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Example 2
Example 2 will create two UDVs in one VG. One UDV shares global cache volume while the other
uses dedicated cache volume. First, a dedicated cache volume should be created; it will be useful in
creating UDV. The last protion will show how to delete all confi gurations.
Each UDV is associated with one specifi c CV (cache volume) to execute the data transmission. Each
CV could have different cache memory size. If there is no special request in UDVs, it will use global
cache volume. User can create a dedicated cache for individual UDV manually. Using dedicated
cache volume, the performance would not be affected by the data access of other UDVs that using
global CV.
The total cache size depends on the RAM size and all the size will be confi gured as global spare
cache automatically. To create a dedicated cache volume, the fi rst step is to cut down the global
spare cache size for the dedicated cache volume.
Step 1 Create dedicated cache volume
Figure 4.6.6.8
1. Select “/Volume confi g/Cache volume”.
2. If there is no enough space for creating a new dedicated cache volume, cut down the global spare
cache size fi rst by clicking the blue button “ ” in the size fi eld. After re-allocation of the volume
size, click “ ” to return to cache volume page
3. Click “ ” to enter the confi gure page
4. Fill in the size and click “ ”
Remind : The minimum size of global cache volume is 40MB. The minimum size of dedicated cache volume is 20MB.
Step 2 Create VG (Volume Group)
To create the VG, please follow the steps below.
1. Select “/Volume confi g /Volume group”
2. Click “ ”
3. Input a VG Name. Choose a RAID level from the list. Click “ ” to choose the
the physical disk in the RAID, click “ ”. Since we will create a spare disk, do not
select all disk and leave one physical disk for spare disk creation.
4. Confi rm the results. Click “ ” if all the settings are correct
5. A VG will be created after the confi rmation.
RAID Introduction 41
- 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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