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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 |
|---|---|
| 2022.06.01 | Changes to Testcase and ECuRep FTP servers include new IP addresses, disablement of unsecure plain FTP, and anonymous authentication |
| 2021.04.13 | PTF service orders from 4 December 2020 to 10 December 2020 need to be reviewed |
| 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 Saving 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:
21 September 2022
UID
ibm10959863