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DB2 LUW (on Linux) should support the Weka Filesystem. https://www.weka.io/resources/white-papers/wekaio-architectural-whitepaper The WekaFS is available on Amazon Cloud (AWS) and allows snapshot functionality (during suspend I/O) which is current...
DB2 LUW should support 1GB pages on Linux x64 platform
When using VMWare as Host System for (RH) Linux we are able to configure 1GB Pages like: sched.mem.lpage.enable1GPage = "TRUE" On the other hand DB2 on Linux Redhat Guest System right now does only support huge (2MB) pages per IBM DB2 documentatio...
As announced in December of 2020, The CentOS Project has shifted focus from CentOS Linux to CentOS Stream. Here are the expected end of life (EOL) dates for CentOS 8release. CentOS Linux 8 EOL: 2021-12-31 Today DB2 11.5.6 is certificated/compatibl...
We have a cloud-native strategy that Db2u fits better than most other RDBMSes. We also have a fairly mature Kubernetes infrastructure. We would really like to run db2u on native Kubernetes, without OpenShift.
Sparse file support was added in NFSv4.2 and currently AIX supports NFS4.1 which does not have sparse capability. DB2 only supports fast pre-allocation on some file systems. Including Veritas VxFS, JFS2, GPFS, ext4 and xFS. Kindly include the supp...
I support my customers system which runs DB2 ESE on AIX 7.1. We were on DB2 10.5 and upgraded this Summer to 11.5 which compatibility reports showed as a supported configuration. Now that we are looking at applying 11.5.4 fixpacks, I'm finding the...
New Redhat ipcmni_extend setting Recommendation in the DB2 Infocentre
Hello, Db2 Luw seems to be a victum of Redhat change https://access.redhat.com/solutions/4968021 The change is effective of Redhat 7.8+, where you need to set ipcmni_extend to allow db2 to request more then 32k of MSGMNI as per https://www.ibm.com...
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