Computer Accessories User Manual
Table Of Contents
- Title Page
- Table of Contents
- About this User Guide
- Getting Started with Your 3ware RAID Controller
- Introducing the 3ware® 9590SE-4ME RAID Controller
- 3DM 2 (3ware Disk Manager) Introduction
- Configuring Your Controller
- Configuring Units
- Maintaining Units
- Checking Unit and Drive Status
- About Degraded Units
- About Inoperable Units
- Alarms, Errors, and Other Events
- Background Tasks
- Scheduling Background Tasks
- Locating a Drive by Blinking Its LED
- Maintaining Your Controller
- 3DM 2 Reference
- Troubleshooting
- Appendices
- Index
Changing An Existing Configuration
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Figure 22. RAID Level Migration Example
Typically, a unit is reconfigured with the same or more storage capacity.
Sometimes additional drives are added. The following table shows valid
reconfigurations, some of which will require the addition of more drives.
Table 7: Valid Migration Paths
Destination
Source R0 R1 R5 R10 Single Spare
R0
YesNoYesYesNoNo
R1
Yes No Yes Yes Yes No
R5
YesNoYesYesNoNo
R10
Yes No Yes
Yes
a
a. When migrating a RAID 10 to a RAID 10, the only change you can
make is the stripe size.
No No
Single
Yes Yes Yes Yes No No
Spare
No No No No No No