dmx-3

EMC Symmetrix: VCMDB and ACLX

March 29, 2010 by Devang Panchigar Leave a Comment

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...]

Filed Under: Storage Tagged With: 6 cylinder, 96 cylinder, Access Control Logix, Access Logix Clariion, ACLX, channels, DMX, dmx-3, dmx-4, DMX2, EMC Symmetrix, ESN Manager, Fibre, fibrepath, HBA, Host, hypers, Ionix Control Center, iSCSI, SFS Volumes, SMC, solutions enabler, splits, SYMAPI, Symcli, Symmetrix File System, V-Max, VCM, VCM Edit Director Flag, VCM Gatekeeper, vcmdb, Volume Control Manager Database, Volume Logix

Symmetrix: The Journey of 20 Years

December 21, 2009 by Devang Panchigar 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...]

Filed Under: Storage, Tech Tagged With: DMX, DMX-2, dmx-3, dmx-4, EMC, Enginuity, Symmetrix, Symmetrix 3.0, Symmetrix 4.0, Symmetrix 4.8, Symmetrix 5.0, Symmetrix 5.5, V-Max

EMC Symmetrix, 20 Years in the making

July 30, 2009 by Devang Panchigar 2 Comments

So next year will mark a history of Symmetrix Products within EMC, still classified as one of the most robust systems out there after 20 years of its inception. In this blog post, we will talk about some facts on Symmetrix products as it relates to its features, characteristics, Enginuity microcode … [Read more...]

Filed Under: Featured, Storage Tagged With: Barry Burke, Celerra, Centera, Cisco, CLARiiON, cloud storage, Data General, DMX, DMX-2, dmx-3, dmx-4, Documentum, EMC, Enginuity Code, ESCON, FC, fiber drives, FICON, Flash drives, Gestalt IT, HP, IBM, ICDA, Jewel of EMC, Joe Tucci, Legato, microcode, modular power, Moshe Yanai, NDU, PowerPath, RAID 6, raid xp, RAID-5, RSA, RSF, RVA, SATA, Slice directors, SRDF, Symmetrix, Symmetrix 1.0, Symmetrix 2.0, Symmetrix 2.5, Symmetrix 3.0, Symmetrix 3000, Symmetrix 4.0, Symmetrix 4.8, Symmetrix 5.0, Symmetrix 5.5, Symmetrix 5000, Symmetrix 6.0, Symmetrix 6.5, Symmetrix 7.0, Symmetrix 8000, Symmetrix DMX, Symmetrix V-Max, Technology, TimeFinder, UCS, Unisys, V-Max SE, V-Sphere, Virtual LUN Technology, Vision, vmware

EMC Symmetrix DMX device type, COVD: Cache Only Virtual Device

July 3, 2009 by Devang Panchigar 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...]

Filed Under: Storage Tagged With: 5671, 5771, 5773, Cache only Virtual Devices, DMX, dmx-3, dmx-4, EMC, microcode, SRDF/A, Symmetrix

Expectations with new Generation of DMX Technology

February 26, 2009 by Devang Panchigar Leave a Comment

There has been a big chatter about the next generation of EMC machines. After the initial release of DMX-3’s in 2005 and then the DMX-4’s in 2007, next generation DMX is almost due now. With latest announcements from NetApp, IBM and EMC (Next Generation Celerra) in early Feb 2009, EMC's DMX … [Read more...]

Filed Under: All, Storage Tagged With: BCV, Celerra, CLARiiON, cost, deduplication, DMX, dmx-3, dmx-4, DMX-5, ECC, efficiency, EMC, flash, iSCSI, management, performance, RAID, RAID-DP, RAID-S, SATA, Symmetrix