3.5.1 Matrix Server Administration Guide

Chapter 7: Configure PSFS Filesystems 102
Copyright © 1999-2007 PolyServe, Inc. All rights reserved.
• --blocksize <4K|8K|16K|32K>
The block size used by the filesystem. For a 32-bit operating system,
the block size must be 4K. For a 64-bit operating system, the
supported sizes are 4K, 8K, 16K, or 32K. The maximum filesystem size
is dependent on the block size used for the filesystem. The block size
cannot be changed after the filesystem is created.
• --quotas
Enable quotas on the filesystem.
• --defaultUserHardLimit <unlimited | #{K,M,G,T}>
The default quota for all users on the filesystem. unlimited specifies
that there is no default. The optional size modifiers specify that the
size is in kilobytes (K), megabytes (M), gigabytes (G), or terabytes (T).
If a modifier is not specified, the size will be calculated in bytes. (The
default is rounded down to the nearest filesystem block.)
• --defaultGroupHardLimit <unlimited | #{K,M,G,T}>
The default quota for all groups on the filesystem. unlimited specifies
that there is no default. The optional size modifiers specify that the
size is in kilobytes (K), megabytes (M), gigabytes (G), or terabytes (T).
If a modifier is not specified, the size will be calculated in bytes. (The
default is rounded down to the nearest filesystem block.)
The mkpsfs Command
The mkpsfs command creates a PSFS filesystem on the specified device,
which must be imported into the matrix.
Block Size Maximum Filesystem Size
4KB 16TB
8KB 32TB
16KB 64TB
32KB 128TB