On Mon, Oct 23, 2006 at 10:27:20PM +0800, Pengcheng Zou wrote: > thanks a lot for the explanation. so if i understand it clearly, to > get a reliable data storage, i need turn off write cache or enable > barrier. both methods depend on the hardware. so how to know whether a > disk or drive support write cache? how to turn off write cache (i know > hdparm -W0 for IDE, but how to turn off write cache of SCSI drive?)? maybe http://scsirastools.sourceforge.net/ ? also see: http://www-dt.e-technik.uni-dortmund.de/~ma/linux/kernel/safe-write-caches.html -- Opinions above are GNU-copylefted. _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
