Re: Very slow transfers to/from micro SD card on a RPi B+

[Chuck Silvers <chuq%chuq.com@localhost>]

On Tue, Jan 19, 2016 at 10:11:05AM -0800, Brian Buhrow wrote:
> On Jan 19,  3:23pm, Taylor R Campbell wrote:
> } Subject: Re: Very slow transfers to/from micro SD card on a RPi B+
> }    Date: Tue, 19 Jan 2016 15:52:33 +0100
> }    From: Stephan <stephanwib%googlemail.com@localhost>
> } 
> }    A way to circumvent these hangs is to remount the filesystem with noatim=
> } e.
> } 
> } Maybe we should make noatime the default...  I have mounted all my
> } file systems with noatime for many years, and never regretted it.
> 
> Hello.  No, I wouldn't like to see this as the default.  I've used the
> access times on filesystems too many times as a diagnostic tool to be happy
> with noatime as  the default.  I too have turned noatime on for my
> workstations, but i want it on on servers, and there are times I've
> regretted my choice on my workstations as well.
> 
> 	I might be more inclined to soften my preference if there is a way to
> tell if a particular filesystem is on removable media, i.e. an SD card or
> portable disk.  For those devices, I think noatime would be a fine default.
> 
> -thanks
> -Brian

I wouldn't want it as a default for everything either, it breaks things like xbiff.
the linux "relatime" thing seems like a reasonable compromise.

-Chuck