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Exploring hard drive options: RAID versus JBOD

From: Lightroom 4 Catalogs in Depth

Video: Exploring hard drive options: RAID versus JBOD

All right. Well, an important step in developing an effective digital asset management workflow or strategy is considering how you want to save and store your files. And here what I want to do is talk about two traditional approaches, and I want to talk a bit about the pros and the cons of each. In the next movie, I'll give you a few recommendations, but here I really want to try to understand the concepts of these two different approaches. All right. Well, on my far right, you can see I have a number of different drives. Well, many people choose this approach.

Exploring hard drive options: RAID versus JBOD

All right. Well, an important step in developing an effective digital asset management workflow or strategy is considering how you want to save and store your files. And here what I want to do is talk about two traditional approaches, and I want to talk a bit about the pros and the cons of each. In the next movie, I'll give you a few recommendations, but here I really want to try to understand the concepts of these two different approaches. All right. Well, on my far right, you can see I have a number of different drives. Well, many people choose this approach.

They work with a lot of different types of hard drives. This approach typically is referred to as JBOD. That stands for Just a Bunch Of Drives. And this is a great approach because, well, it's really inexpensive and flexible. Once you fill up a drive we'll just buy another and then another and another. The downside of course is that if you think about this over the long haul, you end up having a lot of hard drives, and you may not be really sure how old a hard drive is or how well it's functioning because you have so many different variables.

Yet on the positive side, it's flexible and it's typically pretty inexpensive. Another approach is to use a RAID device. Here I have two different RAID devices. One which was made by G-Tech another one by Drobo. All right. Well, what is a RAID drive? Well, RAID stands for Random Array of Inexpensive Drives. I know those are kind of funny acronyms, but a RAID essentially is used for either two reasons: one is speed or two is security. And here I'm talking about it more from the secure perspective.

Let's say with this Drobo. I'll go ahead and open up the front cover and what you'll see is that here I have a number of different bays which are full of hard drives. And what happens with the RAID like in these scenarios here is that when I copy an image to this drive it actually parses it out. It spreads it out across these hard drives, so that if I'd lose one hard drive, I won't lose that image. On the other hand, if I'm working in this scenario, if this hard drive dies, whatever is on that hard drive goes with it.

So a RAID has built-in redundancy. So why then wouldn't everyone go for working with a RAID system? Well, typically, it costs a bit more. So again, there are pros and cons to both approaches. One is flexible, perhaps a bit more economic, the other one is more secure. So which one will work best for your workflow? Well, that's really up to you, but what you need to do is think strategically about how you want to store and save your images.

In other words, commit to one of these approaches and really start to think about it methodically. If I am going to go for this JBOD approach, well, how do I want to name and store and save all of these different hard drives? Perhaps you want to commit to a manufacturer so that all of your hard drives have some consistency, or maybe what you need to do is come up with a system where once you fill up a few hard drives, you buy a new one that's bigger and you take all of the data from those four hard drives and copy it to one.

In other words, you have to come up with a way to manage all of these different devices, or perhaps you're going to work with a RAID box. With a situation like that, you also need to think about, well, wow, this does have built-in redundancy. It is backing up my files for me in a more secure way. We also need to back this information up. In other words, just because you have your seatbelt on doesn't mean that you can drive recklessly. So again, as you think about these two approaches you want to consider which will work best for you.

And in the next movie, what I want to do is share with you a few recommendations, which I think will help you sort out some of these decisions, so that you can have a more effective digital asset management strategy.

Show transcript

This video is part of

Image for Lightroom 4 Catalogs in Depth
Lightroom 4 Catalogs in Depth

37 video lessons · 8444 viewers

Chris Orwig
Author

 
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  1. 1m 40s
    1. Welcome
      1m 2s
    2. Using the exercise files
      38s
  2. 11m 25s
    1. Understanding why digital asset management matters to Lightroom
      2m 35s
    2. Exploring hard drive options: RAID versus JBOD
      3m 59s
    3. Hard drive recommendations
      4m 51s
  3. 30m 46s
    1. What are catalogs and why do they matter?
      5m 33s
    2. Where are my catalog files?
      2m 6s
    3. Importing images into a catalog
      3m 22s
    4. Where are my images?
      1m 59s
    5. Making folder and image changes
      5m 3s
    6. Keeping your catalog current by synchronizing folders
      4m 36s
    7. Comparing catalogs, collections, and folders
      4m 43s
    8. Upgrading legacy catalogs
      3m 24s
  4. 13m 36s
    1. Exploring catalog backup defaults
      5m 2s
    2. Performing a better catalog backup
      4m 6s
    3. Optimizing catalogs
      1m 51s
    4. Deleting old catalogs
      2m 37s
  5. 17m 13s
    1. Exporting catalogs
      6m 38s
    2. Understanding how to work with multiple catalogs
      3m 26s
    3. Merging multiple catalogs
      7m 9s
  6. 13m 29s
    1. Consolidating catalogs
      3m 54s
    2. Relinking multiple images
      3m 7s
    3. Solving catalog conflicts with new hard drives
      3m 30s
    4. Dealing with computer crashes and locked catalogs
      1m 15s
    5. Restoring from a backup catalog
      1m 43s
  7. 42m 36s
    1. Introducing raw and DNG processing
      5m 21s
    2. Understanding how Lightroom saves raw adjustments
      4m 33s
    3. Saving adjustments to raw files
      4m 55s
    4. Saving adjustments to DNG, TIFF, PSD, and JPEG files
      3m 17s
    5. Working with catalogs and virtual copies
      4m 18s
    6. Converting to DNG: the Embed Fast Load Data option and lossless compression
      5m 12s
    7. Archiving a photo as a DNG with lossy compression
      5m 31s
    8. Working with CMYK files in Lightroom
      3m 8s
    9. Making changes to CMYK files
      6m 21s
  8. 1m 32s
    1. Using dpbestflow.org as a resource
      52s
    2. Looking at helpful demo files
      40s
  9. 27s
    1. Adios
      27s

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