Promise Technology EX4650, EX8658, EX8654, EX8650 manual Management with WebPAM PRO

	Contents
Chapter 5: Management with WebPAM PRO, cont.
Managing Logical Drives, cont.
Running Redundancy Check	.170
Viewing the Logical Drive Check Table	.170
Managing Spare Drives	.172
Viewing a List of Spare Drives	.172
Creating a Spare Drive	.173
Deleting Spare Drive	.174
Making Spare Drive Settings	.174
Running Spare Check	.175
Working with the Logical Drive Summary	.176
Viewing a List of All Logical Drives	.176
Locating a Logical Drive	.176
Viewing Individual Logical Drive Information	.177

Chapter 6: Management with the CLI . . . . . . . . . . . . . . . . . . . . . . . .179 Opening the CLI on Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . .179 Opening the CLI on Linux, FreeBSD, and VMware . . . . . . . . . . . .180 Table of Supported Commands . . . . . . . . . . . . . . . . . . . . . . . . . . .181 Notes and Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183 List of Supported Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . .184

Chapter 7: Technology Background . . . . . . . . . . . . . . . . . . . . . . . .219 Introduction to RAID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219 RAID 0 – Stripe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220 RAID 1 – Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .221 RAID 1E – Enhanced Mirror . . . . . . . . . . . . . . . . . . . . . . . . . .222 RAID 5 – Block Striping with Distributed Parity . . . . . . . . . . . .223 RAID 6 – Block and Double Parity Stripe . . . . . . . . . . . . . . . .224 RAID 10 – Mirror / Stripe . . . . . . . . . . . . . . . . . . . . . . . . . . . . .225 RAID 50 – Striped Distributed Parity . . . . . . . . . . . . . . . . . . . .226 RAID 60 – Striping of Double Parity . . . . . . . . . . . . . . . . . . . .229 Choosing a RAID Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232 RAID 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232 RAID 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232 RAID 1E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233 RAID 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233 RAID 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .234 RAID 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .234 RAID 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235 RAID 60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235

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