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Solaris 11.3
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Managing the ZFS Root Pool
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Managing a ZFS Root Pool
Updated: May 2019
Managing ZFS File Systems in Oracle
®
Solaris 11.3
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Chapter 1 Introducing the Oracle Solaris ZFS File System
What's New in ZFS for Oracle Solaris 11.3?
Oracle Solaris ZFS Features
Components of a ZFS Storage Pool
Using Disks in a ZFS Storage Pool
Using Files in a ZFS Storage Pool
Redundancy Features of a ZFS Storage Pool
Mirrored Storage Pool Configuration
RAID-Z Storage Pool Configuration
ZFS Hybrid Storage Pool
Dynamic Striping in a Storage Pool
Chapter 2 Getting Started With Oracle Solaris ZFS
Hardware and Software Requirements
Planning the ZFS Implementation
Naming ZFS Components
Identifying Storage Requirements
Choosing the Type of Data Redundancy
Determining the ZFS File System Hierarchy
Selecting the File System Granularity
Grouping File Systems
Choosing File System Properties
Chapter 3 Creating and Destroying Oracle Solaris ZFS Storage Pools
Creating ZFS Storage Pools
How to Set Up ZFS on a System
Creating a Mirrored Storage Pool
Creating a RAID-Z Storage Pool
Creating a ZFS Storage Pool With Log Devices
Creating a ZFS Storage Pool With Cache Devices
Doing a Dry Run of Storage Pool Creation
Handling ZFS Storage Pool Creation Issues
Devices Actively Being Used
Mismatched Redundancy Levels
Default Mount Point for Storage Pools Not Empty
Destroying ZFS Storage Pools
Chapter 4 Managing Devices in Oracle Solaris ZFS Storage Pools
Adding Devices to a Storage Pool
Removing Devices From a Storage Pool
Attaching and Detaching Devices in a Storage Pool
Splitting a Mirrored Storage Pool to Create a New Pool
Taking Devices in a Storage Pool Offline or Returning Online
Clearing Storage Pool Device Errors
Replacing Devices in a Storage Pool
How to Replace a Device in a Storage Pool
Working With Hot Spares in Storage Pools
Designating Hot Spares in a Storage Pool
Activating and Deactivating Hot Spares in Your Storage Pool
Chapter 5 Managing Oracle Solaris ZFS Storage Pools
Managing ZFS Storage Pool Properties
Querying ZFS Storage Pool Status
Displaying Information About ZFS Storage Pools
Displaying Information About All Storage Pools or a Specific Pool
Displaying Specific Storage Pool Statistics
Displaying Pool Devices by Physical Locations
Displaying ZFS Storage Pool Command History
Viewing I/O Statistics for ZFS Storage Pools
Listing Pool-Wide I/O Statistics
Listing Virtual Device I/O Statistics
Determining the Health Status of ZFS Storage Pools
Storage Pool Health Status
Gathering ZFS Storage Pool Status Information
Migrating ZFS Storage Pools
Preparing for ZFS Storage Pool Migration
Exporting a ZFS Storage Pool
Determining Available Storage Pools to Import
Importing ZFS Storage Pools
Importing a Pool With a Missing Log Device
Importing a Pool in Read-Only Mode
Importing a Pool By Using a Specific Device Path
Recovering Destroyed ZFS Storage Pools
Upgrading ZFS Storage Pools
Chapter 6 Managing the ZFS Root Pool
Requirements for Configuring the ZFS Root Pool
ZFS Root Pool Space Requirements
ZFS Root Pool Configuration Recommendations
Installing the ZFS Root Pool
Managing a ZFS Root Pool
How to Configure a Mirrored Root Pool (SPARC or x86/EFI (GPT))
How to Configure a Mirrored Root Pool (SPARC or x86/VTOC)
How to Update a ZFS Boot Environment
How to Mount an Alternate BE
Replacing Disks in a ZFS Root Pool
How to Replace a Disk in a ZFS Root Pool
Managing ZFS Swap and Dump Devices
Viewing Swap and Dump Information
How to Create a Swap Volume
How to Create a Dump Volume
Adjusting the Sizes of ZFS Swap and Dump Devices
Troubleshooting ZFS Dump Device Issues
Booting From a ZFS Root File System
Booting From an Alternate Root Pool Disk
Alternate Boot Disks on SPARC Systems
Alternate Boot Disks on x86 Systems
Booting From a ZFS Root File System on a SPARC Based System
SPARC: How to Select the Boot Environment for Booting
Booting From a ZFS Root File System on an x86 Based System
x86: Displaying the Root File System
x86: Fast Rebooting a ZFS Root File System
Booting for Recovery Purposes in a ZFS Root Environment
Chapter 7 Managing Oracle Solaris ZFS File Systems
Introduction to ZFS File Systems
Creating, Destroying, and Renaming ZFS File Systems
How to Create a ZFS File System
How to Destroy a ZFS File System
How to Rename a ZFS File System
Introducing ZFS Properties
ZFS Read-Only Native Properties
Settable ZFS Native Properties
The canmount Property
The casesensitivity Property
The copies Property
The dedup Property
The encryption Property
The recordsize Property
The share.smb Property
The volsize Property
ZFS User Properties
Querying ZFS File System Information
Listing Basic ZFS Information
Creating Complex ZFS Queries
Managing ZFS Properties
Setting ZFS Properties
Inheriting ZFS Properties
Querying ZFS Properties
Basic Querying With the –all Option
Querying ZFS Properties for Scripting
Mounting ZFS File Systems
Managing ZFS Mount Points
Automatic Mount Points
Legacy Mount Points
Mounting ZFS File Systems
Using Temporary Mount Properties
Unmounting ZFS File Systems
Sharing and Unsharing ZFS File Systems
Legacy ZFS Sharing Syntax
New ZFS Sharing Syntax
ZFS Sharing with Per-Property Inheritance
ZFS Sharing Inheritance in Older Pools
ZFS Named Shares
ZFS Automatic Shares
Displaying ZFS Share Information
Changing ZFS Share Property Values
Publishing and Unpublishing ZFS Shares
Removing a ZFS Share
ZFS File Sharing Within a Non-Global Zone
ZFS Sharing Migration/Transition Issues
Troubleshooting ZFS File System Sharing Problems
Setting ZFS Quotas and Reservations
Setting Quotas on ZFS File Systems
Setting User and Group Quotas on a ZFS File System
Setting Default User and Group Quotas
Setting Reservations on ZFS File Systems
Compressing ZFS File Systems
Encrypting ZFS File Systems
Changing an Encrypted ZFS File System's Keys
Managing ZFS Encryption Keys
Delegating ZFS Key Operation Permissions
Mounting an Encrypted ZFS File System
Upgrading Encrypted ZFS File Systems
Interactions Between ZFS Compression, Deduplication, and Encryption Properties
Examples of Encrypting ZFS File Systems
Migrating ZFS File Systems
How to Migrate a File System to a ZFS File System
Upgrading ZFS File Systems
Chapter 8 Working With Oracle Solaris ZFS Snapshots and Clones
Overview of ZFS Snapshots
Creating and Destroying ZFS Snapshots
Holding ZFS Snapshots
Renaming ZFS Snapshots
Displaying and Accessing ZFS Snapshots
Rolling Back a ZFS Snapshot
Identifying ZFS Snapshot Differences (zfs diff)
Type of File and Directory Changes Being Reported
Displaying Recursive ZFS Snapshot Differences
Overview of ZFS Clones
Creating a ZFS Clone
Destroying a ZFS Clone
Replacing a ZFS File System With a ZFS Clone
Saving, Sending, and Receiving ZFS Data
Saving ZFS Data With Other Backup Products
Types of ZFS Snapshot Streams
Sending a ZFS Snapshot
Receiving a ZFS Snapshot
Applying Different Property Values to a ZFS Snapshot Stream
Retaining Original Property Values
Disabling Original Property Values
Sending and Receiving Complex ZFS Snapshot Streams
Remote Replication of ZFS Data
Monitoring ZFS Pool Operations
Copying ZFS Files
Chapter 9 Oracle Solaris ZFS Delegated Administration
Overview of ZFS Delegated Administration
Disabling ZFS Delegated Permissions
Delegating ZFS Permissions
Delegating ZFS Permissions (zfs allow)
Removing ZFS Delegated Permissions (zfs unallow)
Delegating ZFS Permissions Examples
Displaying ZFS Delegated Permissions Examples
Removing ZFS Delegated Permissions Examples
Chapter 10 Oracle Solaris ZFS Advanced Topics
ZFS Volumes
Using a ZFS Volume as a Swap or Dump Device
Using a ZFS Volume as an iSCSI LUN
How to Use a ZFS Volume as an iSCSI LUN
Using ZFS on an Oracle Solaris System With Zones Installed
Adding ZFS File Systems to a Non-Global Zone
Delegating Datasets to a Non-Global Zone
Adding ZFS Volumes to a Non-Global Zone
Using ZFS Storage Pools Within a Zone
Managing ZFS Properties Within a Zone
Understanding the zoned Property
Copying Zones to Other Systems
Using a ZFS Pool With an Alternate Root Location
Creating a ZFS Pool With an Alternate Root Location
Importing a Pool With an Alternate Root Location
Importing a Pool With a Temporary Name
Chapter 11 Oracle Solaris ZFS Troubleshooting and Pool Recovery
Identifying ZFS Problems
Resolving General Hardware Problems
Identifying Hardware and Device Faults
System Reporting of ZFS Error Messages
Identifying Problems With ZFS Storage Pools
Determining If Problems Exist in a ZFS Storage Pool
Reviewing ZFS Storage Pool Status Information
Overall Pool Status Information
ZFS Storage Pool Configuration Information
ZFS Storage Pool Scrubbing Status
ZFS Data Corruption Errors
Resolving ZFS Storage Device Problems
Resolving a Missing or Removed Device
Resolving a Removed Device
Physically Reattaching a Device
Notifying ZFS of Device Availability
Replacing or Repairing a Damaged Device
Determining the Type of Device Failure
Clearing Transient or Persistent Device Errors
Replacing a Device in a ZFS Storage Pool
Changing Pool Devices
Resolving Data Problems in a ZFS Storage Pool
Resolving ZFS Space Issues
ZFS File System Space Reporting
ZFS Storage Pool Space Reporting
Checking ZFS File System Integrity
File System Repair
File System Validation
Controlling ZFS Data Scrubbing
Repairing Corrupted ZFS Data
Identifying the Type of Data Corruption
Repairing a Corrupted File or Directory
Repairing Corrupted Data With Multiple Block References
Repairing ZFS Storage Pool-Wide Damage
Repairing a Damaged ZFS Configuration
Repairing an Unbootable System
Chapter 12 Recommended Oracle Solaris ZFS Practices
Recommended Storage Pool Practices
General System Practices
ZFS Storage Pool Creation Practices
General Storage Pool Practices
Root Pool Creation Practices
Non-Root Pool Creation Practices
Pool Creation Practices on Local or Network Attached Storage Arrays
Pool Creation Practices for an Oracle Database
Using ZFS Storage Pools in VirtualBox
Storage Pool Practices for Performance
ZFS Storage Pool Maintenance and Monitoring Practices
Recommended File System Practices
Root File System Practices
File System Creation Practices
Monitoring ZFS File System Practices
Appendix A Oracle Solaris ZFS Version Descriptions
Overview of ZFS Versions
ZFS Pool Versions
ZFS File System Versions
Glossary
Index
Index A
Index B
Index C
Index D
Index E
Index F
Index G
Index H
Index I
Index K
Index L
Index M
Index N
Index O
Index P
Index Q
Index R
Index S
Index T
Index U
Index V
Index W
Index X
Index Z
Language:
English
Managing a ZFS Root Pool
This section provides procedures for managing the ZFS root pool.
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