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SSD - best setup

 
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Ram
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Joined: Thu Apr 07, 2005 10:44 pm
Posts: 1669
Location: Guisborough

PostPosted: Thu Feb 20, 2014 12:59 pm    Post subject: SSD - best setup Reply with quote

Just purchased SSD - what is the best way to set it up for use with Linux, trim etc.

Haven't decided where it going just yet.

Laptop - openSUSE 12.3 - thinking of upgrading to 13.*
Desktop - Ubuntu / LXDE 13.10.
Server - openSUSE 11.* - which does need an update.
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Rhakios
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Joined: Thu Apr 07, 2005 12:18 am
Posts: 7628
Location: Midlands, UK

PostPosted: Thu Feb 20, 2014 6:59 pm    Post subject: Reply with quote

I suppose the file system is up to you to choose, I use ext4, but I think btrfs is supposed to work fine with SSDs.
For mount options, I use noatime,discard and I've also moved some of the sections of the filesystem off to tmpfs to avoid unnecessary writes:
Code:

#tmpfs modifications for SSD
tmpfs   /tmp   tmpfs   defaults,noatime,mode=1777   0   0
tmpfs   /var/spool   tmpfs   defaults,noatime,mode=1777   0   0
tmpfs   /var/tmp   tmpfs   defaults,noatime,mode=1777   0   0


I have found putting an SSD into a laptop disappointing on one machine. It seems, from what I have read, that the SATA bus is underclocked to reduce power consumption on some models (especially cheaper ones with smaller batteries).
However, on my desktop machine, boot to log-in is about 7 seconds and things like LibreOffice open in a trice.
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Ram
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Joined: Thu Apr 07, 2005 10:44 pm
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Location: Guisborough

PostPosted: Thu Feb 20, 2014 8:13 pm    Post subject: Reply with quote

I can test with the laptop first. HP G62 Quad core i3 so hopefully the sata bus hasn't been put on a go slow.

Is there any setup needed prior to installation of the distro?
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Rhakios
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Joined: Thu Apr 07, 2005 12:18 am
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Location: Midlands, UK

PostPosted: Thu Feb 20, 2014 8:43 pm    Post subject: Reply with quote

Installing Mint16 (and 15 before it come to that) partitioning proceeded as with a normal HDD and I found the partitions to be aligned when I checked them (with parted IIRC).
The other modifications were made after the distro was installed.
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Ram
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Joined: Thu Apr 07, 2005 10:44 pm
Posts: 1669
Location: Guisborough

PostPosted: Thu Feb 20, 2014 9:07 pm    Post subject: Reply with quote

Cheers.
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