When preparing a raw partition device, follow these guidelines:
• Do not initialize a database device on the partition that contains
your Sybase installation software, or you will destroy all existing
files on that partition.
• A raw partition designated for use by Sybase cannot be mounted
for use by the operating system for any other purpose, such as for
file systems or swap space.
• To avoid any possibility of using a partition that contains the
partition map, do not use cylinder 0.
• After a Sybase configuration utility or the disk init command has
initialized a portion of a partition as a database device, the entire
partition cannot be used for any other purpose. Any space left on
the partition beyond the size specified for the device becomes
inaccessible, unless you drop and re-create the device.
• For best performance, place the Sybase software and all disk
devices, including the master device, on the same machine.
• Place the database device on a character device, because the
Adaptive Server recovery system needs unbuffered system I/O.
The character devices are in&n
摘自"Installing Sybase®
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