February 26, 2021
Well now I have
actual enterprise SAS drives running on a hardware RAID controller on a Raspberry Pi,
and it s faster than the fastest SATA RAID array I set up in that other video.
A Broadcom engineer named Josh watched my earlier videos and realized the ancient LSI card I was testing would not likely work with the ARM processor in the Pi, so he was able to send two pieces of kit my way:
A Broadcom-designed reference Universal Backplane following the SFF-TA-1005 standard
After a long and arduous journey involving multiple driver revisions and UART debugging on the card, I was able to bring up multiple hardware RAID arrays on the Pi.
SSD Vs HDD Speed in Professional and Server Use Cases
More often than not, HDDs have been used as storage units in servers, if the data is to be preserved for a longer period of time, particularly when speed of access is unimportant. Some of the biggest factors in choosing hard disk drives over solid-state drives are cost and storage size.
The cost per gigabyte of a HDD is lower than an SSD, the difference growing larger as more storage size is required. This is very important in enterprise applications, where drives are bought in bulk and replaced in bulk.
tanmayFebruary 18, 2021
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RISC-V (pronounced RISC-5) is the brainchild of UC Berkeley professors David Patterson and Krste Asanović. Patterson has a talent for catchy acronyms and architectures as a developer of RISC (Reduced Instruction Set Computing) and RAID (Redundant Array of Inexpensive Disks) in the 1980s. They outlined the case for RISC-V in this paper.
What is an ISA?
An ISA as an interface similar to an Application Programming Interface (API) for CPU operations. A compiler or interpreter translates your high-level language, such as C, into ISA commands for the processor to perform work.
Each ISA instruction is implemented by the underlying hardware. So, ISA designs need to consider how their instructions will affect the price/performance of the CPU. That s why ARM, for example, requires most license holders to use their hardware designs as well.
Source: Windows Central
On Windows 10, when the hard drive starts to run out of space, you usually add another to extend the available storage. Although it is a quick solution, as time goes on, you could end up with a long list of drives on your computer, which sometimes may not be the best approach to organize your data.
Instead of using other solutions like Storage Spaces or Redundant Array of Independent Disks (RAID) to combine drives into a logical volume, Windows 10 also allows you to mount a hard drive to a folder rather than using a drive letter. This approach will not only reduce the number of drive letters, but it will also help you to organize your drives better.