<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt"><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt;">----- Original Message ----<br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">From: Adam Sweet <drinky76@yahoo.com><br>To: Wolverhampton Linux User Group <wolves@mailman.lug.org.uk><br>Sent: Tuesday, 9 October, 2007 11:51:53 AM<br>Subject: Re: [Wolves] Slow file transfer in Ubuntu 7.04<br><br><div>--- James Turner <james@turnersoft.co.uk> wrote:<br><br>> Adam Sweet wrote:<br>> > --- Mo Awkati <mawkati@yahoo.co.uk> wrote:<br>> <br>> >> Ever since I installed Ubuntu I have always<br>> >> experienced slow transfer rates if I drag and<br>> drop<br>> >> from one folder to another. It seems to be<br>> slowest<br>> >> when transferring
photos. DMA is enabled. I have<br>> >> not experienced this with any distros. This is<br>> also<br>> >> the case if I am burning a DVD, e.g. Linux Format<br>> >> DVD it is very very slow, almost in the order of<br>> an<br>> >> hour to burn it? The hardware is OK.<br>> > <br>> > Hey Mo (where you goin to with that gun in your<br>> hand*)<br>> > <br>> > I don't know of any Ubuntu issues which would<br>> cause<br>> > this kind of problem, but I did come across an<br>> article<br>> > today which discusses disk performannce:<br>> > <br>> ><br>><br><a target="_blank" href="http://www.cyberciti.biz/tips/how-fast-is-linux-sata-hard-disk.html">http://www.cyberciti.biz/tips/how-fast-is-linux-sata-hard-disk.html</a><br>> <br>> Although not that likely, but it may be worth<br>> confirming that the poor<br>> performance isn't due to disc
errors/retries. A<br>> quick way to investigate:<br>> <br>> - Do a slow file transfer<br>> - Open up a terminal<br>> - Type:<br>> dmesg<br>> <br>> A load of technical gibberish will scroll past - the<br>> device detection<br>> <br>> . If lines such as these appear at the end then<br>> that's indicative of an<br>> error:<br>> <br>> kernel: hda: drive_cmd: status=0x51 { DriveReady<br>> SeekComplete Error }<br>> kernel: hda: drive_cmd: error=0x04 {<br>> DriveStatusError }<br><br>Hurghhhhhh. My least favourite error message ever :(<br><br>Ad<br></div></div><br><br>I'll have a look at the dmesg, but I am regularly (every 20 open and shutdowm, it doesn't seem that many but there you go) getting fsck running at the beginning of the boot up process and it reports everything OK.<br><br>Mo<br></div></div><br>
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