Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base

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Basics and Data flow in NetApp Clustered Data OnTAP

 Similar to 7-mode we have three administrative privilage levels: admin, advanced and diagnostic. Clustered ONTAP system can be managed either from CLI or GUI (system manager or element manager). There are three different shells available with different scopes: Clustershell, nodeshell, systemshell Step:1 Access through CLI Clustershell:=========-SSH...

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Solaris Live Upgrade – Known Issues that frequently fails the Live Upgrade

      While troubleshooting some of the Live upgrade issues in my test environment, I have come across some important list of known issues which causes the Live Upgrade to fail. Even in the past, I have noticed that many Solaris folks complained about the...

3

SRDF – Symmetrix remote data facility

    Introduction: Symmetrix Remote Data Facility (SRDF) family of software is the industry’s most powerful suite of remote storage replication solutions for disaster recovery and business continuity designed by EMC. SRDF transparently remotely mirrors production or primary (source) site data to a secondary (target) site....

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Solaris Tips : Check current active boot device, when used in volume manager (SDS / SVM / VxVM)

During regular maintenance It is often a requirement  to us to determine which  disk we actually boot from when the root volume is under volume manager control.   Solaris on SPARC   Sparc with SVM  # prtconf -pv|grep bootpath: bootpath: ‘/sbus@3,0/SUNW,fas@3,8800000/sd@1,0:a’ Sparc with VxVM Root Volume...

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Unable to get EMC storage Lun's visible under veritas control in Linux.

  I was performing Storage migrations for Linux RHEL 5.x and 6.x having VXVM. Storage have provided the Lun’s and confirmed all is okay from their end. But I was unable to get them visible on Veritas level though the same were visible at OS level....

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