SUSE_Linux_Enterprise_Server_15_x_for_SAP_Applications_Configuration_Guide_for_SAP_HANA_en

3.2.1 Partitioning Layout for OS root file-system
The partition holding the root filesystem should have at least a size of 60 GB in order to be able to store
snapshots and log messages over a period of time.
The default file system for the root file system in SLES 15 for SAP Applications is btrfs and should not be
changed in order to benefit from the zero downtime approach of SLE15.
In contrast to SAP Note 1597355 - Swap-space recommendation for Linux (which is mainly for SAP
NetWeaver) you should configure a smaller size for swap space, for example 2 GiB.
3.2.2 Partitioning Layout for SAP HANA
For a scale-up SAP HANA single-host system three file systems are required, which need to be reflected in the
partition layout. There is one file system for each of the following files:
●
●
●
SAP HANA executables
SAP HANA data
SAP HANA log
There are two options available by today:
●
●
Certified appliances
TDI (Tailored Datacenter Integration) certified storage
The SAP HANA data and log file system must meet the performance KPIs for SAP HANA HWCCT tool (see SAP
Note 1943937 - Hardware Configuration Check Tool - Central Note
systems.
) and must reside on TDI certified storage
It is recommended to provide at least 10 GiB for the /usr/sap location in the system. SAP HANA and other
SAP software that supports SAP HANA stores data in this directory per default. The SAP HANA software is
installed into /hana/shared. In scale-out installations, the directory should be a shared file system.
For more information, see Create the Partitions for SAP HANA [page 35] in this guide.
3.2.3 Sample Partition Layout for /, /usr/sap and swap
In this example we use a separate file system for /usr/sap. This means we need at least 112 GiB (60 GiB+50 GiB
+2 GiB) for the OS drive and /usr/sap mount point without SLA (service-level agreement) considerations such
as mirroring. For SAP HANA shared, SAP HANA data and SAP HANA log separate disks will be used.
SUSE Linux Enterprise Server 15.x for SAP Applications Configuration Guide for SAP HANA
Sample Installation of SLES 15 for SAP Applications P U B L I C 21