Package: mdadm Version: 2.6.2-1~bpo.1 Severity: important Tried to create RAID6 array: mdadm --create --verbose /dev/md0 --level=6 --chunk=1024 --raid-devices=6 --spare-devices=0 /dev/sd[abcdef]1
The size of array, according to mdadm -E, is good: mdadm -E /dev/sda1 /dev/sda1: Magic : a92b4efc Version : 00.90.00 UUID : 94176452:84845694:bea75d72:2cd7b397 (local to host ftp3com) Creation Time : Fri Feb 13 10:26:28 2009 Raid Level : raid6 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 3907039232 (3726.04 GiB 4000.81 GB) Raid Devices : 6 Total Devices : 6 Preferred Minor : 0 Update Time : Fri Feb 13 10:26:28 2009 State : active Active Devices : 6 Working Devices : 6 Failed Devices : 0 Spare Devices : 0 Checksum : 7ab8a648 - correct Events : 0.1 Chunk Size : 1024K Number Major Minor RaidDevice State this 0 8 1 0 active sync /dev/sda1 0 0 8 1 0 active sync /dev/sda1 1 1 8 17 1 active sync /dev/sdb1 2 2 8 33 2 active sync /dev/sdc1 3 3 8 49 3 active sync /dev/sdd1 4 4 8 65 4 active sync /dev/sde1 5 5 8 81 5 active sync /dev/sdf1 But /proc/mdstats contains invalid couln of blocks cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] md0 : active (auto-read-only) raid6 sdf1[5] sde1[4] sdd1[3] sdc1[2] sdb1[1] sda1[0] 1759555584 blocks level 6, 1024k chunk, algorithm 2 [6/6] [UUUUUU] If I format a partition (tried XFS and reiserfs), I get 2TB partition instead of 4TB. This is true for mdadm 2.6.2, 2.6.7.2. Tried with kernel 2.6.27.17 and 2.6.28.4 -- Package-specific info: --- mount output /dev/sdg5 on / type ext2 (rw,noatime,errors=remount-ro) tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) procbususb on /proc/bus/usb type usbfs (rw) udev on /dev type tmpfs (rw,mode=0755) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620) /dev/sdg1 on /boot type ext2 (ro,noatime) --- mdadm.conf # mdadm.conf # # Please refer to mdadm.conf(5) for information about this file. # # by default, scan all partitions (/proc/partitions) for MD superblocks. # alternatively, specify devices to scan, using wildcards if desired. DEVICE partitions # auto-create devices with Debian standard permissions CREATE owner=root group=disk mode=0660 auto=yes # automatically tag new arrays as belonging to the local system HOMEHOST <system> # instruct the monitoring daemon where to send mail alerts MAILADDR root # definitions of existing MD arrays # This file was auto-generated on Wed, 11 Feb 2009 15:15:12 +0000 # by mkconf $Id: mkconf 261 2006-11-09 13:32:35Z madduck $ ARRAY /dev/md0 level=raid6 num-devices=6 UUID=79d2b8d2:267ceb29:6bed5503:a7de49c3 --- /proc/mdstat: Personalities : [raid6] [raid5] [raid4] md0 : active (auto-read-only) raid6 sdf1[5] sde1[4] sdd1[3] sdc1[2] sdb1[1] sda1[0] 1759555584 blocks level 6, 1024k chunk, algorithm 2 [6/6] [UUUUUU] resync=PENDING unused devices: <none> --- /proc/partitions: major minor #blocks name 8 0 976762584 sda 8 1 976760001 sda1 8 16 976762584 sdb 8 17 976760001 sdb1 8 32 976762584 sdc 8 33 976760001 sdc1 8 48 976762584 sdd 8 49 976760001 sdd1 8 64 976762584 sde 8 65 976760001 sde1 8 80 976762584 sdf 8 81 976760001 sdf1 9 0 1759555584 md0 8 96 3923968 sdg 8 97 96069 sdg1 8 98 1 sdg2 8 101 3824749 sdg5 --- initrd.img-2.6.27.17: 13277 blocks etc/mdadm etc/mdadm/mdadm.conf sbin/mdadm scripts/local-top/mdadm --- /proc/modules: --- volume detail: --- /proc/cmdline root=/dev/sdg5 ro --- grub: kernel /vmlinuz-2.6.27.17 root=/dev/sdg5 ro kernel /vmlinuz-2.6.28.4 root=/dev/sdg5 ro kernel /vmlinuz-2.6.18-6-686 root=/dev/sdg5 ro kernel /vmlinuz-2.6.18-6-686 root=/dev/sdg5 ro single -- System Information: Debian Release: 5.0 APT prefers testing APT policy: (500, 'testing') Architecture: i386 (i686) Kernel: Linux 2.6.27.17 (SMP w/2 CPU cores) Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages mdadm depends on: ii debconf [debconf-2.0] 1.5.24 Debian configuration management sy ii libc6 2.7-18 GNU C Library: Shared libraries ii lsb-base 3.2-20 Linux Standard Base 3.2 init scrip ii makedev 2.3.1-88 creates device files in /dev Versions of packages mdadm recommends: ii exim4-daemon-light [mail-tran 4.63-17 lightweight exim MTA (v4) daemon ii module-init-tools 3.4-1 tools for managing Linux kernel mo mdadm suggests no packages. -- debconf information: * mdadm/autostart: true mdadm/mail_to: root mdadm/initrdstart_msg_errmd: * mdadm/initrdstart: all mdadm/initrdstart_msg_errconf: mdadm/initrdstart_notinconf: false mdadm/initrdstart_msg_errexist: mdadm/initrdstart_msg_intro: mdadm/autocheck: true mdadm/initrdstart_msg_errblock: mdadm/start_daemon: true -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org