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On the SAP HANA hosts, create the mount points by running the following commands, where x = 1, 2, 3, and so on up to the number of hosts in the scale-out system:
mkdir -p /hana/data/SID/mnt0000x
mkdir -p /hana/data/SID/mnt0000x
chmod -R 777 /hana/data/SID/
chmod -R 777 /hana/log/SID/
Note: For SAP HANA scale-out systems, all the mount points must be created on each host.
Prepare the /etc/fstab file
Add the entries to /etc/fstab:
<NAS Server>:/<filesystem> /hana/shared nfs4 rw,bg,hard,timeo=600,intr,noatime,vers=4.0,rsize=1048576,wsize=1048576,lock,_netdev 0 0
where <NAS Server> is the IP address or hostname of your NAS server on the PowerStore system. If you are using NFSv3, adjust the NFS version.
To achieve optimal performance, ensure that the SAP HANA mounts are evenly distributed across all available PowerStore FE IP networks of the NAS servers in the /etc/fstab file. For more information, see Host connection and setup using NAS/NFS.
In a 2+1 SAP HANA scale-out system with SID = NAS, the mount points are in the /etc/fstab file on each of the SAP HANA clients, including any standby hosts. The following figure shows an example:
If preferred, use the following code snippet for /etc/fstab with NFSv3 parameters.
The operating system command mount –a mounts all the directories from the PowerStore system. Run this command on each SAP HANA client.