Msi X2-109 v2 User Manual download pdf (Page 106)

B-4

MS-9265 Server

2.2 IM Features

LSI Logic Integrated Mirroring and Integrated Mirroring Enhanced support the follow-

ing features:

Configurations of one or two IM or IME volumes on the same LSI Logic SAS

controller. Each volume can consist of two mirrored disks (IM) or three to eight

mirrored disks (IME).

(Optional) One global hot spare disk per controller. If a global hot spare disk is

defined, the upper limit for an IME volume is seven mirrored disks.

Mirrored volumes run in optimal mode or in degraded mode (if one mirrored disk

fails)

Hot swap capability

Presents a single virtual drive to the OS for each IM/IME volume

Supports both SAS and SATA disks, although the two types of disks cannot be

combined on the same LSI Logic SAS controller

Fusion-MPT architecture

Easy-to-use BIOS-based configuration utility (and DOS-based configuration

utility for manufacturing use only)

Error notification: OS-specific event log updated by drivers and errors dis-

played inside the Fusion-MPT BIOS

SES status LED support for Integrated Mirroring disks

Write journaling, which allows automatic synchronization of potentially incon-

sistent data after unexpected power-down situations

Metadata used to store volume configuration on mirrored disks

Automatic background resynchronization while host I/Os continue

Background media verification ensures that data on the IM volume is acces-

sible

9265v1.0-B(LSI SAS RAID).p65 2008/5/15, 上午 11:444

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Msi X2-109 v2 User Manual Page 106