Re: Data migration for replacing HDD with SSD - suggestions?

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On Sun, Dec 17, 2017 at 3:53 PM, Temlakos <temlakos@xxxxxxxxx> wrote:
> On 12/17/2017 05:49 PM, Ed Greshko wrote:
>>
>> On 12/18/17 06:14, Temlakos wrote:
>>>
>>> I wonder: am I the first here to build a system with all SDD drives? Or
>>> has any
>>> other subscriber to this list done that?
>>
>>
>> Hah, Hah, nope....    Been running one like that for several months now.
>> Half done
>> with switching another over to only SDD.  Will finish as soon as I find
>> the time.
>>
>
> We should compare notes, then. Did you install your system on one big SSD?
> Or did you install on one smaller system SSD for the "system" and a larger
> SSD for user data, as I am trying to do? And has your system improved in
> performance?

For a server? *shrug* I think an SSD is a bit overkill but it depends
very much on the workflow and use case. Even an HDD is going to be
faster than a single network connection. If you have multiple
computers connected to the server, writing many small files at the
same time, an SSD will clobber an HDD. You'll definitely see the
performance difference.

As for a smaller SSD just for booting, there's a tiny advantage in
that it's physically separate so if you're at all prone to making CLI
mistakes, there can be an isolation advantage. But as far as
performance, no not really. GPT supports 128+ partitions, and LVM is
in somewhere into the stratosphere beyond that many. So with either
conventional partitions, or LVM (or Btrfs subvolumes) there are many
ways to segment your SSD however you want.


-- 
Chris Murphy
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