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Managing Network File Systems in Oracle
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Solaris 11.2
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Troubleshooting Network File Systems
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Commands for Troubleshooting NFS Problems
Updated: July 2014
Managing Network File Systems in Oracle
®
Solaris 11.2
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Chapter 1 About Network File Systems
About the NFS Service
About Autofs
NFS Terminology
NFS Servers and Clients
NFS File Systems
Features of the NFS Service
NFS Version 2 Protocol
NFS Version 3 Protocol
NFS Version 4 Protocol
Controlling NFS Versions
NFS ACL Support
NFS Over TCP
NFS Over UDP
Overview of NFS Over RDMA
Network Lock Manager and NFS
NFS Large File Support
NFS Client Failover
Kerberos Support for the NFS Service
WebNFS Support
RPCSEC_GSS Security Flavor
Extensions for NFS Mounting
Security Negotiation for the WebNFS Service
NFS Server Logging
Autofs Features
Significant Changes in the Oracle Solaris 11 Release
Chapter 2 Network File System Features
How the NFS Service Works
NFS Over RDMA
Version Negotiation in NFS
Features in NFS Version 4
Unsharing and Resharing a File System in NFS Version 4
File System Namespace in NFS Version 4
Volatile File Handles in NFS Version 4
Client Recovery in NFS Version 4
OPEN Share Support in NFS Version 4
Delegation in NFS Version 4
ACLs and nfsmapid in NFS Version 4
ID Mapping Problems
Checking for Unmapped User IDs or Group IDs
UDP and TCP Negotiation
File Transfer Size Negotiation
How File Systems Are Mounted in NFS Version 3
Effects of the public Option and NFS URLs When Mounting
Client-Side Failover
What Is a Replicated File System?
Failover and NFS Locking
Client-Side Failover in NFS Version 4
How NFS Server Logging Works
How the WebNFS Service Works
How WebNFS Security Negotiation Works
WebNFS Limitations With Web Browser Use
Secure NFS Systems
Secure RPC
DH Authentication
Using Secure RPC With NFS
How Mirror Mounts Work
Mounting a File System Using Mirror Mounts
Unmounting a File System Using Mirror Mounts
How NFS Referrals Work
When to Use NFS Referrals
Creating an NFS Referral
Removing an NFS Referral
How Autofs Works
How Autofs Navigates Through the Network (Maps)
Autofs Maps
Master Autofs Map
Mount Point /home
Mount Point /net
Mount Point /nfs4
Direct Autofs Maps
Mount Point /-
Indirect Autofs Maps
How Autofs Starts the Navigation Process (Master Map)
Autofs Mount Process
Simple Autofs Mount
Hierarchical Mounting
Autofs Unmounting
How Autofs Selects the Nearest Read-Only Files for Clients (Multiple Locations)
Autofs and Weighting
Variables in an Autofs Map Entry
Maps That Refer to Other Maps
Executable Autofs Maps
Default Autofs Behavior With Name Services
Autofs Reference
Autofs and Metacharacters
Ampersand (&)
Asterisk (*)
Autofs and Special Characters
Chapter 3 Administering Network File Systems
About Administering Network File Systems
Automatic File System Sharing
File System Sharing (Task Map)
How to Set Up Automatic File System Sharing
How to Enable NFS Server Logging
Mounting File Systems
Mounting File Systems (Task Map)
How to Mount a File System at Boot Time
How to Mount a File System From the Command Line
Mounting With the Automounter
How to Mount All File Systems From a Server
How to Use Client-Side Failover
How to Disable Mount Access for One Client
How to Mount an NFS File System Through a Firewall
Mount an NFS File System by Using an NFS URL
How to Mount an NFS File System by Using an NFS URL
Displaying Information About File Systems Available for Mounting
Setting Up the NFS Service
Starting and Stopping the NFS Service
Starting and Stopping the Automounter
Selecting Different Versions of NFS
How to Select Different Versions of NFS on a Server
How to Select Different Versions of NFS on a Client
How to Use the mount Command to Select Different Versions of NFS on a Client
Administering the Secure NFS System
How to Set Up a Secure NFS Environment With DH Authentication
Administering WebNFS
Planning for WebNFS Access
How to Enable WebNFS Access
Accessing an NFS URL by Using a Browser
Enabling WebNFS Access Through a Firewall
Administering NFS Referrals
How to Create and Access an NFS Referral
How to Remove an NFS Referral
Administering FedFS
Set Up a DNS Record for a FedFS Server
How to Create a Namespace Database
How to Use a Secured Connection to the NSDB
How to Create a FedFS Referral
Chapter 4 Administering Autofs
Autofs Administration
Using SMF Parameters to Configure Your Autofs Environment
How to Configure Your Autofs Environment Using SMF Parameters
Administrative Tasks Involving Maps
Modifying the Maps
How to Modify the Master Map
How to Modify Indirect Maps
How to Modify Direct Maps
Avoiding Mount Point Conflicts
Accessing Non-NFS File Systems
Customizing the Automounter
Setting Up a Common View of /home
How to Set Up /home With Multiple Home Directory File Systems
How to Consolidate Project-Related Files Under a Common Directory
How to Set Up Different Architectures to Access a Shared Namespace
How to Support Incompatible Client Operating System Versions
How to Replicate Shared Files Across Several Servers
Autofs Security Restrictions
How to Apply Autofs Security Restrictions
How to Use a Public File Handle With Autofs
How to Use NFS URLs With Autofs
Disabling Autofs Browsability
How to Completely Disable Autofs Browsability on a Single NFS Client
How to Disable Autofs Browsability for All Clients
How to Disable Autofs Browsability on a Selected File System
Chapter 5 Commands for Managing Network File Systems
NFS Commands
automount Command
clear_locks Command
fsstat Command
mount Command
mount Options for NFS File Systems
Using the mount Command
umount Command
mountall Command
umountall Command
sharectl Command
set Subcommand
get Subcommand
status Subcommand
share Command
share Options
NFS-Specific share Options
Setting Access Lists With the share Command
unshare Command
shareall Command
unshareall Command
showmount Command
nfsref Command
FedFS Commands
Chapter 6 Troubleshooting Network File Systems
Strategies for NFS Troubleshooting
Commands for Troubleshooting NFS Problems
nfsstat Command
pstack Command
rpcinfo Command
snoop Command
truss Command
NFS Troubleshooting Procedures
How to Check Connectivity on an NFS Client
How to Check the NFS Server Remotely
How to Verify the NFS Service on the Server
How to Restart NFS Service
Identifying the Host Providing the NFS Service
How to Verify Options Used With the mount Command
Troubleshooting Autofs
Error Messages Generated by automount v
Miscellaneous Error Messages
Other Errors With Autofs
NFS Error Messages
Chapter 7 Accessing Network File Systems
NFS Files
/etc/default/nfslogd File
/etc/nfs/nfslog.conf File
NFS Daemons
automountd Daemon
lockd Daemon
mountd Daemon
nfs4cbd Daemon
nfsd Daemon
nfslogd Daemon
nfsmapid Daemon
Configuration Files and the nfsmapid Daemon
Precedence Rules
nfsmapid and DNS TXT Records
Checking for the NFS Version 4 Domain
Configuring the NFS Version 4 Default Domain
Configuring an NFS Version 4 Default Domain in the Oracle Solaris 11 Release
Configuring an NFS Version 4 Default Domain in the Solaris 10 Release
Additional Information About nfsmapid
reparsed Daemon
statd Daemon
Index
Index Numbers and Symbols
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 R
Index S
Index T
Index U
Index V
Index W
Language:
English
Commands for Troubleshooting NFS Problems
This section describes the commands you can use for troubleshooting NFS problems.
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