Mailinglist Archive: opensuse (1231 mails)

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Re: [opensuse] What are these "devices" in my partition info?
On 03/03/13 15:51, Andrey Borzenkov wrote:
� Sun, 03 Mar 2013 15:39:20 +1100
Basil Chupin <blchupin@xxxxxxxxxxxx> �����:

I don't recall seeing these in oS prior to 12.2, but what are these
"devices" with file system of TMPFS showing in the screengrab of the
partition information in YaST2?:

What created them and for what reason?

/dev/shm has always been there; cgroup is pseudo filesystem to
manage kernel Control Groups (collection of processes); others are
temporary volatile filesystems with content that is discarded between
reboots. So it is easier to make them memory-based than run script on
every boot to clean them.

Most of them are heavily used by systemd.

Aha, thanks for the explanation.


Using openSUSE 12.2 x86_64 KDE 4.10.00 & kernel 3.8.1-1 on a system with-
AMD FX 8-core 3.6/4.2GHz processor
16GB PC14900/1866MHz Quad Channel Corsair "Vengeance" RAM
Gigabyte AMD3+ m/board; Gigabyte nVidia GTX550Ti 1GB DDR5 GPU

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