Mac raid 0 block size


  • How to Set the Block Size of Software RAID;
  • What Raid0 STRIPE SIZE should I choose? | Tom's Hardware Forum;
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Then I repeated with k and k block sizes. My results were interesting.

My USB 2. I got consistently slower results from choosing K. I did the testing with an empty drive, so my speeds were faster than a RAID that is full. That is a heck of a lot faster than a single drive. BTW only buy black hard drives, not green drives. If you are worried about the environment spend the time you save by using faster drives and go outside and plant a tree.

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Use Disk Utility to Create a RAID 0 (Striped) Array

If you want to do some testing the next time you set up your RAID please let me know your results in a comment. Hey, thanks for posting. I stumbled on this article in my google search results when looking for best practices for creating a raid set.


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  • Default Parameters of Software Stripe Sets (RAID 0) in Mac OS X;
  • What Raid0 STRIPE SIZE should I choose?.
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Hello, perhaps you can include this, which is a piece of information all blogs on this subject fail to address. PS the default block size in MacOS is just bytes. I am performing data transfer through Silverstack Pomfort by the way. Your email address will not be published. Website optional: Home Film Blog Contact.

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RAID 0 Striping

For me the best testing results came when I set the block size to K, not K. Share this! Programs that write data which is smaller than the stripe size will not see an improvement from striping, since a single drive within the stripe has to handle such requests. But writing for example 1MB of data means that all the drives get a share, and thus will handle part of the data in tandem, providing far higher performance.

Unfortunately, there is no shortage of poorly-programmed applications that make small reads or writes, negating any advantage or a stripe.

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Creating a software RAID-0 stripe

Helpful answers Drop Down menu. Desktops Speciality level out of ten: From Computerweekly: From Toms Hardware: View answer in context. Loading page content. What are you using the Raid0 setup for?

Use Disk Utility to Create a RAID 0 (Striped) Array

How much a difference does the right or wrong block size make? Any impact on SSD life? Reply Helpful Thread reply - more options Link to this Post.


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