Gentoo Archives: gentoo-user

From: David Haller <gentoo@×××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] SDD strategies...
Date: Tue, 17 Mar 2020 21:05:37
Message-Id: 20200317153927.7hv7uhz3r226s7k7@grusum.endjinn.de
In Reply to: Re: [gentoo-user] SDD strategies... by Neil Bothwick
1 Hello,
2
3 On Tue, 17 Mar 2020, Neil Bothwick wrote:
4 >On Tue, 17 Mar 2020 10:43:58 +0100, Andrea Conti wrote:
5 >> >> The SSD is currently reporting 98% of its rated life left: I feel
6 >> >> quite confident it's going to outlast the laptop's useful life.
7 >> > What are you using to get that niformation?
8 >>
9 >> smartctl -A /dev/sdX
10 >
11 >83% after five years of recompiling LO and Chromium, not bad :)
12
13 # smartctl -a /dev/sda
14 Device Model: SAMSUNG SSD 830 Series
15 User Capacity: 128,035,676,160 bytes [128 GB]
16 Sector Size: 512 bytes logical/physical
17 [..]
18 9 Power_On_Hours 0x0032 091 091 000 Old_age Always - 42855
19 177 Wear_Leveling_Count 0x0013 093 093 000 Pre-fail Always - 245
20 241 Total_LBAs_Written 0x0032 099 099 000 Old_age Always - 12835630376
21
22 [9 would be ~4.9 years nonstop, 241 is almost 6TiB written, or about
23 50ish full drive writes]
24
25 That's been running here since Jul 2012, but I tried to reduce
26 unnecessary writes to it. I did use it for PORTAGE_TMPDIR for a while
27 but that rather quickly reduces the wear leveling from 96 to the
28 current 93.
29
30 HTH,
31 -dnh
32
33 --
34 The Royal Architects were tasked with constructing an edifice known as the
35 Organisation's In[ft]ernal Webshite. It was grand, it was shiney, it was
36 complex, and its navigability would seem to indicate the chief architect was
37 the bastard child of Escher and Giger. -- Niklas Karlsson