SnapBack Exact Manual
4
During backup, SnapBack monitors all server disk activity. Open file and system writes are recorded in a dynamic
caching system until they are committed to tape. This eliminates any problems with open files or the need for costly
application-oriented add-on programs.
Peak Performance
Bypassing the server file system gives SnapBack an unparalleled advantage in backup performance. While file-based
systems must traverse directories, check permissions and open, read, and close all files, SnapBack reads and writes
directly to hardware. SnapBack monitors user access and momentarily suspends backup operations when users require
server resources. The result is the fastest possible backup – without any perceptible decrease in server response to
users.
Total Recall
SnapBack restore runs from any DOS bootable floppy. The recovery process is simple and direct. Boot to DOS from a
floppy, put the tape in the drive, then restore the drives. Reboot the system. Everything is restored to the exact state it
was in when the backup was created. No formatting, partitioning, or system installation is required.
Native Access
Since the SnapBack tape contains an absolute image of the source drives, it's possible to mount a tape as if it were a
read-only drive. TapeDisk allows administrators and users to view, recover, or execute files directly from the tape. To
an application program, a mounted tape appears to be the original media – no muss, no fuss, no missing files or lost
links.
Benefits and Limitations
Remote or Local Control
The SnapBack Client is a Windows application that allows complete control and monitoring of the backup program.
Client is a communication front end for the actual backup engine that runs on the server. Backup status, scheduling,
control, diagnostics, and logs are all accessible from any workstation.
Automatic Restore
The SnapBack Recovery Disk can run in automatic mode to restore a preset configuration. Using the automatic
configuration, administrators of remote sites can allow non-technical users to perform a disaster recovery.
Full DOS Support
SnapBack Exact includes a complete DOS-based version of SnapBack that supports backup, restore, and tape utilities.
The DOS version allows additional functionality that server-only applications cannot:
Alien System Support
SnapBack is not limited to backing up DOS and NT/2000/XP partitions. Any operating system or data recorded on the
drives will be faithfully backed up and restored to the system. The SnapBack Recovery Disk can back up and restore
any BIOS-compatible or SCSI-based operating system including Unix, OS/2, Linux and Netware
Downed Server Backup
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