DB2 10.5 for Linux, UNIX, and Windows

SYSCAT.STOGROUPS catalog view

Each row represents a storage group object.

Table 1. SYSCAT.STOGROUPS Catalog View
Column Name Data Type Nullable Description
SGNAME VARCHAR (128)   Name of the storage group.
SGID INTEGER   Identifier for the storage group.
OWNER VARCHAR (128)   Authorization ID of the owner of the storage group.
CREATE_TIME TIMESTAMP   Time at which the storage group was created.
DEFAULTSG CHAR (1)   Indicates whether the storage group is the default storage group.
  • N = NO
  • Y = YES
OVERHEAD DOUBLE   Controller overhead and disk seek and latency time, in milliseconds (average for the storage paths in this storage group); 0 indicates value is not defined (assigned only by upgrade processing).
DEVICEREADRATE DOUBLE   Read transfer rate of the device, in megabytes per second (average for the storage paths in this storage group); 0 indicates value is not defined (assigned only by upgrade processing).
WRITEOVERHEAD DOUBLE Y Reserved for future use.
DEVICEWRITERATE DOUBLE Y Reserved for future use.
DATATAG SMALLINT   Tag to identify data stored in this storage group. Valid user-specified range is 1 through 9; 0 indicates no data tag is specified.
CACHINGTIER SMALLINT   Reserved for future use.
REMARKS VARCHAR (254) Y User-provided comments, or the null value.