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#1 2016-11-28 12:16:00

dafero
Member
From: /home/dafero
Registered: 2014-03-22
Posts: 30

Disk cache m2 SSD and SATA3 SSD

Hi,

my laptop comes with 2 disks. One 32Gb m2 SSD and a 500Gb SATA HDD.
I've been using the 32Gb one as my / and the other one for /home.

Now I'm thinking of replacing the HDD by a SSD.

Would be worthy to keep using the 32Gb m2 SSD for caching porpoises?
EDIT: (assuming they would have the same performance)

Thanks!
Daniel.

Last edited by dafero (2016-11-28 12:17:01)

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#2 2016-11-28 12:31:13

graysky
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Posts: 10,597
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Re: Disk cache m2 SSD and SATA3 SSD

Probably more trouble than it's worth...


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#3 2016-11-28 15:56:33

dafero
Member
From: /home/dafero
Registered: 2014-03-22
Posts: 30

Re: Disk cache m2 SSD and SATA3 SSD

graysky wrote:

Probably more trouble than it's worth...

Why do you think so? Any previous experience?
Thanks!

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#4 2016-11-28 15:59:57

Slithery
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From: Norfolk, UK
Registered: 2013-12-01
Posts: 5,776

Re: Disk cache m2 SSD and SATA3 SSD

You can get a performance boost without spending any money by relocating /home to the SSD and just using the HD for media files.

dafero wrote:

...for caching porpoises?

How many have you got?


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#5 2016-11-29 11:45:12

dafero
Member
From: /home/dafero
Registered: 2014-03-22
Posts: 30

Re: Disk cache m2 SSD and SATA3 SSD

slithery wrote:

You can get a performance boost without spending any money by relocating /home to the SSD and just using the HD for media files.

dafero wrote:

...for caching porpoises?

How many have you got?

I'm afraid you misunderstood me.

My idea is replacing the HDD by a new SSD while keeping the m2 as a cache.

Thanks!

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#6 2016-11-29 14:12:43

R00KIE
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From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: Disk cache m2 SSD and SATA3 SSD

dafero wrote:
graysky wrote:

Probably more trouble than it's worth...

Why do you think so? Any previous experience?
Thanks!

Probably because your new ssd will be faster than the M.2 one so you would gain nothing.


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#7 2016-12-02 03:24:20

SaberSed
Member
Registered: 2016-12-02
Posts: 3

Re: Disk cache m2 SSD and SATA3 SSD

Why not changing the m2 drive ? and like pruposed before keep the hdd for media pupose ?

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#8 2016-12-02 19:29:24

dafero
Member
From: /home/dafero
Registered: 2014-03-22
Posts: 30

Re: Disk cache m2 SSD and SATA3 SSD

SaberSed wrote:

Why not changing the m2 drive ? and like pruposed before keep the hdd for media pupose ?

M2 SSD are at least as twice as expensive as SATA ones.
Also SSDs are supposed to use less power than HDDs. Even if the difference is not that big, this is always something good regarding I'm talking about a laptop.

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#9 2016-12-03 12:47:37

Mr.Elendig
#archlinux@freenode channel op
From: The intertubes
Registered: 2004-11-07
Posts: 4,092

Re: Disk cache m2 SSD and SATA3 SSD

Samsung 850 is about the same price in m.2 as 2.5" sata. Same goes for several other models.


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