VCMDB: Volume Control Manager Database ACLX: Access Control Logix VCM: Volume Control Manager device (where the database resides) VCM Gatekeeper: Volume Control Manager Gatekeeper (database doesn’t reside on these devices) SFS Volumes: Symmetrix File System Volumes If you work … [Read more...]
EMC Symmetrix: Bin File
March 22, 2010 by 2 Comments
EMC Symmetrix BIN file, largely an unknown topic in the storage industry and practically there is no available information related to it. This post is just an attempt to shed some light as to what a BIN file is, how it works, what’s in it and why is it essential with the Enginuity code. Some EMC … [Read more...]
Symmetrix: The Journey of 20 Years
December 21, 2009 by Leave a Comment
So this year will mark the history of the Symmetrix products, 20 years since its inception and the Symmetrix has come long ways. Initially released in 1990, today’s Symmetrix does not come any close to what the product was 20 years ago. The underlying code (Enginuity) is what drives and gives the … [Read more...]
EMC Symmetrix DMX-4 and Symmetrix V-Max: Basic Differences
July 7, 2009 by 1 Comment
In this post we will cover some important aspects / properties / characteristics / differences between the EMC Symmetrix DMX-4 and EMC Symmetrix V-Max. It seems like a lot of users are searching on blog posts about this information. From a high level, I have tried to cover the differences in … [Read more...]
EMC Symmetrix DMX device type, COVD: Cache Only Virtual Device
July 3, 2009 by Leave a Comment
On Twitter this morning we (@chrismevans, @basraayman, @davegraham) were discussing device type: COVD (Cache Only Virtual Device) on EMC Symmetrix DMX platform. So here is some information on Cache Only Virtual Devices. I do not have a very clear picture on the overall operation of this device … [Read more...]
EMC Symmetrix V-Max: Enginuity 5874
July 1, 2009 by Leave a Comment
EMC Symmetrix V-Max systems were introduced back in the month of April 2009. With this new generation of Symmetrix came a new name V-Max and a new Enginuity family of microcode 5874. To read about Symmetrix on StorageNerve Blog: http://storagenerve.com/tag/symmetrix To read about V-Max systems on … [Read more...]
EMC Symmetrix DMX-4: Supported Drive Types
June 30, 2009 by Leave a Comment
In this blog post we will discuss the supported drive models for EMC Symmetrix DMX-4. Right before the release of Symmetrix V-Max systems, in early Feb 2009 we saw some added support for EFD’s (Enterprise Flash Disk) on the Symmetrix DMX-4 platform. The additions were denser 200GB and 400GB … [Read more...]
Vaulting on EMC Symmetrix V-Max Systems
May 6, 2009 by 1 Comment
In this blog post we will cover the Vaulting technology related to the EMC Symmetrix V-Max and the DMX-4 technology. Vaulting is a key feature added on DMX-3 series of machines, which was further extended into the DMX-4’s and now the Symmetrix V-Max Systems. With power outages or major power … [Read more...]
EMC Symmetrix DMX-4: Components
March 16, 2009 by 2 Comments
In my previous posts on EMC Symmetrix 3, 5, 8 Series and EMCSymmetrix DMX, DMX-2 Series we discussed some important components comprised in these systems. In this post we will discuss components of EMC Symmetrix DMX-4. EMC Symmetrix DMX-4 consist of 1 System Bay and (1 upto 8) Scalable … [Read more...]