Devang Panchigar

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

EMC Symmetrix: Bin File

March 22, 2010 by Devang Panchigar 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...]

Filed Under: Storage Tagged With: back end, Bin File, binary file, bus, CKD, Directors, dmx-4, Drives, e-lab navigator, ECC, EMC, Engines, Enginuity Code, ESCON, FC, FICON, flags, front end, gbe, IML, IMPL, Ionix, loop, memory, osd, Ports, rf, Serial Number, Slots, SMC, solutions enabler, SRDF, SYMAPI, Symcli, Symmetrix, Symmetrix Management Console, V-Max, Volumes, VPN

Symmetrix File System (SFS)

March 10, 2010 by Devang Panchigar Leave a Comment

Very little is known about the Symmetrix File System largely known as SFS. Symmetrix File System is an EMC IP and practically only used within the Symmetrix environment for housekeeping, security, access control, stats collection, performance data, algorithm selection, etc. If there are any … [Read more...]

Filed Under: Storage, Tech

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

FAST: Features, Drawbacks, Applications and some Questions

December 11, 2009 by Devang Panchigar Leave a Comment

FAST (FULLY AUTOMATED STORAGE TIERING) FAST made a debut in the storage market yesterday (12/08/09). Finally after the market buzz we got a preview of the product in terms of its features, functionality, characteristics, possible shortcomings and use cases. This blog post focuses on the … [Read more...]

Filed Under: Storage Tagged With: "in-the-box", "out-of-box", 5874, Advanced Tiering Storage management, Atmos, ATSM, average I/O, Celerra NS, Centera, CKD, CLARiiON, configuration, CX4, Data center, Drives, FAST, FAST LUN Migrator, FBA, Fibre, flash, Fully Automated Storage Tiering, IOPS, LUN, Mainframe, multitenancy, Naviseccli, Navisphere Analyzer, Open Systems, policy, Private Clouds, Rainfinity file management / VE, Rainfinity File management appliance, Raw capacity, Release 29, SATA, SLA, storage groups, Symcli, Symmetrix Management Console, Symmetrix V-Max Thick provisioning, vblock, virtual provisioning

After all, FAST makes a debut

December 10, 2009 by Devang Panchigar Leave a Comment

So EMC has proved critics like me wrong and have introduced EMC FAST (Fully Automated Storage Tiering) as an offering in Dec 2009. There were many skeptics like me that saw this product release being stalled because of various reasons, here. FAST (Fully Automated Storage Tiering) … [Read more...]

Filed Under: Storage, Tech Tagged With: 5874, Atmos, Automated, Celerra, Centera, CLARiiON, CLI, CX4, Data Movement, Dynamic Cache Partitioning, EMC, FAST, Fibre, flash, Fully Automated Storage Tiering, Navisphere Analyzer, Navisphere Quality Service manager, NS, Rainfinity file management / VE, Rainfinity File management appliance, Release 29, SATA, SSD, Symcli, Symmetrix Management Console, Symmetrix Optimizer, symmetrix performance analyzer, symmetrix priority controls, V-Max

Drobo Performance Stats

December 2, 2009 by Devang Panchigar 1 Comment

Some discussions on twitter last week triggered the topic of performance relating to the Drobo’s. This is the 5th consecutive post on Drobo Series of products. To read other Drobo related posts: Drobo S and DroboElite – Introduced 11/23/2009 Some very interesting articles on Drobo S … [Read more...]

Filed Under: Desktop, Featured, Storage Tagged With: cache, Data Robotics, Drives, Drobo, Drobo Elite, Drobo Pro, Drobo S, Firewire, GB, GB/sec, gestaltit, I/O, MB/sec, performance, Read, Stats, techfieldday, Transactions, USB, Write

Policy! Policy!! Policy!!!

October 21, 2009 by Devang Panchigar Leave a Comment

It has been an exciting month, some new details are emerging related to automated storage tiering, workload distributions, workflow automation, SLA's, QoS and how Policy based storage management can help solve these challenges. "Policy" as we all know in the "business world", "advanced algorithms" … [Read more...]

Filed Under: Featured, Storage Tagged With: @storagenerve, Algorithms, Application, Automated Storage Tiering, Compellent, Data Progression, EMC, FAST, HDS, Hetergenous, Hybrid Clouds, IBM, Middleware, Networking, OS, Pillar Data Systems, policy, Private Clouds, Public Clouds, QoS, Server Virtualization, SLA, Storage Blogosphere, workflow automations, Workload distributions

Enhancements to EMC Symmetrix V-Max Systems coming!!

October 15, 2009 by Devang Panchigar 3 Comments

Enhancements to EMC Symmetrix V-Max systems is possibly around the corner (FY09 Q4). FAST (Fully Automated Storage Tiering) is due this quarter and will be one of the most awaited software release in the enterprise storage space by EMC. Bundled together with FAST, possibly a new microcode … [Read more...]

Filed Under: Featured, Storage Tagged With: Atmos, cache, Devang Panchigar, Ed Saipetch, EMC, FAST, FCoE, Fully Automated Storage Tiering, gestaltit, Ionix, iSCSI, Management Console, microcode, Open Migrator, Open Replicator, Petabyte, RapidIO, Sata II, SMC, SRDF / DM, Symmetrix, Symmetrix V-Max, Terabyte, V-Max, vSphere

SUN ORACLE Exadata Version 2: Showing the power of ORACLE SUN

September 16, 2009 by Devang Panchigar 5 Comments

The US Regulators gave the ORACLE purchase of SUN a go ahead several weeks ago, but EU Regulators are still actively looking at Antitrust laws with the possible buyout of SUN by ORACLE. ORACLE's (Mr. Larry Ellison's) quest to own an infrastructure company is becoming true with the purchase of … [Read more...]

Filed Under: All, Cloud Computing, Featured, Networking, Storage Tagged With: Data Warehousing, Exadata, Flash Cache, IBM DB2, Infiniband, John Fowler, Larry Ellison, NCR Teradata, OLTP, Oracle, Server Virtualization, Storage, Sun