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Apple Xsan 1.0 User Manual

Page 97

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Appendix B

Using the Command Line

97

#

# The maximum number in file system blocks a file should expand by.

#

InodeExpandMax 2048

# 8M per expansion (big!)

#

# Align the file system to start on a stripe breadth boundary

#

ForceStripeAlignment Yes

#

# Debug flags

#

# See the debug flags legend in cvadmin (1M)

#

Debug 0

#

# File system block size

#

#

- Must be power of two in the range of 4K to 512K.

#

- Must be a multiple of the largest sector size of all storage

#

devices that are used with this file system configuration.

#

- This block size must be evenly divisible into all of your

#

striping strategies.

#

- Any value greater than 16K degrades metadata operation performance

#

(eg. creates/second) but startup time may improve for

# multi-terabyte

filesystems.

#

#

FsBlockSize 4K

#

# Inode cache entries - used to reduce I/O for reading inodes.

#

InodeCacheSize 8K

#

# Buffer cache size - used to reduce I/O for reading inodes, directories

# and allocation bitmaps.

#

BufferCacheSize 32M

#

# Maximum clients, and AT connections allowed.

#

MaxConnections 10

LL0192.book Page 97 Thursday, July 29, 2004 5:20 PM