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Oracle Solaris 10 8/11 Installation Guide: Planning for Installation and Upgrade     Oracle Solaris 10 8/11 Information Library
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Part I Overall Planning of Any Oracle Solaris Installation or Upgrade

1.  Where to Find Oracle Solaris Installation Planning Information

2.  What's New in Oracle Solaris Installation

3.  Oracle Solaris Installation and Upgrade (Roadmap)

4.  System Requirements, Guidelines, and Upgrade (Planning)

5.  Gathering Information Before Installation or Upgrade (Planning)

Part II Understanding Installations That Relate to ZFS, Booting, Oracle Solaris Zones, and RAID-1 Volumes

6.  ZFS Root File System Installation (Planning)

7.  SPARC and x86 Based Booting (Overview and Planning)

8.  Upgrading When Oracle Solaris Zones Are Installed on a System (Planning)

9.  Creating RAID-1 Volumes (Mirrors) During Installation (Overview)

10.  Creating RAID-1 Volumes (Mirrors) During Installation (Planning)

System Requirement

State Database Replicas Guidelines and Requirements

Selecting Slices for State Database Replicas

Choosing the Number of State Database Replicas

Distributing State Database Replicas Across Controllers

RAID-1 and RAID-0 Volume Requirements and Guidelines

Custom JumpStart and Live Upgrade Guidelines

RAID Volume Name Requirements and Guidelines for Custom JumpStart and Live Upgrade

Guidelines for Selecting Disks and Controllers

Guidelines for Selecting Slices

Booting Into Single-User Mode Causes Mirror to Appear to Need Maintenance



Booting Into Single-User Mode Causes Mirror to Appear to Need Maintenance

If a system with mirrors for root (/), /usr, and swap is booted into single-user mode, the system indicates that these mirrors are in need of maintenance. When you view these mirrors with the metastat command, these mirrors, and possibly all mirrors on the system, appear in the “Needing Maintenance” state.

Though this situation appears to be potentially dangerous, do not be concerned. The metasync -r command, which normally occurs during boot to resynchronize mirrors, is interrupted when the system is booted into single-user mode. After the system is rebooted, the metasync -r command runs and resynchronizes all mirrors.

If this interruption is a concern, run the metasync -r command manually.

For more information about the metasync, see the metasync(1M) man page, and Solaris Volume Manager Administration Guide.