Re: Partitioning between SDD and HDD

"Eddie G. O'Connor Jr." <eoconnor25@xxxxxxxxx> · Fri, 21 Dec 2012 14:23:16 -0500



    On 12/21/2012 11:51 AM, Alan Evans
      wrote:

    
          On Fri, Dec 21, 2012 at 6:35 AM,
            Eddie G. O'Connor Jr. wrote:

            
              You mean that all
                this hype over SSD's and they're LIMITED? I thought they
                were supposed to be BETTER than the spinning drives of
                today? Exaclty how are they better if they come
                "out-of-the-box" with limitations? Just curious...

              
        It's well known that flash devices have
          a limited number of writes. This number is pretty high,
          though. And with caching and load-balancing built into the
          drive's firmware, it is typically not a major concern.

          
          However, although SSD devices have lightning-fast read
          performance, writing to them is considerably slower. Think of
          the difference between reading a big file from a flash thumb
          drive versus writing a big file. That doesn't mean that you
          should never write to them, but if the intended use involves
          writing very frequently (like /var or /tmp) then it might not
          be a good fit.

        
        Also, SSD is much more expensive,
          byte-for-byte, than a hard drive. If you want a lot storage
          (my /home partition is well over a terabyte) then SSD is
          pretty cost prohibitive.

          
        On the other hand, my system drive is
          SSD and, because of the fast read performance, my computer
          boots, after the BIOS screen, in four seconds. From the login
          screen to my desktop is another 2-3 seconds. Starting even
          very large applications is pretty snappy.

        
    WOW!.....talk about speeding up. Well I have a Gateway laptop so
    there's not physical way I could do 2 different types of drives, but
    I also have a CentOS desktop, maybe I can do it there, is SSD
    something that an old "Pentium 4" PC could use? I think I'll look
    into this...do some Googling! Thanks for the info!

    
    EGO II

  
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