24 Storage Management with DB2 for OS/390
LOGCOPY Standard part of the name
nActivelogcopy,1or2
mm Active log number,01 to 31
3.8.4 Archive Log and BSDS BackupNames
The defaultnames for archive log and BSDS backup data sets have the following
optional structure:
Table6. ArchiveLog and BSDS BackupNames
hlq VSAM catalog high level qualifier
ARCHLOG Standard part of the name
nArchive log copy, 1 or 2
Dyyddd Date, yy=year(2 or 4 digits),ddd=day of year
Thhmmsst Time, hh=hour,mm =minute, ss=seconds,t=tenths
aA=Archivelog, B=BSDS backup
xxxxxx Files equence
Dyyddd and Thhmmsst are optional qualifiers defined in DSNZPARMin the
TIMESTAMPARCHIVES option (YES or NO) of the DSNTIPH panel,
and Dyyddd can assumethe format Dyyyyddd if the TIMESTAMP
ARCHIVES option is set to EXT (extended).
3.8.5 Image Copy Names
The names for image copy data sets are not defined by DB2. Each installation
needs to define a standard naming convention to make these data sets distinct
and significant.Table 7 on page 24 shows a sample naming structurefor image
copies.
Table7. SampleImage C opyNa mes
hlq VSAM catalog high levelquali fier
wCopyt ype,P=Pri mary,S=Secondary copy
xCopyrequirement, S=Standard, H=Critical
iCopyf requency,D=Daily, W=Weekly,M=Monthly
yyddd Date,y y=year,ddd=day of year
Thhmmsst Time, hh=hour,mm= minute,ss=seconds
ssssss tablespace or index space name
Ammm Data set identifier
hlq.ARCHLOGn.Dyyddd.Thhmmsst.axxxxxxhlq.wxiyyddd.Thhmmss.ssssss.Ammm