User Guide Page v
3.3.2 Check on new volume in Disk Management of Windows ................................................................3-11
3.3.3 Check on new volume by fdisk command on Linux .........................................................................3-11
4. Using RAIDGuardX GUI ................................................................................................................. 4-1
4.1 RAIDGuardX Overview ........................................................................................................ 4-1
4.1.1 RAIDGuardX at a Glance ...................................................................................................................4-2
4.1.1.1 Menu Bar ...................................................................................................................................4-2
4.1.1.2 RAIDGuard X main console .....................................................................................................4-3
4.1.2 Adding Controller ...............................................................................................................................4-4
(1) DAS – add controller locally ..................................................................................................................4-4
(2) SAN – add controller remotely ...............................................................................................................4-5
4.1.3 Planning your RAID ...........................................................................................................................4-6
4.1.4 Creating an Array ...............................................................................................................................4-7
4.1.5 Email Notification ............................................................................................................................4-11
4.1.6 Preference .........................................................................................................................................4-12
4.1.6.1 Disk Lag Proof Mode ..............................................................................................................4-12
4.1.6.2 NCQ ........................................................................................................................................4-13
4.1.6.3 SMART Mode .........................................................................................................................4-13
4.1.6.4 Beeper .....................................................................................................................................4-14
4.1.6.5 Equalization Mode ..................................................................................................................4-14
4.1.6.6 Cache .......................................................................................................................................4-15
4.1.6.7 MISC .......................................................................................................................................4-16
4.1.7 Option ...............................................................................................................................................4-17
4.1.7.1 Slicing .....................................................................................................................................4-17
4.1.7.2 LUN Map ................................................................................................................................4-19
4.1.7.3 Expansion ................................................................................................................................4-20
4.1.7.4 Migrations ...............................................................................................................................4-21
4.1.7.5 Snapshot ..................................................................................................................................4-24
4.1.7.6 Health Center ..........................................................................................................................4-27
4.1.7.7 Unlock Drives .........................................................................................................................4-28
4.1.8 Updating the ExaSAN RAID system Firmware ...............................................................................4-29
4.1.8.1 Preparing the Firmware Update Files ......................................................................................4-29
4.1.8.2 Installing the Firmware Update Files ......................................................................................4-29
5. RAID Overview ................................................................................................................................. 5-1
5.1 How RAID Works .................................................................................................................. 5-1
5.2 Data Storage Methods ............................................................................................................ 5-1
5.2.1 Data Striping .......................................................................................................................................5-1
5.2.2 Data Mirroring ....................................................................................................................................5-1
5.2.3 Data Parity ..........................................................................................................................................5-2
5.3 RAID Levels ............................................................................................................................ 5-2
5.3.1 RAID 0: Striping .................................................................................................................................5-2
5.3.2 RAID 1: Mirroring ..............................................................................................................................5-2
5.3.3 RAID 5: Independent data disks with distributed parity .....................................................................5-2
5.3.4 RAID 6: Independent data disks with two Independent parity schemes .............................................5-2
5.3.5 RAID 0+1: Striped set with Mirroring ................................................................................................5-3
6. Appendices ........................................................................................................................................ 6-1
Appendix A: FAQs .............................................................................................................................. 6-2
Appendix B: Icons ............................................................................................................................... 6-4
Appendix C: Customer Service and Support .................................................................................... 6-6
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