HP StorageWorks Application Recovery Manager Administrator's Guide (T4395-96004, February 2008)

G-18
Glossary
checkpoints and the quorum resource
recovery log, which contains the most
recent cluster database information.
system volume/disk/partition
A volume/disk/partition containing
operating system files. Microsoft
terminology defines the system volume/
disk/partition as the volume/disk/
partition containing files required for the
initial step of the boot process.
tablespace
A part of a database structure. Each
database is logically divided into one or
more tablespaces. Each tablespace has
data files or raw volumes exclusively
associated with it.
tapeless backup (ZDB specific term)
See ZDB to disk.
target volume (ZDB specific term)
A storage volume to which data is
replicated.
Terminal Services (Windows specific
term)
Windows Terminal Services provide a
multi-session environment that allows
clients to access a virtual Windows
desktop session and Windows-based
programs running on the server.
thread (MS SQL Server specific term)
An executable entity that belongs to
only one process. It comprises a
program counter, a user-mode stack, a
kernel-mode stack, and a set of register
values. Several threads can run at a time
within one process.
transaction
A mechanism for ensuring that a set of
actions is treated as a single unit of
work. Databases use transactions to
keep track of database changes.
transaction backup
Transaction backups generally use fewer
resources than database backups, so they
can be created more frequently than
database backups. By applying
transaction backups, you can recover the
database to a specific point in time prior
to when a problem occurred.
transaction log backup
Transaction log backups generally use
fewer resources than database backups
so they can be created more frequently
than database backups. By applying
transaction log backups, you can recover
the database to a specific point in time.
transaction log files
Files that record transactions of the
database modifications, and provide
fault tolerance in case of a database
disaster.
transaction logs (Application Recovery
Manager specific term)
Keeps track of IDB changes. The