Mailinglist Archive: opensuse-factory (439 mails)

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Re: [opensuse-factory] Adding SSDs?
  • From: C <smaug42@xxxxxxxxxxxx>
  • Date: Tue, 11 Mar 2014 07:34:23 +0100
  • Message-id: <>
On Tue, Mar 11, 2014 at 5:03 AM, Jason wrote:
On Monday, March 10, 2014 23:20:17 Yamaban wrote:
On Mon, 10 Mar 2014 23:05, Thomas Taylor wrote:
Are SSDs (solid state drives) well supported in factory versions? Anybody
have any hints or gotchas?

As long as you respect the 'provisioning' that SSDs of today still need
(keep ca 20% of the raw chip-capacity unpartioned, see manufacturer specs)
you will most likely get at least 3 years nonstop use before the
wear-levelling has eaten up that unpartioned area.

cca 20% of total capacity is reserved by firmware itself, there is no reason
whatsoever to partition it differently than regular HDD.

If there is not much I/O going on, ie compiling, ssd should survive for a at
least 5 years.

If you're using a recent and good quality SSD, you do not heed to
manually overprovision partition at all.. the manufacturer already
overprovisions and the firmware takes care of wear leveling.

If you do the math, a decent SSD should actually outlive a mechanical
drive (an SSD in typical use.. ie not in a data center... should last
in excess of 10 years before you start to have issues, and if it's low
use, upwards of 50 years is possible... mathematically speaking). A
LOT of the information you find online about SSDs is horribly out of
date and is/was applicable to 1st generation SSDs.

openSUSE 13.1 x86_64, KDE 4.12
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