What is AVM doing?

What is AVM doing?

Since I started working with VNX I’ve been wondering what is AVM (Automatic Volume Manager) doing with my file systems. It is great to know that you can delegate everything to AVM so you don’t care what happens between the LUN being assigned from the block side and the file system provisioning, but I always …

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EMC VNX .server_config command reference

EMC VNX .server_config command reference

It’s been a while since my last post, this time I’ll try to document as many parameters as I can for the .server_config command from EMC. This command is used to configure parameters and read information directly from your Data Movers, for some reason it is not documented by EMC, I guess it is because …

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Optimized recursion: Implementing a cache solution based on linked lists

Optimized recursion: Implementing a cache solution based on linked lists

As I might have said already, I’m no programmer, still I’m curious about programming languages and like to try things. This post, as the title suggests, is about how to implement a linked list and a set of functions which might help to work on a recursive scenario (being these recursive functions, recursive trees, recursive structures …

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Sorting a linked list

Sorting a linked list

While working on something (you’ll see on a later post), and since not being an experienced programmer, I faced this question, ‘how do I sort a linked list?’. I wasn’t in the mood to develop the algorithm from scratch so I started to look on the internet if there was any already written one, found some, but many …

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File copy tools, which is the best?

File copy tools, which is the best?

As an Storage administrator, one of my biggest nightmares in the day to day administration is dealing with CIFS shares and file copies, huge shares, with millions of files, tons of subfolders, orphan folders no one has access to  and UNC paths that go further than 256 characters. Copying data at file level in these …

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Netbackup 6.5 backup process

Netbackup 6.5 backup process

Today I have decided to do some writing on Netbackup… one of the famous backup tool in the corporative world. As you might already know, Netbackup is not so friendly but it is so scalable, that is why so many companies chose Symantec for backup purposes. Netbackup has many, MANY processes and commands, and the …

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NetApp cabling and hardware basics

NetApp cabling and hardware basics

In this post we will review some of the NetApp backend connectivity and hardware basics, like disk ownership, single path and multipath, partner cabling, etc. I decided to write this article since I’ve been working with NetApp for some time, but always managing them remotely, never had the chance to stand in front of one …

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