A fix is available
APAR status
Closed as program error.
Error description
AT level 6100-04-01 When customer creates mksysb on a tape with Number of BLOCKS to write in a single output = 1024. It creates 2 problems: 1. During restore we see the message on the screen Warning: cluster size 0 too small, enlarged to 8 2. It adds the following in the tapeblksz file for blocksize and number of BLOCKS 1024 -b1024
Local fix
Problem summary
mksysb does not perform any validation of the blocks argument. An invalid block argument may produce the the following error message during restore: Warning: cluster size 0 too small, enlarged to 8
Problem conclusion
Perform basic validation of the block argument.
Temporary fix
Comments
5300-09 - use AIX APAR IZ82275 5300-10 - use AIX APAR IZ82615 5300-11 - use AIX APAR IZ82299 5300-12 - use AIX APAR IZ81748 6100-02 - use AIX APAR IZ79780 6100-03 - use AIX APAR IZ79491 6100-04 - use AIX APAR IZ67684 6100-05 - use AIX APAR IZ79124 6100-06 - use AIX APAR IZ74986 7100-00 - use AIX APAR IZ81904
APAR Information
APAR number
IZ79780
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2010-07-09
Closed date
2010-07-09
Last modified date
2013-03-28
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
AIX 610 STD EDI
Fixed component ID
5765G6200
Applicable component levels
R610 PSY U835855
UP10/08/24 I 1000
PTF to Fileset Mapping
U835855 bos.sysmgt.sysbr 6.1.2.6
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Document Information
Modified date:
28 March 2013