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Mark Campbell

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In a previous post, we reviewed a GitLab issue and asked our readers, what is the worst sysadmin mistakes you have made? While searching for information on the topic I discovered this Reddit thread with over 200 comments from sysadmins around the world explaining their biggest mistakes and what they taught them. This is a […] The post Worst Ever Sysadmin Mistakes appeared first on Unitrends Blog. ... (more)

Gartner Backup and DRaaS Magic Quadrants

Gartner backup – by which I mean the traditional Gartner perspective on backup vendors as published in the Gartner Magic Quadrant for Backup and Recovery for Data Centers – used to be simple.  Then a few years ago Gartner began publishing a second Gartner Magic Quadrant for Disaster Recovery as a Service (DRaaS.)  Later in […] The post Gartner Backup and DRaaS Magic Quadrants appeared first on Unitrends Blog. ... (more)

VMware and Windows Quiescing for Crash-Consistent Backups

Unitrends offers VMware VADP-level backup protection in its backup appliances beginning with release 5.  One of the primary objections to using this for some Windows clients has been what’s known as the application-level quiescing problem – the fact that applications running within a Windows GOS (Guest Operating System) such as SQL or Exchange would not produce crash-consistent backups – in plain speak, when you went to recover you’d have to perform integrity tests to attempt to recover partial data for these applications. With VMware 4.1, this is now supported.  The tables and... (more)

SAN Backup, Broken Legs, Football, and Stupidity

After the SAN backup fiasco in Virgina, I started thinking about how how far we’ve gotten from the concept of what backup is really all about. Imagine the following scenario from a college football game this weekend: [In the middle of a nationally televised football game a linebacker blitzes and catches the quarterback on the blind side; the quarterback's leg snapping is audible to the sideline microphones.] Trainer: Coach, your first-string quarterback, Tom, has a broken leg.  You need to get your backup in there. Coach: Okay.  Let’t get Tom in there. Trainer: I don’t think that... (more)

Enterprise Online Backup and Losing a Lady Gaga MP3

Recently there was an interesting blog post by Scott Raymond entitled “Where Are the Affordable Enterprise Online Backups?” I made a comment to it – to the effect that bandwidth and RTO (Recovery Time Objective) are incompatible.  That caused some other comments to be made.  I decided to write a bit longer post concerning the entire phenomenon on this blog. First of all, the term “enterprise online backup” is a bit misleading.  What the author of the post was complaining about was that there are no unlimited storage options with associated flat-rate pricing of the sort in the co... (more)