Mailinglist Archive: opensuse-factory (439 mails)

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Re: [opensuse-factory] Adding SSDs?
  • From: Hans Witvliet <suse@xxxxxxxxxxx>
  • Date: Thu, 13 Mar 2014 09:01:13 +0100
  • Message-id: <1394697673.12466.102.camel@orion1>
On Thu, 2014-03-13 at 11:37 -0400, Jason wrote:
Hi Hans,

On Wednesday, March 12, 2014 23:06:09 Hans Witvliet wrote:
On Tue, 2014-03-11 at 13:41 +0800, Jason wrote:
Run them as you'd normally do, there's no need to complicate things. It's
state of the art technology and everything is basically done for you by
the
fw.

That said, you should read these few links[1] and balance it out
basically.
Alignment is what is most important when setting up the partitions for
life
and performance. Other than that, ext4 mount flags and mindful use of high
I/O operations is enough.

https://wiki.archlinux.org/index.php/Solid_State_Drives
https://wiki.debian.org/SSDOptimization

Has ssd quality improved that much?

Couple of years ago i replaced a normal hdd with a 30GB sdd, and
installed the distro on it. However, the swap certainly killed the sdd.

What makes you think swap killed it and what brand was it? Usually the way it
fails tells you what happened. If you started to have lots of freezes,
corrupted data, rw errors, this are cells deteriorating. If it failed
suddenly, it is most likely the controller itself that crapped itself.

No, it wasn't that. Seen that behaviour on too many USB-drives

The system used to have little mem (just 2GB).
It started with read errors on the device, first once a week, (i noticed
but gave little attention). Later on became more and more, until a dayly
log-rotate was filled up with it. I'll guess one of the latest thing i
did was a system update, followed by an complete distro upgrade.
After that failed, i tried a freash (from iso) install, but i could not
put a file system on the disk anymore....

So, i guess with moders sdd, the best choice is to get the biggest you
can, so that the wear can be spread among a far more greater number of
cells. (And i would still keep the "safety-lane" swap-area on a
dedicated traditional hdd)

btw, i just noticed that i paid more for my 30GB drive than i would have
to pay now for a 1TB SSD-drive. Time flies, just like money.


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