Skip to Content

Linux Multipath command is used to manage storage SAN (storage area network) disks on OS side. Linux multipath provides a way of organizing the I/O paths logically, by creating a single multipath device on top of the underlying devices. How to get the HBA port name on Linux Show the existing multipath configuration in brief …

Read More about 15 Linux multipath examples

Linux command nfsiostat can be used to determine the average Round Trip Time (avg RTT) in milliseconds which is a good measurement for storage performance issue. The nfsiostat command is available in later versions of the nfs-utils package. What does nfsiostat output mean? Understanding nfsiostat command output How to troubleshooting NFS performance? What does nfsiostat …

Read More about Using Linux nfsiostat to troubleshoot nfs performance issue

actimeo is a common NFS mount option in Linux. actimeo=0 can make a big performance difference in the production environment. What does actimeo mean in nfs mount? The “actimeo=0” option means turn attribute caching off. The actimeo option actually makes the time duration the nfs client holds the various cache attributes like “acregmin”,”acregmax”,”acdirmin” and “acdirmax” …

Read More about What does actimeo mean during NFS mount in Linux? Does this impact storage performance?