APC RAID Subsystem SCSI-SATA II Instrukcja Użytkownika Strona 68
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5.2 RG migration
To migrate the RAID level, please follow below procedures.
1. Select “/ Volume configuration / RAID group”.
2. Check the gray button next to the RG number; click “Migrate”.
3. Change the RAID level by clicking the down arrow to “RAID 5”. There will be a
pup-up which indicates that HDD is not enough to support the new setting of
RAID level, click “Select PD” to increase hard drives, then click “Confirm“ to
go back to setup page. When doing migration to lower RAID level, such as the
original RAID level is RAID 6 and user wants to migrate to RAID 0, system will
evaluate whether this operation is safe or not, and appear a warning message of
"Sure to migrate to a lower protection array?”.
Figure 5.2.1
4. Double check the setting of RAID level and RAID PD slot. If there is no problem,
click “Next“.
5. Finally a confirmation page shows the detail of RAID information. If there is no
problem, click “Confirm” to start migration. System also pops up a message of
“Warning: power lost during migration may cause damage of data!” to give
user warning. When the power is abnormally off during the migration, the data is
in high risk.
6. Migration starts and it can be seen from the “status” of a RG with “Migrating”.
In “/ Volume configuration / Virtual disk”, it displays a “Migrating” in
“Status” and complete percentage of migration in “R%”.
Figure 5.2.2
(Figure 5.2.2: A RAID 0 with 3 physical disks migrates to RAID 5 with 4 physical disks.)
Figure 5.2.3
To do migration, the total size of RG must be larger or equal to the original RG. It
does not allow expanding the same RAID level with the same hard disks of original
RG.
The below operations are not allowed when a RG is being migrated. System would
reject these operations:
RAG362
- Toll Free: 1-888-865-6888 1
- Subsystem 2
- Important Safeguards 3
- Legal Information 4
- Safety Instructions 4
- Preface 5
- Chapter 1 Overview 8
- 1.2 RAID concepts 10
- 1.2.1 Terminology 11
- 1.2.2 RAID levels 13
- 1.3 iSCSI concepts 14
- Figure 1.3.1 15
- Chapter 2 Installation 17
- Chapter 3 Quick setup 19
- Figure 3.1.3.1 20
- 3.1.4 Web UI 22
- 3.2.1 Quick installation 24
- 3.2.2 Volume creation wizard 25
- Figure 3.2.2.3 26
- Figure 3.2.2.4 26
- Chapter 4 Configuration 27
- 4.2 System configuration 28
- 4.2.2 IP address 29
- 4.2.3 Login setting 29
- 4.2.4 Mail setting 30
- 4.2.5 Notification setting 31
- 4.3 iSCSI configuration 32
- 4.3.2 NIC 33
- 4.3.3 Node 35
- 4.3.4 Session 36
- 4.4 Volume configuration 37
- Physical disk 38
- 4.4.2 RAID group 41
- Figure 4.4.2.1 42
- Figure 4.4.2.2 42
- 4.4.3 Virtual disk 44
- 4.4.4 Snapshot 49
- 4.4.6 Example 53
- Figure 4.4.6.5 55
- Figure 4.4.6.6 55
- Figure 4.4.6.7 56
- Figure 4.4.6.8 56
- 4.5 Enclosure management 57
- 4.5.1 SES configuration 58
- 4.5.2 Hardware monitor 59
- 4.5.4 UPS 60
- Figure 4.5.4.2 61
- 4.6 System maintenance 62
- Upgrade 63
- 4.6.4 Import and export 64
- 4.6.5 Event log 64
- 4.7 Logout 65
- 5.1 Volume rebuild 66
- 5.2 RG migration 68
- 5.3 VD extension 69
- Figure 5.4.1 70
- Figure 5.4.1.1 71
- Figure 5.4.1.2 71
- 5.4.2 Auto snapshot 72
- 5.4.3 Rollback 72
- 5.4.4 iSnap constraint 73
- Figure 5.4.4.1 74
- 5.5 Disk roaming 75
- VD clone 76
- Figure 5.6.3 77
- Figure 5.6.4 77
- Figure 5.6.5 77
- Figure 5.6.6 77
- Figure 5.6.7 78
- Figure 5.6.8 78
- Figure 5.6.9 78
- Figure 5.6.10 79
- Figure 5.6.11 79
- Figure 5.6.12 79
- Figure 5.6.13 79
- Figure 5.6.14 80
- Figure 5.6.15 80
- 5.7 MPIO and MC/S 81
- Figure 5.7.1 82
- 5.8 Trunking and LACP 83
- Chapter 6 Troubleshooting 85
- EMS events 86
- RMS events 87
- LVM events 87
- Snapshot events 89
- Battery backup events 89
- System maintenance events 90
- HAC events 90
- 6.3 How to get support 91
- Appendix 92
- SATA 2.5” 94
- B. Microsoft iSCSI initiator 95
- Figure B.3 96
- Figure B.4 96
- Figure B.5 97
- Figure B.6 97
- Figure B.7 98
- Figure B.8 98
- - 100 99
- Figure B.9 99
- Figure B.10 99
- - 102 101
- Figure B.13 101
- Figure B.14 101
- - 103 102
- Figure B.15 102
- Figure B.16 102
- Figure B.17 103
- Figure B.18 103
- - 104 103
- 27. Click “OK” 104
- System information 105
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