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What are the differences between SRS in VDI 2 and VDI 3?
This page last changed on Jun 22, 2009 by stephanielewellen.
What are the differences between SRS in VDI 2 and VDI 3?
The main change between SRS in VDI 2 and VDI 3 is the installation/configuration experience. In VDI 2 you had to manually
install and configure the various pieces of software (SRSS, SRWC, and VDC) and the whole process was complex and errorprone (at least for customers new to SRS and VDI). Thus we tried to simplify things for VDI 3 and offer a single out-of-thebox experience for installation and configuration.
In VDI 3, there is no need anymore to install SRSS and SRWC manually before installing the VDI Core. Instead, everything
is installed automatically using a single installation script (vda-install). We also offer a configuration script (vdaconfig) that configures the various pieces for common usage scenarios. It is still possible to adapt or fine tune things later
using the usual SRSS commands.
There have been no changes to the SRS product itself. SRS still uses its own LDAP-based datastore for storing configuration
settings specific to SRS. However, the VDI Core (formerly called VDC) now takes advantage of a full-blown MySQL database
for storing settings specific to VDI (including desktop pool settings, desktop assignments, etc.). In VDI 2, these settings were
stored in the SRS datastore, but this created several issues. In VDI 3, the read/write cycles/frequency are higher compared
to VDI 2 and thus an LDAP based datastore was no longer the best suitable choice.
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