Re: [gentoo-user] SSD partitioning and migration

["Randolph Maaßen" <r.maassen60@gmail.com>]

2013/7/19 Dale <rdalek1967@gmail.com>
>
> Neil Bothwick wrote:
>>
>> On Fri, 19 Jul 2013 03:22:11 -0500, Dale wrote:
>>
>>>>> Do you really want to put /home on a SSD?
>>>>
>>>> Why not?
>>>>
>>>> /home is the most frequently-read directory on most systems, and SSD
>>>> is ideal for that.
>>>>
>>>> If you are concerned about wear-levelling, /home is not the danger
>>>> point
>>>
>>> Interesting.  I'm not sure I would want mine on a SSD even if it would
>>> fit on one.  The only part that might help would be my .kde
>>> and .mozilla directory.
>>
>> SSDs are not like USB flash drives, and it's been years since I managed
>> to wear one of those out (mainly due to a kernel bug). They have
>> lifetimes similar to spinny disks these days.
>>
>>
>
> Now I really feel about better getting one.  That was my concern and reason for the question.  I'm sure /home gets its share of reads and writes and was thinking the writes would cause a problem over time. Maybe they are better now than they was a while back.
>
> Thanks for the update.
>
>
> Dale
>
> :-)  :-)
>
> --
> I am only responsible for what I said ... Not for what you understood or how you interpreted my words!
>
>

I came across the topic of SSD writes when setting up my laptop with
an ssd and the question, is a tmpfs vor /var/tmp/portage or swapfile
on SSD a good idea? At some point I found this at ArchWiki page about
SSDs[1], but I don't know how up to date or correct this is.

"A 32GB SSD with a mediocre 10x write amplification factor, a standard
10000 write/erase cycle, and 10GB of data written per day, would get
an 8 years life expectancy. It gets better with bigger SSDs and modern
controllers with less write amplification."

Now I have /var/tmp/portage on tmpfs and a swapfile on the SSD, but I
think the drive will last for the next years so i don't have to worry
much about it.

[1] https://wiki.archlinux.org/index.php/Solid_State_Drives

--
Mit freundlichen Grüßen / Best regards

Randolph Maaßen