Configuring SAN storage is usual task of system administration in Enterprise network environment. And Of course there is lot of engineering activity involved in certifying a process , that defines the guidelines on what hardware / software matrix should be used for stabled operating environment. In this...
Blog for Unix Admin / Solaris Admin / Storage Configs for Unixadmin
by Ramdev · Published August 12, 2021
EMC PowerPath Multipathing automatically tunes your storage area network (SAN) and selects alternate paths for your data if necessary. Residing on the server, PowerPath Multipathing enhances SAN performance and application availability. It also integrates multiple-path I/O capabilities, automatic load balancing, and path failover functions for complete...
Solaris Admin / Storage Administration - SAN / Storage Configs for Unixadmin
by Yogesh Raheja · Published September 6, 2021
In this post I will present EMCpowerpath & EMCsymmetrix upgrades on Solaris servers. We will be upgrading EMCpowerpath from version 5.0 to 5.3 & EMCsymmetrix from version v6.4.x to v7.1.x. a. EMCpowerpath upgrade ...
Storage Administration - SAN / Storage Configs for Unixadmin
by Yogesh Raheja · Published June 30, 2021
HBA firmware upgrades on Solaris servers. In continuation to pre works for storage migration, herein I will be presenting HBA Firmware upgrades on Solaris servers (using Emulex & Lpfc utilities). We will be upgrading HBA Firmware from version 2.72a2 to 2.82a4 for HBA Model Model: LPe11002-M4...
Solaris Admin / Solaris Disk Management / Storage Configs for Unixadmin
by Yogesh Raheja · Published September 20, 2011 · Last modified July 2, 2015
How to do MIRRORING under SVM (Solaris Volume Manager) in Solaris. In this post I will be showing how to do mirroring (RAID1) in Solaris OS. Server availabilty is one of the major requirement in any environment. To achive this we used to do Mirroing in...
Linux Admin / Linux Disk Management / Linux LVM / Redhat Enterprise Linux 6 / Rhel6 Storage / Storage Configs for Unixadmin / Storage Migrations / Unix Intermediate
by Ramdev · Published March 25, 2021
In Enterprise Linux Environment, External storage often permits devices to be accessed by multiple physical paths. This improves redundancy and availability. SAN environment Red Hat Enterprise Linux provides the device-mapper-multipath component to manage multipath capable storage and to present multipath devices to applications running on the...
Linux Admin / Linux Disk Management / Linux LVM / Storage Configs for Unixadmin / Storage Migrations / Unix Intermediate
by Ramdev · Published June 16, 2014 · Last modified August 6, 2016
Sudo is different from the su command and is more flexible and more secure. The sudo command allows users to do tasks on a Red Hat Enterprise Linux system as another user. One significant advantage is that it can log usage. By default the program saves...
Blog for Unix Admin / Solaris Admin / Storage Configs for Unixadmin
by Ramdev · Published February 14, 2012 · Last modified December 30, 2015
Below is the sample scenario where we tried to restore the dead paths of SAN connection using the powermt commands. Warning: Please use any of these commands only if you understand the current storage setup of your server clearly.
Storage Configs for Unixadmin / VxVM Learning / VxVM Maintenance / VxVM Migrations / VxVM Upgrades
by Yogesh Raheja · Published August 24, 2021
In this post I will try to make a base which is used in Storage Migrations in Unix. I will be taking this post as a base and will post the storage migrations posts with reference to this one. Here I will be considering Solaris OS...
Beginners Lessons / Blog for Unix Admin / SAN Basics for Unix Admin / Solaris Admin / Storage Configs for Unixadmin
by Ramdev · Published August 20, 2021
In conventional IT systems, storage devices are connected to servers by means of SCSI cables. The idea behind storage networks is that these SCSI cables are replaced by a network, which is installed in addition to the existing LAN. Server and storage devices can exchange data...
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