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Thread: Ubuntu and SSD

  1. #1
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    Ubuntu and SSD

    It seems to me that the main benfit of SSD drives is boot time - my understanding (I could be wrong here) is that once booted the PC runs in RAM anyway. I can see in Windows world this could be huge attraction but as Ubuntu boots within 60 secs is there any great advantage in going SSD? I guess there could be times when an app need to write the HD and I'm guessing RAM to a SSD is faster than RAM to HD but if you have 2MB or 4MB of RAM is this a big issue for 90% of users? I can put up with booting within 60secs so what is the point of going SSD in Ubuntu world?
    Last edited by cariboo; September 19th, 2013 at 10:38 PM. Reason: correct windows spelling error

  2. #2
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    Re: Ubuntu and SSD

    Live sessions run in RAM, but normal installed systems do not. They use the root partition for a lot of read/write operations.

    You can make it use RAM, for example with a boot option or acoording to this thread

    Making Ubuntu Fast using RAM (updated and simplified)

  3. #3
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    Re: Ubuntu and SSD

    The first time you start an app it will be read from the HD so an SSD would speed this up too.

  4. #4
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    Re: Ubuntu and SSD

    I use mine for screencasting and video editing.

  5. #5
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    Re: Ubuntu and SSD

    Running off of an SSD makes your system run faster (typically a few seconds faster load times, depending on the program). But make sure your SSD runs from a PCI Express 2.x port to eliminate SATA bottleneck. Also, best format with Btrfs than Ext4, as Btrfs is a little more optimized for SSDs.

  6. #6
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    Re: Ubuntu and SSD

    Quote Originally Posted by King Dude View Post
    Running off of an SSD makes your system run faster (typically a few seconds faster load times, depending on the program). But make sure your SSD runs from a PCI Express 2.x port to eliminate SATA bottleneck. Also, best format with Btrfs than Ext4, as Btrfs is a little more optimized for SSDs.
    On my new MSi-B75MA-P45 mobo I get 6Gb/s transfer with my OCZ-AgilityY3. 3 seconds to boot up. Less than 1 second to load Libre Office (@ first jump).. etc... and I am running the development branch- saucy. The drive and the mo-board are SATA 3 compatible .

    I am experimenting with O'clocking and am going to try that drive on a 1.5Gb/s SATA connect.
    This is not Convergence, This is now Gnome
    Ubuntu Development Version Testing Blog Remarks
    Running 16.04 on Mobo: MSI model: B85-G41 PC Mate(MS-7850) v: 1.0

  7. #7
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    Re: Ubuntu and SSD

    12 second boot time with SATA 3 on a 1.5Gb/s SATA with a P4 overclocked to 3.939GHz.

    Code:
    ventrical@ventrical-System-Product-Name:~$ sensors
    atk0110-acpi-0
    Adapter: ACPI interface
    Vcore Voltage:      +1.54 V  (min =  +1.45 V, max =  +1.75 V)
     +3.3 Voltage:      +1.66 V  (min =  +3.00 V, max =  +3.60 V)
     +5.0 Voltage:      +1.58 V  (min =  +4.50 V, max =  +5.50 V)
    +12.0 Voltage:     +12.14 V  (min = +11.20 V, max = +13.20 V)
    CPU FAN Speed:     4115 RPM  (min =    0 RPM, max = 1800 RPM)
    CHASSIS FAN Speed:    0 RPM  (min =    0 RPM, max = 1800 RPM)
    POWER FAN Speed:      0 RPM  (min =    0 RPM, max = 1800 RPM)
    CPU Temperature:    +44.0°C  (high = +90.0°C, crit = +125.0°C)
    MB Temperature:     +30.0°C  (high = +70.0°C, crit = +125.0°C)
    Power Temperature:  +15.0°C  (high = +80.0°C, crit = +125.0°C)
    
    nouveau-pci-0400
    Adapter: PCI adapter
    temp1:        +36.0°C  (high = +95.0°C, crit = +105.0°C)
    
    ventrical@ventrical-System-Product-Name:~$ sudo dmidecode -t processor | grep "Speed"
    [sudo] password for ventrical: 
        Max Speed: 4000 MHz
        Current Speed: 3939 MHz
    ventrical@ventrical-System-Product-Name:~$
    This is not Convergence, This is now Gnome
    Ubuntu Development Version Testing Blog Remarks
    Running 16.04 on Mobo: MSI model: B85-G41 PC Mate(MS-7850) v: 1.0

  8. #8
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    Re: Ubuntu and SSD

    Quote Originally Posted by Quarkrad View Post
    It seems to me that the main benfit of SSD drives is boot time
    Main benefit is that everything starts much faster. Particularly things not in RAM like Games etc
    // Blog

  9. #9
    Join Date
    Aug 2013
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    Re: Ubuntu and SSD

    Best investment that one can do.
    I add a 128 GB, use only a fraction of that (all data stay on the HDD). Everything is faster including system backup.
    Beside I don't mess with the Windows 8 on the HDD.
    They say that the larger (256G, 512G) SSDs are faster but they cost a bundle.

  10. #10
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    Re: Ubuntu and SSD

    I got a Samsung 256GB SSD in my Gaming box and can load Win7 from a cold boot in about 10 seconds. Real benefit can be if your running low on RAM and the OS has to cache some information back to the SSD. But more RAM you have less this can be helpful. That said like everyones pointed out, loading other applications in shorter times is a real plus. Speaking of which I installed World of Warcraft on one of my regular drives the last time and I really need to move it over to the SSD.. Loading heavy game data quicker to get into an instance run really makes game play less stressful. I am on my Mac so I cant remember the exact speeds mine gets but its faster then the advertised speed by a small amount.
    Mac Mini: OSX 10.9 Mavericks, i7-3720QM 2.6Ghz, 16GB RAM, 1.25TB Fusion Array, Intel HD4000 iGPU
    Photo Blog on Youtube: www.youtube.com/user/ExodistPhotoBlog
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