Dear Robert, Thank you. The state after reboot are as follows. # LANG=C lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sr0 11:0 1 1024M 0 rom vda 252:0 0 15G 0 disk |-vda1 252:1 0 500M 0 part /boot `-vda2 252:2 0 14.5G 0 part |-VolGroup-lv_root (dm-0) 253:0 0 12.5G 0 lvm / `-VolGroup-lv_swap (dm-1) 253:1 0 2G 0 lvm [SWAP] vdb 252:16 0 40G 0 disk /mnt/extradiskA # mount /dev/mapper/VolGroup-lv_root on / type ext4 (rw,usrquota,grpquota) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) tmpfs on /dev/shm type tmpfs (rw) /dev/vda1 on /boot type ext4 (rw) /dev/vdb on /mnt/extradiskA type ext4 (rw,usrquota,grpquota) /mnt/extradiskA/home on /home type none (rw,bind) /mnt/extradiskA/log on /var/log type none (rw,bind) /mnt/extradiskA/mysql on /var/lib/mysql type none (rw,bind) /mnt/extradiskA/.backup on /.backup type none (rw,bind) /mnt/extradiskA/.daily_backup on /.daily_backup type none (rw,bind) /mnt/extradiskA/backups on /var/backups type none (rw,bind) none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) /dev/vdb on /home type ext4 (rw,relatime,barrier=1,data=ordered,usrquota,grpquota) # ls -l /home total 48 -rw------- 1 root root 7168 Nov 15 19:10 aquota.group -rw------- 1 root root 7168 Apr 14 10:22 aquota.user drwxr-x--- 2 root root 4096 Jan 18 21:55 backups drwxr-xr-x 4 root root 4096 Jan 1 11:59 home drwxr-xr-x 8 root root 4096 Apr 14 10:23 log drwx------ 2 root root 16384 Nov 15 18:58 lost+found drwxr-xr-x 6 mysql mysql 4096 Apr 14 10:24 mysql # ls -al /mnt/extradiskA total 72 drwxr-xr-x 9 root root 4096 Nov 15 19:10 . drwxr-xr-x. 3 root root 4096 Nov 15 19:00 .. -rw------- 1 root root 7168 Nov 15 19:10 aquota.group -rw------- 1 root root 7168 Apr 14 10:22 aquota.user drwxr-xr-x 2 root root 12288 Apr 14 00:00 .backup drwxr-x--- 2 root root 4096 Jan 18 21:55 backups drwxr-xr-x 2 root root 4096 Nov 16 02:30 .daily_backup drwxr-xr-x 4 root root 4096 Jan 1 11:59 home drwxr-xr-x 8 root root 4096 Apr 14 10:23 log drwx------ 2 root root 16384 Nov 15 18:58 lost+found drwxr-xr-x 6 mysql mysql 4096 Apr 14 10:24 mysql # ls -al /mnt/extradiskA/home total 16 drwxr-xr-x 4 root root 4096 Jan 1 11:59 . drwxr-xr-x 9 root root 4096 Nov 15 19:10 .. drwxr-xr-x. 7 admin admin 4096 Sep 21 2015 admin drwxr-xr-x 4 kavfile kavfile 4096 Jan 1 12:00 kavfile # mkdir /tmp/tmproot # mount --bind / /tmp/tmproot # ls -a /tmp/tmproot/mnt/extradiskA . .. # cat /etc/fstab # # /etc/fstab # Created by anaconda on Mon Jul 28 08:21:01 2014 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/VolGroup-lv_root / ext4 defaults,usrquota,grpquota 1 1 UUID=9a855356-ee00-4ae7-a185-226566ce1dba /boot ext4 defaults 1 2 UUID=093c9b95-8336-4682-9927-132dbdf2f082 /mnt/extradiskA ext4 defaults,usrquota,grpquota 1 2 /dev/mapper/VolGroup-lv_swap swap swap defaults 0 0 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 /mnt/extradiskA/home /home none bind 0 0 /mnt/extradiskA/log /var/log none bind 0 0 /mnt/extradiskA/mysql /var/lib/mysql none bind 0 0 /mnt/extradiskA/.backup /.backup none bind 0 0 /mnt/extradiskA/.daily_backup /.daily_backup none bind 0 0 /mnt/extradiskA/backups /var/backups none bind 0 0 2016-04-13 23:32 GMT+09:00 Robert Nichols <rnicholsNOSPAM at comcast.net>: > On 04/13/2016 12:02 AM, 望月忠雄 wrote: > >> In /etc/rc.d/rc.sysinit, >> there's "mount -a -n -t nonfs,nfs4,smbfs,ncpfs,cifs,gfs,gfs2i,glusterfs -O >> no_netdev". >> >> >> I have other same type servers. And on other servers with same /etc/fstsb, >> file system is correct. >> There's no difference between normal server's rc.sysinit and this problem >> server's rc.sysinit too. >> > > It's not apparent how /dev/vdb (the whole filesystem) came to be mounted > on both /mnt/extradiskA and /home. Let's see the output > from "lsblk" and "mount". Did you look in /mnt/extradiskA/home > and verify that just the expected user directories are there > (no "/mnt/extradiskA/home/home")? > > It might also be worthwhile to verify that the mount point > directory /mnt/extradiskA in the root filesystem is empty. If > there happens to be a /mnt/extradiskA/home directory present > before /dev/vdb gets mounted, that could allow the mounts to > be performed out of order, though I don't really see how that > could lead the to result you have. > > mkdir /tmp/tmproot > mount --bind / /tmp/tmproot > ls -a /tmp/tmproot/mnt/extradiskA > umount /tmp/tmproot > > > -- > Bob Nichols "NOSPAM" is really part of my email address. > Do NOT delete it. > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos >