Mailinglist Archive: opensuse-factory (439 mails)

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Re: [opensuse-factory] Adding SSDs?
  • From: Jason <relentropy@xxxxxxxxx>
  • Date: Thu, 13 Mar 2014 16:33:53 -0400
  • Message-id: <464916568.Yhsg8GibSK@host.laptop>
On Thursday, March 13, 2014 09:01:13 Hans Witvliet wrote:
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.
state of the art technology and everything is basically done for you

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

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....

Cell dying off. This is actually most favorable failure. Intel will for example
enter ro mode if that starts to happen so you can clone the drive if needed.

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)

Not necessarily biggest, but at minimum 80GB if used as a main drive.

If there is lot of swapping going around it defeats the purpose of SSD.
It really isn't an issue to have it on SSD but that is just my 2c.

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.

Indeed. Intel X25M was a kidney and then some:)
That said, it is really without comparison with 'classic' HDD as a main drive.

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