Red Hat GLOBAL FILE SYSTEM 4.7 Podręcznik Użytkownika Pobierz pdf (Strona 69)

Using the SFS service 4–11

CAUTION: When you move an entry from a client node’s /etc/sfstab file to the

/etc/sfstab.proto file, you must delete the entry from the static section of the /etc/sfstab file (that

is, the section of the file outside of the lines generated when the /etc/sfstab.proto file is processed).

Each mount entry for a client node must only exist either in the /etc/sfstab.proto file or in the static

section of the /etc/sfstab file.

Example

The following is an example of a complete /etc/sfstab.proto file in a client system called delta.

Example 4-1 /etc/sfstab.proto file

# This file contains additional file system information for all the

# nodes in the cluster. When a node boots, this file will be

# parsed and from it a new /etc/sfstab will be created.

# How this file is organized:

# * Comments begin with # and continue to the end of line

# * Each non-comment line is a line that may be copied to /etc/sfstab

# verbatim.

# * Some comments begin with #% followed by a node selector to

# indicate that the following lines until the next #% or the end of

# file (whichever comes first) will only be copied to the /etc/sfstab

# on the indicated node or nodes. A node selector is either a

# single node name, like delta12, or a list of nodes in a condensed

# notation, like delta[1-5,7]. In the condensed notation, the

# node prefix is followed by a set of square brackets. Inside the

# square brackets are comma separated terms. Each term is either a

# range i-j, indicating nodes i to j inclusive, or a single node

# number. There can be any number of terms within the square

# brackets.

# * One comment can begin with "#% ALL". The lines following it until

# the next #% line or the end of file (if there are no more #% lines)

# will be copied to the fstab on every node.

#% ALL

# Put lines here that you want copied directly to the /etc/sfstab on

# every node

lnet://35@elan0,34@elan0:/south-mds3/client_elan /usr/data sfs server=south,fs=data

0 0

#% delta1

# Put lines here that you want copied directly to the /etc/sfstab on

# delta node 1

lnet://35@elan0,34@elan0:/south-mds4/client_elan /usr/scratch sfs

server=south,fs=scratch 0 0

lnet://35@elan0,34@elan0:/south-mds5/client_elan /usr/test sfs server=south,fs=test

0 0

#% delta[2-16]

# Put lines here that you want copied directly to the /etc/sfstab on

# delta nodes 2 to 16

lnet://35@elan0,34@elan0:/south-mds4/client_elan /usr/scratch sfs

server=south,fs=scratch 0 0

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 133 134

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Red Hat GLOBAL FILE SYSTEM 4.7 Podręcznik Użytkownika Strona 69

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