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The controller list – Apple Xsan 1.1 User Manual

Page 125

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Appendix B

Using the Command Line

125

#

# File system default on the default host as a high priority service.

#

#default .

#

# File system foo on the local host named rock as a secondary service.

#

#example rock 1

#

# File system "bar" on the default local host as a tertiary service.

#

#bar . 2

#

# File system "zup" on the default local host as a secondary service.

#

#zup . 1

#

# File system "zup" on the default local host with a second backup as well.

# Each backup can be assigned a different priority. This configuration

# typically makes more sense on two different machines where one machine

# should take priority over another in a fail-over situation.

#

#zup . 0

#zup . 1

#

# end

#

The Controller List

Xsan stores a list of SAN controllers in the file

/Library/Filesystems/Xsan/config/fsnameservers

A copy of this file appears on every computer that belongs to the SAN.

For information, see the

fsnameservers

man page.

Example fsnameservers File

#

# File System Name Servers Master File

#

# This file instructs CVFS port mappers where to go to find the names of

# file systems available in the storage area network. The bandwidth required

# to access file system names is extremely low, so it is not necessary

# to place name servers on high end equipment. It is, however important

# that name servers are highly available and reliable. This reduces the

# possibility that a CVFS client will be unable to engage a file system

# because it cannot find its server location in the network.

#

# Name information is be actively replicated to all the listed name servers.

# In the event that the primary server is down, the other servers have