IBM 000-8697 Manuale Utente

IBM Informix OnLine Database Server Administrator’s Guide

The chunk status flags are defined as follows:

From the command line, execute tbstat -d to obtain the information that is
similar to the information available from the Dbspaces menu, Info option.
However, where

DB-M

onitor lists the number of used disk pages, tbstat -d

lists the number of free disk pages and, in the

bpages

field, the approximate

number of free blobpages. For further information about the

bpages

 field,

refer to

For further information about the tbstat -d display, refer to

From the command line, execute tbcheck -pr to obtain the dbspace infor-
mation that is stored in the root dbspace reserved page. The reserved page
contains the following dbspace information:

■

dbspace name, owner, and number

■

Flags indicating if the dbspace mirror status and if the dbspace is a
blobspace

■

Number of chunks in the dbspace

For further information about the fields in the dbspaces reserved page, refer
to

.

 -

Chunk belongs to a dbspace.

B

Chunk belongs to a blobspace.

D

Chunk is down.

M

Chunk is a mirror chunk.

P

Chunk is a primary chunk.

R

Chunk is in recovery mode.

X

Mirroring has been requested but the chunk contains a logical log
file; a level-0 archive is needed before this mirror can begin
functioning.