Table 20. Management Classes for Recovery Data Sets

Attribute

MCDBICD

MCDBICW

MCDBICM

MCDBLV2

MCDBACTL

 

 

 

 

 

 

Expire after days non-usage

NOLIMIT

NOLIMIT

NOLIMIT

NOLIMIT

NOLIMIT

 

 

 

 

 

 

Expire after date/days

4

25

365

365

NOLIMIT

 

 

 

 

 

 

Retention Limit

NOLIMIT

NOLIMIT

NOLIMIT

NOLIMIT

NOLIMIT

 

 

 

 

 

 

Primary days non-usage

 

7

7

0

 

 

 

 

 

 

 

Level 1 days date/days

 

7

7

0

 

 

 

 

 

 

 

Command or auto migrate

Both

Both

Both

Both

None

 

 

 

 

 

 

# GDG elements on primary

 

 

 

 

 

 

 

 

 

 

 

Rolled-off GDS action

 

 

 

 

 

 

 

 

 

 

 

Backup frequency

1

7

90

1

 

 

 

 

 

 

 

Number of backup versions

1

1

2

1

 

(data set exists)

 

 

 

 

 

 

 

 

 

 

 

Number of backup versions

2

2

2

1

 

(data set deleted)

 

 

 

 

 

 

 

 

 

 

 

Retain days only backup

28

28

370

1

 

version (data set deleted)

 

 

 

 

 

 

 

 

 

 

 

Retain days extra backup

28

28

370

 

 

versions

 

 

 

 

 

 

 

 

 

 

 

Admin or user command

Both

Both

Both

Both

 

backup

 

 

 

 

 

 

 

 

 

 

 

Auto backup

Yes

Yes

Yes

No

No

 

 

 

 

 

 

7.1.4 SMS Storage Groups

SMS Storage Classes and Management Classes are combined to generate Storage Groups. This function is performed by the ACS routines. Table 21 on page 66 shows the relationship between SMS Storage Classes and the SMS Management Classes with the SMS Storage Groups for DB2 recovery data sets. Only those Storage Groups needed to satisfy DB2 recovery data set requirements are defined.

Table 22 on page 66 shows the attributes of the example Storage Groups for DB2 table and index spaces. The five example SMS Storage Groups are:

SGDBIC

Storage Group intended for standard image copies.

SGDBICH

Storage Group intended for high availability image copies.

SGDBARCH

Storage Group intended for primary and secondary archive logs

 

and for secondary image copies. These data sets will be migrated

 

by DFSMShsm.

Managing DB2 Recovery Data Sets with SMS 65

Page 87
Image 87
IBM 5695-DF1, 5655-DB2 manual Sgdbich, Sgdbarch

5695-DF1, 5655-DB2 specifications

IBM 5655-DB2 and 5695-DF1 are significant components within the IBM software ecosystem, predominantly focusing on data management and integration solutions. These offerings cater primarily to enterprise environments that require robust database management systems and associated frameworks to maintain and manipulate data efficiently.

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Both IBM 5655-DB2 and 5695-DF1 are part of a broader strategy to accommodate the evolving landscape of data management. Businesses leverage these technologies to enhance their data architectures, fostering agility and competitive advantage in their respective markets. Their integration capabilities, along with a focus on security and scalability, position them as vital assets in modern enterprise environments. Whether managing critical data within a database or ensuring seamless data flow across systems, these IBM offerings provide a comprehensive approach to handling complex data challenges.