StorNext 3.0 Upgrade Guide
Running snPreInstall...........................................................................................6
Interpreting snPreInstall Output.......................................................................6
Document 6-01620-04 Rev A, March 2007
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StorNext 3.0 Upgrade Guide
Document 6-01620-04 Rev A
March 2007
Introduction
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This document provides information about upgrading to StorNext 3.0 from a
previous version. Instructions are provided for metadata controllers (MDCs)
running both StorNext File System (SNFS) and StorNext Storage Manager
(SNSM), as well as for MDCs running SNFS only.
For upgrade procedures, or to learn how to contact Quantum for assistance, see
the following sections:
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Getting Ready to Upgrade
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This section includes important information about upgrading to StorNext 3.0.
Review the following sections before upgrading:
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Upgrade Guidelines
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Before upgrading StorNext, review the following upgrade guidelines:
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The trashcan feature has been removed in StorNext 3.0. Before upgrading to
StorNext 3.0, you must empty the trashcan on all file systems where this
feature is enabled. If the trashcan directories are not removed, the upgrade
will fail.
To empty the trashcan on a file system where it is enabled, change to the file
system directory (for example /stornext/snfs1). Then, at the command
prompt, type:
rm -rf TrashCan
Repeat this procedure for all file systems.
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Before upgrading, make sure there is no I/O activity. On the StorNext home
page, the number of store candidates should be 0. For tape drives, make sure
no media is mounted and no read/write operations are being performed. If
there is I/O activity, wait for the I/O activity to complete before upgrading. If
you attempt to perform an upgrade during a period of high activity, the
upgrade may fail.
Introduction
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Before upgrading, Quantum recommends reviewing system configuration
settings and performing a backup procedure to back up StorNext
configuration files.
Before upgrading, Quantum recommends storing all files. (If you do not store
files prior to upgrading, Quantum recommends running a rebuild policy after
the upgrade.)
Before upgrading, Quantum recommends making sure all tape drives are at
approved firmware levels. After upgrading, you may not be able to use
drives that are not running an approved firmware version.
Because the metadata dump format has changed in StorNext 3.0, a metadata
dump is automatically performed during the upgrade process. Depending on
the size of the file system, this can extend the time required to complete the
upgrade.
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After upgrading, your StorNext license remains valid. You do not need to
request a new licence if the system ID does not change.
Converting a Metadata Controller Running IRIX
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StorNext 3.0 does not support metadata controllers running the SGI IRIX
operating system. To upgrade to StorNext 3.0, MDCs running IRIX must be
converted to a supported operating system. This conversion must be performed
by Quantum Professional Services. For more information, or to schedule an IRIX
conversion, contact the Quantum Technical Assistance Center (see Contacting
Note: The StorNext 3.0 client software continues to support IRIX.
Upgrading HA Systems
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Upgrades for MDCs running in a High Availability (HA) Failover environment
must be performed by Quantum Professional Services. If your system is running
with failover enabled, contact the Quantum Technical Assistance Center (see
Upgrading the Client Software
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To upgrade to the StorNext 3.0 client software on Linux and Unix systems, install
the new client software package. There is no need to uninstall previous versions
of the client software. For more information about installing the client software on
Linux and Unix, see the StorNext 3.0 Installation Guide.
To upgrade to the StorNext 3.0 client software on Windows, follow the procedure
Getting Ready to Upgrade
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Running the Pre-Installation Script
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The StorNext pre-installation script (snPreInstall) is included on the StorNext
installation CD. When you run snPreInstall, you are prompted for information
about your system. The pre-installation script uses this information to estimate
the amount of local disk space required for SNFS and SNSM support directories.
In addition, the script recommends the optimal locations for support directories.
StorNext uses five directories to store application support information. These
directories are stored locally on the metadata controller, except for the Backup
directory, which is stored on the managed file system.
Table 1 StorNext Support
Directories
Support Directory
Description
Database
Records information about where and how data files
are stored.
/adic/database
Journal
Records changes made to the database.
/adic/database_jnl
Mapping
Contains index information that enables quick
searches on the file system.
/adic/mapping_dir
Metadata
Stores metadata dumps (backups of file metadata).
/adic/database_meta
Backup
Contains configuration files and support data
required for disaster recovery.
/backup
Before You Begin
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Before running the pre-installation script, be prepared to answer the following
questions:
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Is this an upgrade installation?
What local file systems can be used to store support information?
What version of StorNext will be installed?
What is the maximum number of directories expected (in millions)?
What is the maximum number of files expected (in millions)?
How many copies will be stored for each file?
How many versions will be retained for each file?
Note: Keep in mind that storage needs typically grow rapidly. Consider
increasing the maximum number of expected directories and files by a
factor of 2.5x to ensure room for future growth.
Running the Pre-Installation Script
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Note: The pre-installation script ignores unmounted file systems. Before
running snPreInstall, be sure to mount all local file systems that will
hold StorNext support information.
Running snPreInstall
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To run the pre-installation script, use the StorNext installation CD.
1 Log on to the MDC as root.
2 Mount the StorNext installation CD and change to the CD root directory.
3 List the installation directories on the CD. At the command prompt, type:
ls -l
4 Identify the correct installation directory for your operating system and
hardware platform, and then change to that directory.
For example, for Red Hat Linux 4 running on an x86 64-bit platform, change
to the RedHat40AS_26x86_64 directory.
5 Run the script. At the command prompt, type:
./snPreInstall
Figure 1 Pre-Installation Script
6 Follow the onscreen instructions, and answer each question when prompted.
The script outputs results based on the information you entered.
Interpreting snPreInstall
Output
After you enter all requested information, the pre-installation script outputs the
following results:
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Estimated disk space required for each support directory.
Recommended file system location for each support directory.
Running the Pre-Installation Script
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Tech Tip: For optimal performance, each support directory (other than
the Backup directory) should be located on its own local file
system, and each local file system should reside on a separate
physical hard disk in the MDC.
There are three types of directory recommendations, as indicated by the text
preceding the recommendation. The three types of recommendations are
Table 2 Pre-Installation Script
Recommendation Types
Type
Description
RECOMMEND
The suggested directory locations will result in
optimal system performance.
NOTE
The suggested directory locations are valid but
system performance will not be optimal.
SPACE
Additional hard disk space is required to store
the required support directories.
The pre-installation script bases directory location recommendations on the
following criteria:
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To aid disaster recovery, the Database and Journal directories should be
located on different file systems.
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For optimal performance, the Metadata directory should not be located on the
same file system as (in order of priority) the Journal, Database, or Mapping
directory.
Note: Do not change the location of support directories manually.
Instead, use the installation script to specify the location for
support directories. For more information, see Upgrading to
Upgrading to StorNext 3.0 (SNFS and SNSM)
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Use the StorNext installation script to upgrade to StorNext 3.0 on a metadata
controller running StorNext Storage Manager and StorNext File System. To
launch the script, use the correct StorNext installation CD for your operating
system.
1 Log on to the MDC as root.
2 Mount the StorNext installation CD and change to the CD root directory.
3 List the installation directories on the CD. At the command prompt, type:
ls -l
Upgrading to StorNext 3.0 (SNFS and SNSM)
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4 Identify the correct installation directory for your operating system and
hardware platform, and then change to that directory.
For example, for Red Hat Linux 4 running on an x86 64-bit platform, change
to the RedHat40AS_26x86_64 directory.
5 Run the script with the -upgrade option. At the command prompt, type:
./install.stornext -upgrade
Figure 2 StorNext Installation
Script
6 On the Upgrade Menu, type 2 and press <Enter>.
The StorNext installation script runs and displays the current progress of the
upgrade.
Note: To customize the installation, select option 1 on the Upgrade
Menu. For more information about changing configuration
options, see the StorNext 3.0 Installation Guide.
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When the upgrade is complete, press <Enter> to return to the Main Menu.
8 To exit the installation script, type 4 and press <Enter>.
9 Run a rebuild policy.
Note: Backups are run on some operating systems immediately
following the upgrade procedure. Other operating systems run the
backup after the next reboot. These backups trigger a metadata
dump that (depending on the number of files and the type of
hardware) can cause backups to take several hours.
Upgrading to StorNext 3.0 (SNFS Only)
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To upgrade to StorNext 3.0 on a metadata controller running StorNext File
System (without Storage Manager), use the appropriate method for your
operating system:
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•
Upgrading to StorNext 3.0 (SNFS Only)
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Upgrading SNFS on Linux
Use the SNFS installation script to upgrade to StorNext 3.0 on a metadata
and Unix
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controller running StorNext File System (without Storage Manager). To launch
the script, use the correct StorNext installation CD for your operating system.
1 Log on to the MDC as root.
2 Mount the StorNext installation CD and change to the CD root directory.
3 List the installation directories on the CD. At the command prompt, type:
ls -l
4 Identify the correct installation directory for your operating system and
hardware platform, and then change to that directory.
For example, for Red Hat Linux 4 running on an x86 64-bit platform, change
to the RedHat40AS_26x86_64 directory.
5 Run the script with the -upgrade option. At the command prompt, type:
./install.snfs -upgrade
Figure 3 SNFS Installation
Script
6 On the Upgrade Menu, type 2 and press <Enter>.
The SNFS installation script runs and displays the current progress of the
upgrade.
Note: To customize the installation, select option 1 on the Upgrade
Menu. For more information about changing configuration
options, see the StorNext 3.0 Installation Guide.
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When the upgrade is complete, press <Enter> to return to the Main Menu.
8 To exit the installation script, type 4 and press <Enter>.
Upgrading SNFS on
Windows
The StorNext setup wizard guides you through the process of upgrading
StorNext File System on a metadata controller running Windows 2000 or
Windows 2003 Server. (The installation wizard also installs the client software on
the MDC.)
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Before upgrading StorNext, remove any previously installed versions (see
When you are ready, use the setup wizard to upgrade StorNext (see Running the
(Optional) After upgrading, restore the previous client configuration (see
Upgrading to StorNext 3.0 (SNFS Only)
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Note: You must log on as an Administrator to install StorNext.
Removing a Previous Version of StorNext
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If a previous version of StorNext exists on the system, you must remove it before
installing the new version.
1 Insert the StorNext installation CD.
2 Browse to the root directory of the installation CD and double-click the file
SnfsSetup32.exe (32-bit systems) or SnfsSetup64.exe (64-bit systems).
Figure 4 StorNext Installation
Window: Remove StorNext
3 Click Remove StorNext.
A dialog box appears informing you that the current client configuration has
been saved.
4 Note the name and location of the saved configuration file, and then click OK.
5 If prompted, click Yes to continue, and then click OK to finish the removal.
6 When the removal is complete, click Yes to reboot the system.
Note: After installing the new version of StorNext, you can restore the saved
page 13).
Running the Setup Wizard
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To launch the setup wizard, use the correct StorNext installation CD for your
operating system.
1 Insert the StorNext installation CD.
2 Browse to the root directory of the installation CD and double-click the file
SnfsSetup32.exe (32-bit systems) or SnfsSetup64.exe (64-bit systems).
Upgrading to StorNext 3.0 (SNFS Only)
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Figure 5 StorNext Installation
Window: Install StorNext
3 Click Install StorNext to begin installation.
Figure 6 SNFS Setup:
Welcome
4 Click Next to continue.
Figure 7 SNFS Setup: End-
User License Agreement
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5 Click the option to accept the license agreement, and then click Next to
continue.
Figure 8 SNFS Setup:
Customer Information
6 Type your name and the name of your company or organization in the boxes,
and then click Next to continue.
Figure 9 SNFS Setup: Choose
Setup Type
7 Click an installation option:
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Typical: (Recommended) Installs StorNext File System, client software,
and help files in the default location (C:\Program Files\StorNext).
Custom: Lets you choose which components to install and specify an
installation location. When ready, click Next.
Complete: Same as a typical installation.
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Figure 10 SNFS Setup: Ready
to Install
8 Click Install to continue.
Wait while the setup wizard installs StorNext. When installation is complete,
Figure 11 SNFS Setup: Finish
9 Click Finish to close the setup wizard.
10 On the StorNext Installation window, click Exit.
You are prompted to reboot the system.
11 Click Yes to reboot.
Restoring a Previous Client Configuration
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If you saved a client configuration file (for example, when removing a previous
version of StorNext), you can import it after installing StorNext. This configures
StorNext using the same settings as the previous installation.
1 Insert the StorNext installation CD.
2 Browse to the root directory of the installation CD and double-click the file
SnfsSetup32.exe (32-bit systems) or SnfsSetup64.exe (64-bit systems).
Upgrading to StorNext 3.0 (SNFS Only)
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Figure 12 StorNext Installation
Window: Configure StorNext
3 Click Configure StorNext.
Figure 13 StorNext
Configuration Window
4 Click Import/Export Client Settings.
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Figure 14 Import/Export Client
Configuration Window
5 Under Import, click Browse. Locate the client configuration (*.reg) file to
import, and then click Open.
Client configuration files saved during removal of a previous version of
StorNext are located in one the following directories:
•
•
C:\SNFS\config\
C:\Program Files\StorNext\config\
6 Click an option for handling current configuration settings:
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Merge with current configuration: The imported configuration is merged
with the current configuration settings.
•
Replace current configuration: The imported configuration overwrites the
current configuration settings.
7 Click Import, and then click Yes to confirm.
A message appears informing you the configuration settings were
successfully added to the registry.
8 Click OK, and then click Quit to close the Import/Export Client Configuration
window.
Upgrading to StorNext 3.0 (SNFS Only)
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Contacting Quantum
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More information about this product is available on the Customer Service Center
contains a collection of information, including answers to frequently asked
questions (FAQs). You can also access software, firmware, and drivers through
this site.
To request a software upgrade, visit www.quantum.com/ServiceandSupport/
Upgrade/Index.aspx. For further assistance, or if training is desired, contact the
Quantum Technical Assistance Center:
+1 800-284-5101
North America
UK, France, and Germany
EMEA
00800 4 QUANTUM
+44 1256 848 766
World Wide Web
Contacting Quantum
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