Quantum SDLC 2.7, Руководство по установке

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82 Upgrade, Remove, Repair
Figure 46 Modifying the System
During the installation process, all files are written to the hard drive but do not appear at startup on the
configuration list. All of these files can be accessed and activated in the
Modify process mode. It is allowed
to add, register, or un-register the Scalar DLC software features that are the parts of the SCSI, or ROBAR,
or DAS-interface. The un-register procedure leaves the software written on the hard drive but makes it
inaccessible to the user.
After Add/Remove process is finished, it is recommended that you restart the PC.
Upgrading the Scalar DLC
Although the upgrade engine is a part of Scalar DLC installation, some additional actions may be required.
Depending on the configuration used, see
Simple Upgrade on page 84 or Advanced Upgrade on page 88.
The instructions on which upgrade type is more preferable are located in Using Database from a Previous
Version on page 83 and Upgrading from 2000 to 2003 on page 84. Note also the Upgrade Issues on page
92.
Note
The SCSI Client software feature cannot be installed completely without SCSI hardware
(the SCSI/FC adapter) being present on the PC.
CAUTION
If you are upgrading from version 2.5 to version 2.6 or 2.7, you may be
required to enter your license key information during the upgrade process.
Note
If the MSSQL scripts fail to install during the upgrade process, you must reboot the
system. After rebooting, restart the upgrade installation process.
CAUTION
Do not install Scalar DLC Clustering until both nodes are fully installed with
Scalar DLC.