For Solaris 8 hosts the common multipathing product is VxDMP or EMC PowerPath. And for Solaris 10 hosts it can be MPxIO (the majority), VxDMP or EMC PowerPath. It is important to note that both VxDMP and MPxIO can be active at the same time;...
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...
Blog for Unix Admin / Solaris Admin / Solaris Disk Management / Storage Configs for Unixadmin
by Ramdev · Published March 22, 2021
With the release of Solaris 10 Operating System (OS), the configuration of Storage Area Network (SAN), Serial Attached SCSI (SAS) attached devices, and turning on STMS/MPXIO has changed. This Post details the new ways devices are brought into the operating system, and their configuration files. The...
Solaris Admin / Storage Configs for Unixadmin / VxVM Learning / VxVM Maintenance / VxVM Migrations / VxVM Troubleshooting
by Ramdev · Published March 11, 2021
To simplify the Storage addition operation, i just made a quick cheat sheet for your easy understanding and quick reference, since this information cannot be presented as html format i will be sharing it in image format, which you can print and use it as desk...
Blog for Unix Admin / Solaris Admin / Storage Configs for Unixadmin
by Ramdev · Published February 28, 2021
Under normal circumstances, an administrator could use the EMC PowerPath commands to obtain this information (ie. the powermt command). Sometimes this output is not always available, especially since Sun Explorer script does not collect it.
Information Centers / Rhel6 Storage / Site Reference / Solaris Disk Management / Sticky posts / Storage Configs for Unixadmin / Storage for Unix Admin / Storage Migrations
by Ramdev · Published September 16, 2015 · Last modified September 19, 2019
Read – SAN Guide for Beginners Read – SAN Storage Responsibilities for Enterprise System Administrators Read – Pre-Planning/Pre-work required for Storage Migrations in Unix. Read – SCSI Guide for Beginners Read – EMC Power Path commands for system administrators Read – Determine WWN for HBA...
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...
Solaris Disk Management / Storage Configs for Unixadmin
by Ramdev · Published October 26, 2013 · Last modified July 23, 2016
What is Oracle Solaris Storage Multipathing MPxIO? MPxIO Provides multipath access to storage luns by grouping together the physical paths and presenting a single logical path. Supports both symmetric and asymmetric storage Controls failover / failback of LUNs as appropriate due to path failures, either manually or...
Solaris Admin / Storage Configs for Unixadmin / Unix Intermediate / VxVM Learning / VxVM Migrations
by Ramdev · Published April 8, 2013 · Last modified July 23, 2016
This is a following post for my previous SAN migration post Solaris host level SAN migration (with SVM) from Clariion to VMAX. As discussed earlier in my previous post, many organisations started migrating their Server storage from Old legacy SAN devices ( e.g. EMC Clariion )...
Linux LVM / Storage Migrations / Unix Intermediate / VxVM Learning / VxVM Migrations / VxVM Troubleshooting
by Ramdev · Published December 26, 2012 · Last modified August 22, 2015
Storage Operation VXVM RHEL LVM2 Installation and Configuration Installed using Veritas installer Installed as part of standard build via rpm Scan for new devices # vxdctl enable # vgscan Print list of volumes # vxprint -v # lvdisplay -C Print current config (detailed) # vxdg list # vgdisplay list volume...
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