Mailinglist Archive: opensuse (686 mails)

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[opensuse] Added INFO, SSD tuning; was: SSD and smartctl: Percentage ...
* Patrick Shanahan <paka@xxxxxxxxxxxx> [07-06-13 10:30]:
* Carlos E. R. <robin.listas@xxxxxxxxxxxxxx> [07-06-13 08:01]:
[...]
~6 years is that the normal lifespan of SSDs nowadays?

It is not based in time of use, but in actual usage. Flash media, including
SSD, have a limited number of write operation allowed. After that, they are
no longer usable.

You can increase the odds. Be sure to mount "noatime", for instance.
[...]

Is relatime a valid option in fstab for openSUSE >= 12.3, kernel is
3.9.8 and/or 3.10.0

Saw discussion on web that relatime would be happy medium rather than as
extreem as noatime:
"relative atime only updates the atime if the previous atime is older
than the mtime or ctime. Like noatime, but useful for applications like
mutt that need to know when a file has been read since it was last
modified."

Made the change to test; added noatime to all but separate home which
contains "mail" and after remount, see that noatime was converted to
relatime for those partitions containing tmp and/or tmpfs parts. To save
SSD life, I moved swap to a swap-file on a md0 non-ssd part some time
ago.

SSD drive contains home, /, /var and /srv, with Music, Downloads and
Documents linked to md0 to better utilize space requirements. SSD is
120 gb, md0 2 tb.

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