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1-16 IBM Informix OnLine Database Server Administrator’s Guide
Contents of tbconfig.std
MIRROR specifies whether OnLine blobspace and dbspace mirroring is
enabled. Refer to page 1-24 for information about setting the value of this
parameter.
MIRROROFFSET specifies in kilobytes the offset into the disk partition or into
the device to reach the beginning of the mirror chunk. Refer to page 1-25 for
information about setting the value of this parameter.
MIRRORPATH specifies the pathname of the mirror chunk where the mirrored
root dbspace resides. Informix recommends that this value be a linked
pathname that points to the mirror-chunk device. Refer to page 1-24 for infor-
mation about setting the value of this parameter.
MSGPATH specifies the pathname of the OnLine message log. The message
log contains diagnostic and status messages that document OnLine
operation. Refer to page 1-28 for information about setting the value of this
parameter.
PHYSBUFF specifies in kilobytes the size of each of the two physical log
buffers that reside in shared memory. Refer to page 1-35 for information
about setting the value of this parameter.
PHYSDBS specifies the name of the dbspace where the physical log resides.
When OnLine disk space is first initialized, the physical log must reside in the
root dbspace. After initializing, you can move the physical log out of the root
dbspace to improve performance. Refer to page 1-25 for information about
setting the value of this parameter.
PHYSFILE specifies in kilobytes the size of the physical log. Refer to page 1-25
for information about setting the value of this parameter.
RESIDENT indicates whether OnLine shared memory will remain resident in
UNIX physical memory. Not all UNIX operating systems support forced
residency. Refer to page 1-32 for information about setting the value of this
parameter.
ROOTNAME specifies the name of the root dbspace. Refer to page 1-21 for
information about setting the value of this parameter.
ROOTOFFSET specifies in kilobytes the offset into the disk partition or into the
device to reach the beginning of the initial chunk of the root dbspace. Refer
to page 1-22 for information about setting the value of this parameter.