Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2005-07-07 20:18:06 +0800 \ Warren Beldad: > Hi all! > > I have are a simple results of the performance of my drbd test machines. > Using the dd command, first I get the performance value of my > harddisk. That would be formatting the /dev/sda with XFS and then > mount it and then write a 1GB file (which is twice the size of my RAM) > into that disk with dd command on different block sizes and then read > back that file into the black hole. > time dd if=/dev/zero of=testfile.txt bs=512k count=2000 > time dd if=testfile.txt of=/dev/null bs=512k your benchmark is broken. man close man fsync no, dd does not do fsync. -- : Lars Ellenberg Tel +43-1-8178292-0 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Schoenbrunner Str. 244, A-1120 Vienna/Europe http://www.linbit.com : __ please use the "List-Reply" function of your email client.