[LAD] [OT] bash vs disk activity

Lars Luthman lars.luthman at gmail.com
Tue Oct 9 11:11:38 UTC 2007

On Tue, 2007-10-09 at 14:02 +0300, Sampo Savolainen wrote:
> Quoting Patrick Shirkey <pshirkey at boosthardware.com>:
> > For example if I transfer 200mb to a usb disk the copy command takes
> > about 30 seconds before it returns and the data takes about 5 minutes
> > before it is actually finished being transferred and the device is
> > unmountable. 
> quick-hack(tm)
> (cp -a /xxx /usb_device && sync) &
> But remember sync flushes _everything_.

Slightly-slower-hack: add the 'sync' option to whatever script or config
file is used to mount the device (/etc/fstab, udev rules, KDE service
menu etc). That way all writes will be synchronised automatically.

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