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Red Alerts subscription service for zSeries

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This service provides technical information for IT professionals who maintain zSeries servers. As these support bulletins are released, subscribers receive email containing links to the bulletins.

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You can also use the Enhanced HOLDDATA for simplified identification and management of PEs and HIPERs.

Red Alerts

Date Description
2020.09.11 Enhanced HOLDDATA for z/OS is incomplete.
2020.09.08 IBM ECuRep FTP server disablement of SHA-1 cipher suites and limiting anonymous log-in.
2020.07.23 Db2 12 for z/OS users: Undetected data loss exposure when using insert algorithm 2 ("IAG2") feature.
2019.01.24 File systems inaccessible after using BPXWMIGF utility
2018.05.24 Update to 2018.05.22 IBM testcase and ECuRep Alert.
2018.05.22 IBM is working to transform our tools for GDPR compliance. On May 24, 2018 both the IBM Boulder testcase and ECuRep servers will change to require an authenticated log-in using an IBM Support File Transfer ID and password (token), and will support only secure protocols.
2018.01.22 New root CA (Certificate Authority) certificate must be installed before 29 January 2018 to continue using SMP/E RECEIVE ORDER to retrieve IBM z/OS platform PTFs
2017.10.27 Daylight savings time adjustment may not be reported correctly by Language Environment (LE) callable services if PTFS UI48771 / UI48801 / UI48802 are applied.
2017.06.19 CICS TS for z/OS V5.3 - Unpredictable results when identical Unit Of Work ID (UOWID) passed to multiple CICS subsystems
2016.11.22 IMS V12, V13 or V14 - potential for IMS to write incorrect log data and/or over-write 64-bit (key 7) common storage which might belong to another address space.
2016.11.04 Update to 2016.11.02 z/OS V2R2 VTOC Alert
2016.11.02 TWO IMPORTANT RECOMMENDATIONS FOR z/OS V2R2 USERS
2016.03.14 Potential exposure for undetected loss of data for z/OS users writing data to zEDC compressed data sets using QSAM on releases z/OS 1.13, 2.1 & 2.2.
2015.11.06 For data-sharing users of DB2 11 for z/OS NFM systems that have converted BSDS datasets to use 10 byte RBA values and for data-sharing users of DB2 11 for z/OS NFM systems who plan to convert BSDS datasets to use 10 byte RBA values in the near future
2015.10.29 For DB2 V11 users converting partitioned table spaces from basic format to extended format
2015.10.22 Potential z/OS System Outages with z13 RSM Support Installed
2015.09.30 z/OS Unicode Services Conversion Information Service fails after December 15, 2015
2015.07.06 For DB2 V10 and DB2 V11 users: DB2 log records may be written with invalid control information in certain rare cancel window situations and cause unpredictable results
2014.08.01 There is a potential exposure for out of sequence records with DFSORT for users on release z/OS 2.1.
2013.10.25 Unable to partition systems from the sysplex on z/OS 1.12 with PTF UA69636 (APAR OA41661) applied
2013.06.03 Updated alert for OA42277 - An error has been discovered in a Pre Req for Red Alert APAR OA42277
2013.05.31 Updated alert for OA42277 - Potential loss of data for DB2 v10 users & IMS FastPath DEDB users on z/OS 1.12, 1.13 and 2.1 releases
2013.05.29 Potential loss of data for DB2 v10 users on z/OS 1.12 and 1.13 releases.
2013.03.25 PTF UK91435 (APAR PM79520) is required for DB2 10 for z/OS customers in a Data Sharing environment.
2013.02.27 Reminder to access the System z Security Portal for Security and Integrity Fixes
2012.10.05 Unpredictable task failures and/or system outages with OMEGAMON XE on z/OS
2012.09.04 There is a potential exposure for undetected loss of data or data set corruption for DFSMS VSAM/RLS users on release z/OS 1.13.
2012.06.29 JES2 Potential Loss of Spool data on z/OS 1.11 and 1.12
2012.03.15 PTF UK76697 (APAR PM51093) is required for DB2 10 for z/OS NFM (New Function Mode) customers executing data recovery in a Data Sharing environment.
2012.03.07 Possible data loss for EAV Users on releases z/OS 1.11, 1.12 and 1.13 using DSS Logical Dump or HSM Migrate and Backup processing
2011.11.16 Fix for APAR PM51655 is needed on DB2 10 for z/OS data sharing environments as a prevention of potential data loss.
2011.10.28 Fix for APAR OA37264 needed on z/OS 1.10 and higher for exploitation of greater than 64 subchannels to a Coupling Facility when running on z196 GA2 or z114 at Driver 93G.
2011.04.20 All TCPIP users on z/OS 1.11, 1.12 using the QDIO Accelerator function
2011.04.09 z/OS Security and Integrity Service Currency
2011.01.11 Possible corrupted backup copy for z/OS 1.10, 1.11, 1.12 users of zHPF (High Performance FICON) & PDSE users with PTF's for OA30025 or OA34009 applied
2010.10.06 Potential data corruption for IMS or DB2 for z/OS following rebuild of lock structure in data sharing mode.
2010.05.07 Possible data loss for z/OS 1.11 users of GDG's with GDS_RECLAIM option set to YES (default) in the SMS Parmlib member, IGDSMSxx
2010.04.30 z/OS with PTFs for OA30513 can experience data loss due to deletion of logstream datasets that are not eligible for deletion
2010.02.26 All TCPIP users on z/OS 1.11
2010.01.21 z/OS:Potential DB2 Data Inconsistencies Following a CF Failure
2010.01.12 DB2 9 for z/OS potential data corruption and DB2 crash after using the CATMAINT UPDATE SCHEMA SWITCH utility, which is new in DB2 9.
2009.08.24 Possible data loss for z/OS 1.8, 1.9 and 1.10 with fix and HSM PATCH enabled for OA22507
2009.07.02 z/OS 1.8 and z/OS 1.9 with PTFs for OA28473 can result in VSAM datasets with invalid creation dates being deleted
2009.06.23 z/OS Sysplex: Potential sysplex-wide outage due to XES signalling limit reached for CF Lock structures
2009.06.17 Potentially incorrect data for z/OS applications sending data using TCPIP ASYNCIO on z/OS 1.10
2009.04.24 SMP/E Internet Service Retrieval, ShopzSeries, the Boulder 'testcase' server, and other service related servers will change public internet IP addresses beginning May 3, 2009.
2009.03.31 VSAM Key Sequence Data Sets with IMBED Attribute that are DUMP'd using Logical Data set DUMP are not RESTORE'd properly using z/OS 1.10 and therefore are not accessible from any z/OS release.
2009.03.25 DB2 9 for z/OS potential data loss following REORG or REBUILD INDEX in non-data sharing.
2009.02.25 Compatability maintenance required for DFSMSrmm when installing PTFs for OA22132
2009.01.28 CIFS Client on Linux UPDATED 1/28/2009
2008.12.15 Partial Release of VSAM Extended Format Data sets on z/OS 1.10 using OEM Security Product, may cause loss of access to data sets due to an error in DADSM Partial Release processing.
2008.11.24 Potential outage on multiple z/OS LPARs when installing z10 Driver 73 MCL006 if fix for APAR OA23230 not installed
2008.06.17 DB2 for z/OS V8 and V9 potential loss of data during update of fixed length rows.
2008.04.11 Sysplex-wide outage when using CFRM MSGBASED processing and PTF UA38900 or UA38901 for APAR OA21917 is installed.
2008.05.09 Sysplex-wide impact due to loop in GRS on z/OS 1.9 and higher
2008.04.11 Sysplex-wide outage when using CFRM MSGBASED processing and PTF UA38900 or UA38901 for APAR OA21917 is installed.
2008.02.01 All users of z/OS 1.9 (HBB7740) and JES2 1.9 (HJE7740).
2007.09.20 All IMS Version 9.1 using a PHIDAM database with APAR PK39785 / PTF UK25149 or PTF UK26128 or PTF UK26164 or PTF UK27311 or PTF UK27490 applied.Updated 11/09/2007
2007.12.06 Potential Data Loss using QSAM PUT processing for Extended Format Data sets with PTF's for OA16854 applied.
2007.09.20 All IMS Version 9.1 using a PHIDAM database with APAR PK39785 / PTF UK25149 or PTF UK26128 or PTF UK26164 or PTF UK27311 or PTF UK27490 applied.Updated 11/09/2007
2007.06.29 All users of z/OS 1.8 (HBB7730) and JES2 1.8 (HJE7730)
2007.04.05 DB2 for z/OS V7 potential loss of data with partitioned tablespaces in a data sharing environment. Updated 4/11/2007
2007.03.23 Media Manager errors in z/OS 1.6, 1.7 and 1.8
2007.02.12 Sysplex-wide hang on resource SYSIGGV2 on z/OS 1.4 through z/OS 1.8
2006.10.13 V1R8 DFSMShsm potential data loss after RECYCLE error
2006.08.25 Media Manager IO errors and potential data loss if using MIDAWs
2006.08.24 Unpredictable errors running z/OS 1.6 with z/OS and z/OSe 1.6 zIIP Web Deliverable (JBB77S9)
2006.08.10 IMS/VSAM interface problem affecting IMS users of VSAM Hiperspace buffers
2006.07.28 All users of z/OS and z/OSe 1.6 zIIP Web Deliverable (JBB77S9) and z/OS and zOSe 1.7 zIIP Web Deliverable (JBB772S)
2006.03.31 Daylight saving time offset change

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Document Information

Modified date:
11 September 2020

UID

ibm10959863

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