이 글 보시는 모든 분들 새해 복많이 받으십시오 ^^ 

xfs_repair -n 으로 파일시스템 체크 해보려 하는데요

해당 파일시스템을 unmount해야 할거 같은데요

문제는 리눅스 설치시 오토파티션(?..리눅스 설치시 파티션 분할 수동으로 안하고 그냥 설치하는것..오토파티션 맞나요???)을 해놔서... 

제가 체크해보고 싶은 하드는 /dev/sdb1  와   /dev/sdb2 인데

질문1) umount 를 뭐를 어떻게 시키고  

질문2) xfs_repair -n 으로 어떻게 체크해야 하는지 궁금합니다.

감사합니다^^ 

환경) Cetnos7  64bit 입니다.

첨부자료 목록) 

1. umount를 해봤을때 결과

2. fdisk -l 결과

--------------- 첨부 자료 시작(참고) -------------------------

1. mount 상태는 아래와 같습니다

[testuser@localhost ~]$ mount

sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime,seclabel)

proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)

devtmpfs on /dev type devtmpfs (rw,nosuid,seclabel,size=3942356k,nr_inodes=985589,mode=755)

securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)

tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,seclabel)

devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,seclabel,gid=5,mode=620,ptmxmode=000)

tmpfs on /run type tmpfs (rw,nosuid,nodev,seclabel,mode=755)

tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,seclabel,mode=755)

cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd)

pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)

cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)

cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)

cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_prio,net_cls)

cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu)

cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)

cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)

cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)

cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)

cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)

cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)

configfs on /sys/kernel/config type configfs (rw,relatime)

/dev/mapper/centos-root on / type xfs (rw,relatime,seclabel,attr2,inode64,noquota)

selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)

hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,seclabel)

mqueue on /dev/mqueue type mqueue (rw,relatime,seclabel)

systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=31,pgrp=1,timeout=300,minproto=5,maxproto=5,direct)

debugfs on /sys/kernel/debug type debugfs (rw,relatime)

sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)

nfsd on /proc/fs/nfsd type nfsd (rw,relatime)

/dev/sdb1 on /boot type xfs (rw,relatime,seclabel,attr2,inode64,noquota)

/dev/mapper/centos-home on /home type xfs (rw,relatime,seclabel,attr2,inode64,noquota)

tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,seclabel,size=791632k,mode=700,uid=1000,gid=1000)

gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)

fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)

/dev/sda2 on /run/media/testuser/1.5T_2T type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096)