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cmas1148 04-28-2013 05:50 AM

Need some help on a SSD and HDD install
Hey everyone! What I needed some opinions and help on is performing an Ubuntu 13.04 install on a laptop that I can use the best of both worlds with my 64GB SSD and 750GB hard drive and utilize them both.

Laptop Specs:
HP Envy dv7-7243nr
Core i5-3210M
Intel HD 4000
750GB Samsung 5400RPM HDD

My plan so far is to have /home and SWAP on the HDD, /tmp on a 1GB RAMdisk (if I can get that to work), and everything else on the SSD. Now this laptop is also a UEFI setup which I am new too so I need some help on what to to for a EFI partition on the SSD. This is a Ubuntu only box so no dual booting setup required. Just want to know if this particular setup will work well and just get some professional second opinions on this. I would start fiddling with this now but I am waiting on the SATA cord for the secondary HDD bay before I can try it out. Any help would be appreciated! 04-28-2013 08:37 AM

The _latest_ Ubuntu version supports UEFI secure boot, so in essence you won't have to worry about it if you get a newer GNU/Linux kernel with UEFI support. If you install / and swap on the SSD, you don't need to put /tmp in a RAM disk. It will reside on the SSD and the difference from ramdisk will be minor.

But do remember to activate SSD trim! (It's simply adding a couple of lines into the /etc/fstab file.) I know some newer distros does this automatically (OpenSUSE AFAIK), but just check it yourself.


The most important one is 'discard', but 'noatime' will also reduce number of writes to SSD. It's all about increasing the longevity of the SSD.

onebuck 04-28-2013 10:42 AM


A good article; Enable TRIM On SSD (Solid-State Drives) In Ubuntu For Better Performance is a good reference.

I would consider using the 'noop' I/O scheduler for your 'SSD' device, see 2.2 I/O Scheduler

Hope this helps.

TenTenths 04-29-2013 06:53 AM

You'd be better off putting your SWAP on the SDD, make use of the speed of that when you need it most.

onebuck 04-30-2013 10:04 AM

Member Response

FYI: Linux 3.9 Clamps Down on Power Speeds Up with SSD

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