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5.3 UDV Expansion
To expand UDV size, please follow the steps below.
1. Select “/Volume confi g/User data volume”
2. Select the UDV to be expanded and click the “ ” button next to the number in the Size fi eld.
3.
Change the volume size. The volume size must be larger than the original value. Then click
“ ” to start expansion
4. Expansion starts. If UDV needs initialization, it will display an “I” in “Status 3” fi eld and the progress
percentage “R%”
Remind : The volume of UDV expansion must be larger than original value
Note : UDV expansion cannot be executed during rebuilding or migration
5.4 Disk roaming
Physical disks can exchange to different slot in the same system or be completely moved from system 1
to system 2. This is called disk roaming. Disk roaming is restricted by the following conditions:
1. Check the fi rmware version of the two systems. It is recommended that both systems are using
the same fi rmware.
2. The VG included in whole physical disks should be moved together. The architectures of the VG
and UDV will be kept but LUN architecture will be cleared to avoid confl ict with system 2.
5.5 Support Microsoft MPIO and MC/S
MPIO (Multi-Path Input/Output) and MC/S (Multiple Connections per Session) both use multiple physical
paths to create logical paths between the server and the storage device. Under regular use, in case
one or more connections fail, the transmission is supposed to stop. But multi-path users can adopt an
alternate path for I/O to make sure that the data access is still working.
Microsoft iSCSI initiator supports multi-path function, please follow the steps below to use the MPIO function.
1. A host with dual LAN ports is connected to Sans Digital iSCSI Series Products
2. Create a VG/UDV and attach this UDV to the host
3. When install “Microsoft iSCSI initiator”, install MPIO driver at the same time
4. Login to target separately on each port. When login to target, confi rm “Enable multi-path”. Please
refer to step 6 in Appendix D
5. MPIO mode can be selected by Targets Æ Details Æ Devices Æ Advanced
6. Rescan the disk
7. There will be one disk running MPIO
For detailed confi gure steps, please refer to Appendix E: MPIO and MC/S Confi gure Instructions. The
confi gure steps for MC/S are very similar to that for MPIO, please refer to Appendix E.
52 RAID Introduction
- EliteRAID 1
- MobileRAID 1
- Forewords 2
- ER104I Quick Install Guide 3
- MR4I Quick Install Guide 5
- Contents 8
- Chapter 1 RAID Introduction 10
- RAID Introduction 11 11
- 2.1 What is iSCSI? 12
- 2.2 Using iSCSI 12
- 2.3 Glossary 13
- Chapter 3 Installation 14
- 3.2 Management Methods 15
- RAID Introduction 16
- RAID Introduction 17 17
- RAID Introduction 19 19
- RAID Introduction 21 21
- 3.3 System Control 22
- 3.3.1 LCM (SL5650) 22
- 3.3.2 System Buzzer 23
- Chapter 4 GUI Overview 24
- 4.2 Login 25
- 4.3 Quick install 26
- 4.4 System confi g 27
- 4.4.1 System name 27
- 4.4.2 IP address 28
- 4.4.3 Language 28
- 4.4.4 Login Confi g 28
- 4.4.5 Password 29
- 4.4.6 Date 29
- 4.4.7 E-Mail 29
- 4.4.9 System log Server 30
- 4.4.10 Event log 30
- 4.5 iSCSI confi g 31
- 4.5.1 Entity property 31
- 4.5.2 NIC 31
- 4.5.3 Node 32
- 4.5.4 Session 32
- 4.5.5 CHAP account 32
- 4.6 Volume confi g 33
- 4.6.1 Physical disk 33
- RAID Introduction 34
- 4.6.2 Volume group (VG) 35
- 4.6.4 Cache volume (CV) 36
- 4.6.5 Logical unit number 37
- 4.6.6 Example 37
- RAID Introduction 39 39
- RAID Introduction 41 41
- RAID Introduction 43 43
- 4.7 Enclosure Management 45
- 4.7.1 SES confi g 45
- 4.7.2 Hardware Monitor 45
- 4.7.4 UPS 46
- 4.8 Maintenance 47
- 4.8.1 Upgrade 47
- 4.8.2 Info 48
- 4.8.3 Reset to default 48
- 4.8.5 Shutdown 48
- 4.9 Logout 49
- Chapter 5 Advanced Operation 50
- RAID Introduction 51 51
- 5.3 UDV Expansion 52
- 5.4 Disk roaming 52
- 6.1 Sharing Resources 53
- 6.3 Remote Access 54
- Appendix 55
- B. Event notifi cations 57
- • System confi g events 58
- • LVM events 58
- RAID Introduction 59 59
- D. Microsoft iSCSI Initiator 61
- Figure D.3 62
- Figure D.4 62
- Figure D.5 63
- Figure D.6 63
- Figure D.7 64
- Figure D.8 65
- C. Click “Log off” 65
- • Network diagram of MPIO 66
- Figure E.1 66
- RAID Introduction 67 67
- SANS DIGITAL 68
- Figure E.8 69
- Figure E.9 69
- Figure E.10 70
- Figure E.11 70
- Figure E.12 71
- • Log on 71
- • Log on again 73
- Figure E.16 73
- Figure E.17 73
- Figure E.18 74
- Figure E.19 75
- Figure E.20 75
- SANS DIGITAL iSCSI 76
- RAID Introduction 77 77
- • Log on 78
- Figure E.25 78
- • Then click “Advanced” 78
- Figure E.26 78
- Then click “OK” 79
- Figure E.27 79
- Figure E.28 80
- Figure E.29 80
- RAID Introduction 81 81
- Figure F.1 82
- Figure F.2 83
- Figure F.3 83
- • Click “OK” 83
- Figure F.4 83
- Figure F.5 84
- RAID Introduction 85 85
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