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IBM N Series User Manual
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Note:
If
you
have
automatic
aggregate
Snapshot
copy
cr
eation
enabled,
you
should
not
decrease
the
size
of
the
aggr
egate
Snapshot
r
eserve
below
the
default
of
5
percent.
If
you
need
to
reclaim
the
space
being
used
for
the
aggregate
Snapshot
reserve,
disable
automatic
aggr
egate
Snapshot
copy
creation.
Changes
to
published
documentation
127
136
138
Table of Contents
Table of Contents
3
Data ONTAP 8.0.4 7-Mode Release Notes
11
Changes Introduced Since Data ONTAP 8.0
13
Changes Introduced in Data ONTAP 8.0.4 7-Mode Release
13
Changes in the Data ONTAP 8.0.3 7-Mode Release
15
Changes in the Data ONTAP 8.0.2 7-Mode Release
19
Changes in the Data ONTAP 8.0.1 7-Mode Release
23
New and Changed Features
27
New and Changed Platform and Hardware Support
29
Support for 1-TB Flash Cache Modules
29
Support for N6200 Series Storage Systems
29
Support for the N7X50T Series Storage Systems
30
Support for 512-GB and 256-GB Performance Acceleration Module (PAM II)
31
Support for Ssds
31
Support for 900-GB SAS Disks
31
Supported Tape Drives
31
Support for 3-TB SATA Disks
31
Support for 2-TB SATA Disks
31
Changes in Storage Expansion Unit Support
33
Support for EXN3500 Storage Expansion Units
33
Support for EXN3000 Storage Expansion Units
33
Manageability Enhancements
34
Reversion and Downgrade Support
34
SSH Server Version for Data ONTAP
34
Supported Openssh Client Versions
34
Support for a 64-Bit Root Volume
35
The Service Processor for the N6200 and N7X50T Series Storage Systems
35
Enhancements that Allow You to Specify SSL Versions
36
Root Aggregate Snapshot Reserve Values Reduced
36
SSL Security Improvements
37
Default Security Settings for Manageability Protocols
37
Requirement to Set Root Account Password
38
Uses of the Systemshell and the Diagnostic Account
38
Boot Menu Enhancements and Changes
38
Read Reallocation of Data
39
Extents for Flexvol Volumes
39
Partner Recipients for Autosupport Email Notifications
39
Autosupport Message File Attachments
40
New Disk Drive Autosupport Message Sent Weekly
40
Storage Resource Management Enhancements
41
Support for 64-Bit Aggregates
41
File Space Utilization Report
41
Upgrading to Data ONTAP 8.0.1 Increases Volume Capacity after Deduplication
42
Maximum Simultaneous Flexclone File or Flexclone LUN Operations Per Storage System
42
Support for Flexclone Files and Flexclone Luns on Vfiler Units
42
Increased Maximum RAID Group Size for SATA Disks
42
Ability to Decrease Maxfiles
42
High-Availability Pair (Formerly Active/Active Configuration) Enhancements
43
High-Availability Pair Terminology Changes
43
Networking and Security Protocols Enhancements
44
Ability to Block Data Traffic on the E0M Interface
44
Support for the SMB 2.0 Protocol
45
Support for CDP
45
Port-Based Load-Balancing Option for Multimode Interface Groups
45
TSO in Nics
45
64-Bit SNMP Object Identifiers (Oids) Are Supported
46
Configuration for Receiving Untagged Traffic on VLAN Tagged Interfaces
46
Vifs Are Now Known as Interface Groups
46
File Access Protocol Enhancements
47
Maximum Number of Auxiliary UNIX Groups Supported for a User
47
Support for Multiple Open Instances of the SMB Named Pipe on an Fpolicy Server
47
Block Protocols Enhancements
48
Iscsi RADIUS Support
48
Support for Data Motion for Volumes
48
Vmware VAAI Features for ESX Hosts Support
49
Igroup Scalability Limits
49
Data Protection Enhancements
50
Snapvault Update Schedules for Volume Snapmirror Destination Backups
50
Support for 840 Disk Drives on Fabric-Attached Metrocluster Configuration
51
Support for Out-Of-Order Frame Delivery for Snapmirror over Fibre Channel
51
Support for Snapmirror Relationship between Two Flexclone Volumes
51
Support for Snapmirror Network Compression
51
Support for Designated Range of Ports for NDMP Data Connections
52
If Volumes with Deduplication Exceed the Maximum Supported Size
52
Nearstore License Is Not Required for Deduplication
52
Maximum Concurrent Deduplication Operations Supported
52
Prerequisite for Backing up Data to Tape Using NDMP Services
52
Snapshot Copy Schedules
53
Snapmirror Support for 64-Bit Volumes
53
Snapvault Support for 64-Bit Volumes
53
Multistore Enhancements
53
New Option for the Vfiler Dr Configure Command
54
Changes to Multistore Support
55
Data Motion Is Not Supported in the Data ONTAP 8.0 7-Mode Release Family
55
New and Changed Commands and Options
57
New Commands in Data ONTAP 8.0 7-Mode
58
Changed Commands in Data ONTAP 8.0 7-Mode
62
Replaced or Removed Commands in Data ONTAP 8.0 7-Mode
66
New Options in Data ONTAP 8.0 7-Mode
67
Changed Options in Data ONTAP 8.0 7-Mode
69
Requirements for Running Data ONTAP 8.0 7-Mode
71
Firmware
72
Gateway Requirements and Support Information
73
Important Cautions
75
Unsupported Features
76
Upgrade and Revert Cautions
77
CIFS Startup Might Take Several Minutes after Cluster Failover Giveback
77
Change in Nondisruptive Upgrade Procedure
78
Upgrade Process Changes with Data ONTAP 7-Mode Software Images
79
Iscsi Traffic Not Supported on E0M and E0P Interfaces
80
New Flexvol Volume Space Requirements When Upgrading from a Release Earlier than Data ONTAP 7.3
80
Determining System Capacity and Space Guarantees before Upgrading to Data ONTAP 7.3 or Later
80
If Your Root Flexvol Volume Does Not Meet the New Size Requirements
81
Nondisruptive Upgrades on Systems with Vmware ESX Server Hosts
81
Requirements for Nondisruptive Upgrades on Systems with Deduplicated Volumes
82
New Reversion and Downgrade Procedures
82
Manageability Cautions
83
Certificates Signed with MD5 Could Cause Loss of Connectivity to Secure Clients
83
If You Need to Boot the Storage System from a Data ONTAP Image Stored on a Remote Server
83
TLS Is Not Supported in the Data ONTAP 8.0 Release Family
84
RLM over Ipv6 Not Supported in the Data ONTAP 8.0 Release Family
84
Storage Management Cautions
84
Disk Failures Might Increase for some Disk Models after Upgrading to this Version of Data ONTAP
84
Network Protocol Cautions
86
System Might Panic if the Network Configuration Entries in the /Etc/Rc File Are Not in the Recommended Order
86
Reconfiguring the Losk Interface Results in System Outage
86
Ipv6 Is Not Supported
86
Ipsec Is Not Supported
86
TOE Is Not Supported
86
File Access and Protocols Cautions
87
CIFS Setup Using ONTAPI Library Might Lead to the Removal of Already Existing User-Created CIFS Shares
87
Storage System Might Panic When Not Specifying an Export Path
87
FTPS Is Not Supported
87
SFTP Is Not Supported
88
Block Access Protocol Cautions
89
Non-ASCII Characters in the Comment String of the Lun Setup Command Result in System Panic
89
Identical Wwpns Can Occur on both Nodes in a Cluster
89
If You Use Solaris 10 and the Emlxs Fibre Channel Adapter Driver
89
Cfmode Support Change in Data ONTAP 8.0
89
Data Protection Cautions
91
Snapvalidator for Oracle Not Supported
91
Snaplock Is Not Supported
91
New RLM Firmware and Its Upgrade Requirements
95
Known Problems and Limitations
97
Manageability Issues
98
Cached Data in a Flash Cache Module Is Cleared During System Reboot and Takeover and Giveback
98
The Wrfile Command Might Fail to Capture All Input During a Cut-And-Paste Operation Performed through the RLM or SP
98
NTP Version Used to Communicate with a Newly Configured NTP Server Defaults to V3
99
RLM Configuration Is Not Saved if the Rlm's Ethernet Cable Is Not Connected
99
If Your System Uses Rtc or Rdate as the Protocol for Time Synchronization
99
Obsolete Timed Options
99
Issues Regarding the Timed Log
100
Shutdown Delay in N3400 Systems When Critical Thresholds Are Crossed
100
Storage Resource Management Issues
101
Writes to a LUN Fail When the Combined Size of the LUN and the Change Log Is Greater than the Volume Size
101
Configuring User Mapping for a Default User Quota with CIFS Licensed but Not Configured Could Severely Degrade Performance
101
After Changing the Port Assigned to ACP, a Reboot Is Required to Regain Use of the Original Port
101
Moving Disks to a System Running an Earlier Version of Data ONTAP Could Cause Disk Identification Issues
101
Data ONTAP Can Silently Select Varying Disk Sizes or Array LUN Sizes When Creating an Aggregate
102
Adding Disks When Varying Sized Disks Are in Use
102
Discovering What Disks Data ONTAP will Automatically Select
103
SSD Spare Blocks Consumed Limit Reported as N/A
103
High-Availability Pair Issues
104
Storage System in an HA Pair Might Get Rebooted During a Controller or NVRAM Replacement
104
If Takeover Is Enabled for Network Interface Failure, Automatic Giveback Should be Disabled
104
Network Protocol Issues
105
Partner Node Might be Unavailable During Controller Failover When an Interface Name Is Used as an Alternate Host Name in the /Etc/Hosts File
105
Change in Routing Configuration Maximum Value
105
NIS Group File Entries Should Not Exceed 1024 Characters Per Line
105
File Access Protocol Issues
106
Value of the Option Nfs.ifc.rcv.high Is Unexpectedly Reset
107
Enabling New EMS Messages to Help Troubleshoot Kerberos Issues
107
Microsoft Windows 7 Clients Fail to Rename Files and Directories
107
File Copy Operation on a Widelink Path Inside a CIFS Share Might Fail When Using SMB 2.X
108
Domain Controller Responds with an Access Denied Error to an SMB 2.X Tree Connect Request
108
Controlling NFS Requests from Nonreserved Ports
108
Enabling or Disabling Nfsv2
109
Error NFS4_BADOWNER When Nfsv4 Client Passes UID as String
109
Domain User Unable to Execute CLI Commands
110
CIFS Shares with Comment Ending with Backslash Disappear
110
Removing Stale Entries from the Access Cache
110
CIFS Authentication Failure with Windows Server 2008 R2 Read-Only Domain Controllers
110
Too Many CIFS Audit Files Can Cause System Performance Degradation
111
CIFS Client Authentication Fails if Host Name Exceeds 16 Characters
111
Failed CIFS Connections Due to Signature Mismatch
111
Configuring User Mapping for a Default User Quota with CIFS Licensed but Not Configured Could Severely Degrade Performance
111
Excessive Pending CIFS Authentication Requests Can Cause Service Disruption
112
Client Notification Messages in Windows Domains Require Netbios
112
Configuration Issue for Clients that Mount NFS Shares Using a Non-Reserved Port
112
Widelinks Are Not Accessible from Mac Clients
113
Empty Cifs/Smb2.X Change Notifications
113
Block Access Protocol Issues
114
Vstorage Priority Setting Is Not Persistent after a Reboot
114
Disks Offline in Windows 2008 after a Standard Upgrade
114
Iscsi Target HBA Support
114
If an Iscsi Target HBA Fails
115
If You Use the Automatic Sizing Feature on Thinly Provisioned Luns When Snap Reserve Is Set to a Non-Zero Value
115
Data Protection Issues
116
Tape Devices Behind Datafort Are Not Detected Unless a Known SCSI Device Is Mapped to LUN
116
Tape Backup and Volume Move Operations Must Not be Performed Simultaneously
117
Smtape Restore to an Offline Volume Overwrites the Data on that Volume
117
Deleted Files Occupy Additional Space on Smtape Restored Volumes
117
Limitations When Using Snapvault with Non-Default Vfiler Units
117
Restore Engine Does Not Honor any Mandatory or Advisory Locks on Files
118
Restore Operation to a Non-Existent Volume Restores Data to the Root Volume
119
Suboptimal Space Savings with Deduplication When 16-GB Performance Acceleration Module Is Installed
119
If You Use Datafabric Manager Server to Manage Snapmirror or Snapvault Relationships between Vfiler Units
119
Changes to Published Documentation
121
Changes to the Data ONTAP Upgrade and Revert/Downgrade Guide
122
Correction to the Information in the Planning Your Upgrade with Upgrade Advisor Topic
122
Updates to Software Image Installation Examples
122
Updated NDU Requirements
128
Additional Preparation for Nondisruptive Upgrades
128
Additional SAN Upgrade Requirement
130
Additional Requirement for AT-FCX Storage Expansion Unit Firmware Updates
130
AT-FC and AT-FC2 Shelves no Longer Supported
131
Changes to the System Administration Guide
132
Changes to BMC Command Information
132
Changes to Information about the /Etc/Rc File
132
Corrections to the Timed Options
133
Updated Password Requirements
133
Corrections for the Location of the Secureadmin.pem File
133
Correction to the Description of the Autosupport.to Option
133
Change in the Frequency of the Performance Autosupport Message
134
Use Flexshare with Hdds Only
134
Correction to the Free Space Required for Reallocation Scans
134
Changes to the Supported Openssh Client Versions
134
Changes to Storage System Configuration Backup and Restore
134
Changes to the Instructions on Editing the /Etc/Rc File
135
Terminology Changes for PAM and WAFL Extended Cache
136
Corrections for Root Flexvol Volume Size Requirement
136
Changes to the Root Aggregate and Root Volume Snapshot Reserve Values on New Systems
136
Changes to the Storage Management Guide
138
Corrections to the Data Compression Commands
138
Correction to the Availability of Flexclone Files and Flexclone Luns in Vfiler Contexts
139
Capacity Information for 3-TB Disks
139
Use Flexshare with Hdds Only
139
Incorrect Cross-Reference to Maximum Volume Size Information
139
Maximum Volume Size for Deduplication
139
Maximum Number of Mirrored Aggregates Per System
139
ACP Example Output Shows Incorrect IP Addresses
139
Using Disk Sanitization to Remove Data from Disks
140
Changes to the Software Setup Guide
142
Correction to the Setup Password Rules
142
Changes to the High-Availability Configuration Guide
142
Hardware-Assisted Takeover Support on Systems that Use Service Processor
143
Corrections to the Example in "Monitoring HA Pair Status" Topic
143
Changes to the Network Management Guide
143
Changes to Information about Routed Daemon
143
Supported SNMP Versions in Data ONTAP
144
TLS Not Supported in Data ONTAP 8.0
144
Changes to the File Access and Protocols Management Guide
145
Enabling or Disabling SFTP Log Files
145
Specifying the Maximum Size of the Current SFTP Log Files
145
Correction to Specifying the FTP Authentication Style
146
Incorrect Reference to Nonexistent SFTP Log Files
146
Updated Compatibility Information Available Online
146
Corrections to the Fpolicy Commands to Monitor Directory Operations
146
Unsupported Windows Features in the File Serving Environment
147
Nfsv4 Client Compatibility
147
FTP Server Does Not Support Unicode Characters
147
Changes to the Block Access Management Guide for Iscsi and FC
148
Correction to the DCB Setting Example
148
Correction to Links in the "Unified Ethernet Network Management" and "What Data Center Bridging Is" Topics
148
Setting Volume Options for the Autodelete Configuration
148
Correction to Configure Onboard Adapters for Target Mode
149
Changes to the Data Protection Online Backup and Recovery Guide
151
Corrections to Information about Deployment of Snapmirror over Fibre Channel
151
Connection Name Is Required to Enable Snapmirror Compression
151
Change to the Snapshot Copy Reserve Value
151
Single File Reversion to or from Symbolic Links Using Snaprestore Not Supported
152
Changes to the Data Protection Tape Backup and Recovery Guide
152
Support for Smtape Backup of Compressed Volumes
152
Designating Range of Ports for NDMP Data Connections
152
Changes to the Multistore Management Guide
154
Correction to the Effects of Storage System Reboot on a Vfiler Unit
154
Requirement for Backup and Replication Operations on Vfiler Units
154
Naming Guidelines for Vfiler Units
154
Snapmirror Relationship Schedules Are Not Modified for Existing Volumes
155
Corrections to the List of RSH and SSH Commands
155
Corrections to the Snapvault Support on Vfiler Units
155
Changes to the Storage Efficiency Management Guide
157
Corrections to Deduplication and Volume Snapmirror Information
157
Changes to the Gateway Implementation Guide
157
Changes to the Gateway Implementation Guide for Native Storage Expansion Units
157
Format Change for the Gateway Implementation Guides
158
Changes to the Gateway Metrocluster Guide
158
Websites
159
Copyright and Trademark Information
161
Trademark Information
162
Notices
165
Other manuals for IBM N Series
Installation Guide
62 pages
Hardware Guide
368 pages
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IBM N Series Specifications
General
Brand
IBM
Model
N Series
Category
Storage
Language
English
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