Hello there, I face'd the promblem: # mkraid /dev/md0 handling MD device /dev/md0 analyzing super-block disk 0: /dev/hdc1, 8032kB, raid superblock at 7936kB disk 1: /dev/hdd2, 8032kB, raid superblock at 7936kB mkraid: aborted, see the syslog and /proc/mdstat for potential clues. and syslog shows nothing. /proc/mdstat contains: Personalities : [3 raid1] read_ahead not set md0 : inactive md1 : inactive md2 : inactive md3 : inactive as it has to before the md0 creation. raidtools: raidtools-0.90 i'm using linux-2.2.14 kernel version. ( any patch for this kernel ?) Debian 2.2 glibc 2.1 also tested on Debian 2.1 glibc2 i've tried diferent sets of HD's and diferent sets of partitions. Nothing helps. Any suggestions ? thanx ==================================================================== Antanas Masevicius Kaunas University of Technology Studentu 48a-101 Computer Center LT-3028 Kaunas LITNET NOC UNIX Systems Administrator Lithuania E-mail: [EMAIL PROTECTED]