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SYMCLI Reference

1. Display the properties and details of a particular volume symdev sid xxxx show 2. List of available devices that are created but not assigned to the front end FA’s. symdev sid xxxx list noport nobcv 3. List of mapped devices on...

How to Recover from SRDF Link Failure

1.Disable consistency protection for SRDF/A pairs symrdf -g dgname disable or symrdf –sid xxx -f disable –rdfg xx 2.Change SRDF mode from Async to Adaptive copy write pending symrdf -g dgname set mode acp_disk or symrdf –sid xxx -f set mode acp_disk –rdfg xx 3.Initiate...

Symmetirx Gatekeeper Device

Gatekeeper are nothing but a device, a token device that are created to act as a gateway for the communication process. They receive user requests from CLI, GUI, or other means, and generate low-level commands (syscalls) that are transmitted...

VMAX3 Auto Provisioning Explained

The VMAX3 arrays are virtually provisioned. The VMAX3 arrays is delivered factory pre-configured where Data Pools and RAID protection levels, SLO are already created. With HYPERMAX OS 5977, Fully Automated Storage Tiering (FAST) eliminates all of the administrative overhead...

Dell EMC VMAX3 SnapVX Local Replication

We have been familiar with TimeFinder Mirror, Clone & Snapshot technologies of Symmetrix VMAX & Engunity OS.  TimeFinder SnapVX, usually called SnapVX, was introduced with the VMAX3 with New HYPERMAX OS version 5977 . SnapVX delivers instant and storage-consistent...

VMAX symconfigure failed – sil error in SYMAPI log

SYMAPI log, could see the following: 09/18/2017 12:21:57.779 5024 4404 Call to symmCreateClient for symmetrix XXXXXXXXXXXX failed – sil error code: -111 09/18/2017 12:21:57.779 5024 4404 Establishing session with Local cfg srvr XXXXXXXXXXXX …Failed. Troubleshooting : 1. Check the Symwin is running on...

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What is Cloud Computing? Definition & Advantages

Since the emergence of cloud computing many researchers have given definitions trying to define what exactly it is. So far, there is not a...

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