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PowerEdge R210 Technical Guide 13
up-to-date information, see the Operating System Support Matrix for Dell PowerEdge
Systems on Dell.com.
2.2.3 eSATA
External Serial Advanced Technology Attachment (eSATA) serves as an external
interface for SATA technologies. For customers who want fast (up to 1.5Gbit/s), easy-
to-use external storage that has advanced features such as S.M.A.R.T. (Self-
Monitoring, Analysis, and Reporting Technology) protection, eSATA may be a good
choice.
eSATA devices are not bootable when BIOS is set to RAID mode and are not supported
as a part of Virtual Disks when in RAID mode for S100.
To operate eSATA devices in the Red Hat
®
Enterprise Linux
®
4.8 environment, the BIOS
mode must be manually switched from default (AHCI mode) to ATA mode.
Table 3. eSATA Modes
Mode Bootable Hot-Pluggable Restrictions
ATA mode Yes No
AHCI mode Yes Yes RHEL 4.8 is not supported.
RAID mode (S100
enabled)
No No Linux and Virtualization OS are not
supported