ADIC Laptop 3 User Manual

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:  
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:  
Upgrade Guidelines  
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Before upgrading StorNext, review the following upgrade guidelines:  
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.  
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.  
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.  
The StorNext support directories are described in Table 1.  
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:  
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  
The pre-installation script runs (figure 1).  
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  
described in Table 2.  
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:  
To aid disaster recovery, the Database and Journal directories should be  
located on different file systems.  
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  
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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  
The installation script runs (figure 2).  
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.  
7
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:  
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  
The installation script runs (figure 3).  
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.  
7
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.)  
0
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).  
The StorNext Installation window appears (figure 4).  
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).  
The StorNext Installation window appears (figure 5).  
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Figure 5 StorNext Installation  
Window: Install StorNext  
3 Click Install StorNext to begin installation.  
The StorNext setup wizard appears (figure 6).  
Figure 6 SNFS Setup:  
Welcome  
4 Click Next to continue.  
The License Agreement window appears (figure 7).  
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.  
The Customer Information window appears (figure 8).  
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.  
The Choose Setup Type window appears (figure 9).  
Figure 9 SNFS Setup: Choose  
Setup Type  
7 Click an installation option:  
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.  
The Ready to Install window appears (figure 10).  
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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,  
the Finish window appears (figure 11).  
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).  
The StorNext Installation window appears (figure 12).  
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Figure 12 StorNext Installation  
Window: Configure StorNext  
3 Click Configure StorNext.  
The StorNext Configuration window appears (figure 13).  
Figure 13 StorNext  
Configuration Window  
4 Click Import/Export Client Settings.  
The Import/Export Client Configuration window appears (figure 14).  
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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:  
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.  
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Contacting Quantum  
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More information about this product is available on the Customer Service Center  
website at www.quantum.com/ServiceandSupport. 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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