<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8"> <META NAME="GENERATOR" CONTENT="GtkHTML/3.2.3"> </HEAD> <BODY> I created md0-3 during boot and now want to create another raid device which would be md4. I've gone through the man page and searched online but am coming up blanks for an answer. I am using FC3 x86_64... To create the new raid device I ran: mdadm --create /dev/md4 --level=0 --raid-disks=2 /dev/hda6 /dev/hdc6 which errors out stating: mdadm: error opening /dev/md4: No such file or directory. Of course it's not there yet, I'm just now trying to create it. The partitions are ready: fdisk -l Disk /dev/hda: 120.0 GB, 120034123776 bytes 255 heads, 63 sectors/track, 14593 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 13 104391 fd Linux raid autodetect /dev/hda2 14 1288 10241437+ fd Linux raid autodetect /dev/hda3 1289 1543 2048287+ fd Linux raid autodetect /dev/hda4 1544 14593 104824125 5 Extended /dev/hda5 1544 1674 1052226 fd Linux raid autodetect /dev/hda6 1675 14593 103771836 fd Linux raid autodetect Disk /dev/hdc: 120.0 GB, 120034123776 bytes 255 heads, 63 sectors/track, 14593 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hdc1 * 1 13 104391 fd Linux raid autodetect /dev/hdc2 14 1288 10241437+ fd Linux raid autodetect /dev/hdc3 1289 1543 2048287+ fd Linux raid autodetect /dev/hdc4 1544 14593 104824125 5 Extended /dev/hdc5 1544 1674 1052226 fd Linux raid autodetect /dev/hdc6 1675 14593 103771836 fd Linux raid autodetect So, the question is why am I unable to create /dev/md4? Has anyone else ran across this? Ideas/suggestions? TIA! Aaron <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%"> <TR> <TD> </TD> </TR> </TABLE> </BODY> </HTML>