Lenovo 30BA User Manual page 60

• RAID 0: striped disk array
– Consists of at least two SATA or Serial Attached SCSI (SAS) storage drives
– Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB
– Better performance without fault tolerance
• RAID 00: spanned storage drive group with a series of RAID 0 storage drive groups
– Consists of two or four SATA or SAS storage drives
– Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB
– Better performance without fault tolerance
• RAID 1: mirrored disk array
– Consists of two or four SATA or SAS storage drives
– Improved read performance and 100% redundancy
• RAID 10: striped and mirrored disk array (a combination of RAID 0 and RAID 1)
– Consists of four SATA or SAS storage drives
– Data being striped across storage drive groups
– Provides both high data transfer rates and complete data redundancy
• RAID 5: block-level striped disk array with distributed parity
– Consists of at least three SATA or SAS storage drives
– Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB
– Better performance and fault tolerance
– Available only on some models of AVAGO MegaRAID adapters
• RAID 6: block-level striped disk array with dual distributed parity
– Consists of at least four SATA or SAS storage drives
– Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB
– Better performance and fault tolerance that can stand up to loss of two storage drives
– Available only on some models of AVAGO MegaRAID adapters
Creating a RAID volume
Attention: All the existing data stored on the selected drives will be erased while the RAID volume is being
created.
To create a RAID volume, do the following:
1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 37.
2. Select Advanced ➙ AVAGO MegaRAID Configuration Utility and press Enter.
3. Select Main Menu and press Enter.
4. Select Configuration Management and press Enter.
5. Select Create Virtual Drive and press Enter.
6. Select and configure the options one by one.
a. Select RAID Level: You can set the RAID level to one of the following:
• RAID0
• RAID1
• RAID5
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P720 User Guide