A fix is available
APAR status
Closed as program error.
Error description
Passthru IOCTL such as DK_PASSTHRU or DKIOLCMD may have errors processed by the disk driver. This can cause unattended reservation issued to the drive, when application issues IOCTL commands to disk drive.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * Users of non-MPIO disks running the 5300-11 Technology Level * with the devices.fcp.disk.rte fileset at the 5.3.11.1 level. **************************************************************** * PROBLEM DESCRIPTION: * Passthru IOCTLs such as DK_PASSTHRU or DKIOLCMD may have * errors processed by the disk driver. This can cause an * unattended reservation issued to the drive when applications * issue IOCTL commands to disk drive. **************************************************************** * RECOMMENDATION: * Install APAR IZ63808. ****************************************************************
Problem conclusion
If a passthru IOCTL encounters an error, the disk driver will not perform error processing. Error processing will be left up to application issuing IOCTL.
Temporary fix
********* * HIPER * *********
Comments
5300-08 - use AIX APAR IZ63805 5300-09 - use AIX APAR IZ63806 5300-10 - use AIX APAR IZ63807 5300-11 - use AIX APAR IZ63808 6100-04 - use AIX APAR IZ63813
APAR Information
APAR number
IZ63808
Reported component name
AIX 5.3
Reported component ID
5765G0300
Reported release
530
Status
CLOSED PER
PE
YesPE
HIPER
YesHIPER
Submitted date
2009-10-26
Closed date
2009-10-28
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 5.3
Fixed component ID
5765G0300
Applicable component levels
R530 PSY U829868
UP10/02/08 I 1000
PTF to Fileset Mapping
U829868 devices.fcp.disk.rte 5.3.11.2
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Document Information
Modified date:
28 March 2013