Activities Table 3
Activities By From To
12 Prepare Disk aDisk aDiskISCSI
Target
13 ~ Format aDisk aDiskISCSI
Target
14 ~ Partition aDisk aDiskISCSI
Target
15 ~ Mount aDisk aDiskISCSI
Target
16 Use the Disk aDisk aDiskISCSI
Target
17 ………
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Initiator Modification
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Activities Table 1
Activities By From To
1Key in Username and
Password User Keyboard aDisk
2 Press Login button User TouchScreen aDisk
3 Get KT SAID aDisk Registry aDisk
4 Get InitiatorID User User aDisk
5 Get NasIP (Target IP) User User aDisk
6Log in by Username,
Password, and SAID aDisk aDiskKT Http
gateway
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Activities Table 2
Activities By From To
7 Activate ISCSI Session aDisk aDisk aDisk
8 ~ Activate ISCSI Device by ISCSI
Driver Registry Key aDisk aDiskPPC
2003
9 ~ Get Disk Info by NasIP and
InitiatorID aDiskKT Http
gateway aDisk
10 ~ Write Disk Info aDisk aDisk Registry
11 ~ Activate SCSI Device by SCSI
Driver Registry Key aDisk aDiskPPC
2003
How to insert driver register key?
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Activities Table 3
Activities By From To
12 Prepare Disk aDisk aDisk ISCSI Target
13 ~ Format aDisk aDisk ISCSI Target
14 ~ Partition aDisk aDisk ISCSI Target
15 ~ Mount aDisk aDisk ISCSI Target
16 Use the Disk aDisk aDisk ISCSI Target
17 ………
No Changes Required
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Problems
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Problems Faced
Compilation Problems Library path configuration Linking configuration
Testing Problems Language Support of Emulator Regedit for Pocket PC 2003
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Problem Might Face
Initiator – Target communication problem Initiator = aDisk Target = UNH ISCSI Target (1.5/1.6/1.7) DeviceIoControl( hISCSI, ISCSI_IOCTL_LOGIN,
(void *)&iSCSILoginParams, sizeof(ISCSI_LOGIN_PARAMS_T), &m_DiskInfo, sizeof(ISCSI_PARAMS_T), NULL, NULL)
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Following Tasks
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Following Tasks
ISCSI Target setup Initiator code modification and connection
testing
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FAQ
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END
Thank you