My root disk is showing 100% filled space, but checking space used via du it is far less. I tried to zero "deleted" files but still the space is not recovered. It is an xfs file system, but since it is active root, I am unable to run xfs_repair either assuming xfs corruption is the cause.
[root@localhost]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 140G 140G 480M 100% /
devtmpfs 4.8G 0 4.8G 0% /dev
tmpfs 4.9G 96K 4.9G 1% /dev/shm
tmpfs 4.9G 8.8M 4.8G 1% /run
tmpfs 4.9G 0 4.9G 0% /sys/fs/cgroup
/dev/sda1 497M 212M 285M 43% /boot
/dev/mapper/centos-home 26G 14G 13G 53% /home
tmpfs 984M 16K 984M 1% /run/user/1001
tmpfs 984M 0 984M 0% /run/user/1005
[root@localhost]# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/mapper/centos-root 2773376 359289 2414087 13% /
devtmpfs 1255381 412 1254969 1% /dev
tmpfs 1259308 9 1259299 1% /dev/shm
tmpfs 1259308 533 1258775 1% /run
tmpfs 1259308 16 1259292 1% /sys/fs/cgroup
/dev/sda1 512000 337 511663 1% /boot
/dev/mapper/centos-home 26812416 228557 26583859 1% /home
tmpfs 1259308 29 1259279 1% /run/user/1001
tmpfs 1259308 1 1259307 1% /run/user/1005
[root@localhost]# du -cha --max-depth=1 /* 2>/dev/null | grep -E "G"
6.8G /home/mdgdev
6.5G /home/joc
14G /home
7.8G /opt/tools
2.9G /opt/servers
1.9G /opt/ide
15G /opt
2.3G /usr/lib64
2.1G /usr/share
6.0G /usr
1.5G /var
37G total
[root@localhost]# du -cha --max-depth=1 --one-file-system /
55M /etc
6.2M /root
3.8M /tmp
1.5G /var
6.0G /usr
0 /bin
0 /sbin
0 /lib
0 /lib64
527M /media
0 /mnt
15G /opt
0 /srv
0 /1
23G /
23G total
[root@localhost]# fdisk -l
Disk /dev/sda: 85.9 GB, 85899345920 bytes, 167772160 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000915f2
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1026047 512000 83 Linux
/dev/sda2 1026048 167772159 83373056 8e Linux LVM
Disk /dev/sdb: 96.6 GB, 96636764160 bytes, 188743680 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x6db5b417
Device Boot Start End Blocks Id System
/dev/sdb1 2048 188743679 94370816 8e Linux LVM
Disk /dev/mapper/centos-root: 150.3 GB, 150319661056 bytes, 293593088 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/centos-swap: 4160 MB, 4160749568 bytes, 8126464 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/centos-home: 27.5 GB, 27455913984 bytes, 53624832 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
[root@localhost]# lsof +L1
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1001/gvfs
Output information may be incomplete.
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NLINK NODE NAME
firewalld 867 root 6u REG 253,0 4096 0 155896 /tmp/ffind58tf (deleted)
tuned 1250 root 7u REG 253,0 4096 0 473890 /tmp/ffiq5HmVK (deleted)
gnome-she 4403 mdgdev 17u REG 253,0 12288 0 473892 /tmp/ffigM0yja (deleted)
nautilus 4849 mdgdev 19r REG 253,2 1 0 39275271 /home/mdgdev/.local/share/gvfs-metadata/home.4IMV3Z (deleted)
nautilus 4849 mdgdev 20r REG 253,2 1 0 39918423 /home/mdgdev/.local/share/gvfs-metadata/home-ba8e73ee.log (deleted)
java 5297 mdgdev 411u REG 253,0 4096 0 473903 /tmp/ffiuQh5F3 (deleted)
java 5492 mdgdev 79u REG 253,0 4096 0 473905 /tmp/ffikyoITY (deleted)
[root@localhost]# mount | column -t
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=5021524k,nr_inodes=1255381,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/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
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/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
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)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=33,pgrp=1,timeout=300,minproto=5,maxproto=5,direct)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime,seclabel)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,seclabel)
nfsd on /proc/fs/nfsd type nfsd (rw,relatime)
/dev/sda1 on /boot type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
/dev/mapper/centos-home on /home type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
tmpfs on /run/user/1001 type tmpfs (rw,nosuid,nodev,relatime,seclabel,size=1007448k,mode=700,uid=1001,gid=1001)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
gvfsd-fuse on /run/user/1001/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1001,group_id=1001)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
tmpfs on /run/user/1005 type tmpfs (rw,nosuid,nodev,relatime,seclabel,size=1007448k,mode=700,uid=1005,gid=1006)
[root@localhost]# mount | column -t | grep xfs
/dev/mapper/centos-root on / type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
/dev/sda1 on /boot type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
/dev/mapper/centos-home on /home type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
Can anyone advice how could I recover this disk space please?
du? It will only count files that it can see. – ctrl-alt-delor Jun 26 '19 at 09:58du -cha --max-depth=1 --one-file-system /Note no*and--one-file-system. – ctrl-alt-delor Jun 26 '19 at 10:06