HP JFS 3.3 and HP OnLineJFS 3.3 VERITAS File System 3.3 System Administrator's Guide

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disk. When the write returns to the caller, both the data and the inode
have been written to disk.
TB Terabyte (240 bytes or 1024 gigabytes).
transaction Updates to the file system structure that are grouped
together to ensure they are all completed
throughput For file systems, this typically refers to the number of I/O
operations in a given unit of time.
I/O I/O that bypasses the kernel cache to increase I/O performance.
This is similar to direct I/O, except when a file is extended; for direct I/O,
the inode is written to disk synchronously, for unbuffered I/O, the inode
update is delayed. See
buffered I/O
and
direct I/O
.
volume A virtual disk which represents an addressable range of disk
blocks used by applications such as file systems or databases.
vxfs The name of the VERITAS File System type