-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Friday 06 June 2003 03:24 am, Johann Spies wrote: > I apologise for a longish message. > > I bought myself a device in which you can put an ide-device an which > communicates with the computer through a usb-interface. I put a 60 Gb > hard disk and partitioned it into three normal partition (2xreiserfs > and 1 ext3) and a swap partition. > > My first experiment was to make a local debian mirror using debmirror > - and I did not have any problems as I was downloading it from an > ftp-site in our network with a download speed of below 1 Mb. > > I do have some problems with it when copying larger amounts of data > from normal hard disks to the device. > > At home I have a 364Mhz Celeron with 64 Meg ram and I experience a > high load average when I write to the usb-device. > > Using rsync to copy a partition to the usb-device stalled the computer > at the stage when it was copying iso-images. During one effort there > were usb timeout-errors. That also happened when I tried to do it > using "find $1 -depth -xdev -print | cpio -dumpv > $2". I then experimented with buffer in the following way: > > find $1 -depth -xdev -print | buffer -u 100 | cpio -dumpv $2 > > and I could copy the iso-images without problems although it was slow. > > I don't think I can use "buffer" with rsync - or can I? > > Now my questions: > > 1. Which is the best way to copy large amounts of data to a usb-device? > 2. How can I install Debian on such a device? > 3. hdparm would not work on the device (mounted as a scsi device). > How can I improve the transfer rate?
Are you using USB 1 or 2 ? USB 1.x would seem slow for disk to disk transfers. - -- Greg Madden Debian GNU/Linux -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQE+4M5tk7rtxKWZzGsRAhm6AJ4wpBzDkS3UBDP4fzRdkKA2vOq0SQCgsxcd uRk6ejRRE+a+3Y4s+Kcu+pU= =c1cG -----END PGP SIGNATURE----- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]