Link aggregation is logical grouping of multiple physical interfaces to get : 1. Increased Bandwidth 2. Automatic failover/failback and redundancy 3. load balancing Pre-Requisites for aggregation There are 2 major requirements to configure a link aggregation : 1. All the interfaces in an aggregation must run at same speed and in full-duplex mode. 2. All […]
Archives for November 2014
RedHat / CentOS : Managing software RAID with mdadm
Basics mdadm (multiple devices admin) is an extremely useful tool for running RAID systems. It’s is a tool for creating, managing, and monitoring RAID devices using the md driver. It can be used as a replacement for the raidtools, or as a supplement. You can use whole disks (/dev/sdb, /dev/sdc) or individual partitions (/dev/sdb1, /dev/sdc1) […]