查看磁盘mount的时间点
ext文件系统
使用命令tune2fs
查看文件系统最后一次挂载时间:
[root@localhost ~]# tune2fs -l /dev/vdb1
tune2fs 1.42.9 (28-Dec-2013)
Filesystem volume name: <none>
Last mounted on: /data
Filesystem UUID: d08ec62d-f07e-46d3-942d-9a7c0cedaa83
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent 64bit flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 3932160
Block count: 15728384
Reserved block count: 786419
Free blocks: 15435461
Free inodes: 3932148
First block: 0
Block size: 4096
Fragment size: 4096
Group descriptor size: 64
Reserved GDT blocks: 1024
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Flex block group size: 16
Filesystem created: Tue Jun 4 15:30:31 2019
Last mount time: Tue Jun 4 22:55:00 2019
Last write time: Tue Jun 4 22:55:00 2019
Mount count: 2
Maximum mount count: -1
Last checked: Tue Jun 4 15:30:31 2019
Check interval: 0 (<none>)
Lifetime writes: 132 MB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: f4218ae5-8383-48d5-ac2e-14b8b52f39b6
Journal backup: inode blocks
得到输出:
Last mount time: Tue Jun 4 22:55:00 2019
NFS文件系统
用命令cat /proc/self/mountstats
,通过age来判断,这个表示nfs挂载后的时间,单位为秒。
例如:
device 172.16.79.47:/nfs/elk-data-elasticsearch-0-pvc-7aa2098b-0bda-4e5e-ae79-22c5b244f5af mounted on /var/lib/kubelet/pods/3689e0bc-d3be-4c6a-994f-aff61c4c52bc/volumes/kubernetes.io~nfs/pvc-
7aa2098b-0bda-4e5e-ae79-22c5b244f5af with fstype nfs4 statvers=1.1 opts: rw,vers=4.1,rsize=1048576,wsize=1048576,namlen=255,acregmin=3,acregmax=60,acdirmin=30,acdirmax=60,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=172.16.79.47,local_
lock=none age: 24357440
impl_id: name='',domain='',date='0,0'
caps: caps=0x3ffdf,wtmult=512,dtsize=32768,bsize=0,namlen=255
nfsv4: bm0=0xfdffbfff,bm1=0x40f9be3e,bm2=0x803,acl=0x3,sessions,pnfs=not configured
sec: flavor=1,pseudoflavor=1
events: 5913123 18088147 1603 1114516 5148933 11343 25160163 17316286 204 9061 94 2045058 10296700 541 249723 681106 2325 249354 0 19 2187230 3 0 0 0 0 0
bytes: 224133906 66606505872 0 0 637249990 65740946536 155904 16248743
RPC iostats version: 1.0 p/v: 100003/4 (nfs)
xprt: tcp 765 0 1 0 0 9457336 9457336 0 12812820 0 31 221968 3355489
per-op statistics
NULL: 0 0 0 0 0 0 0 0
READ: 10004 10004 0 2044876 638290788 264 3111 3715
WRITE: 1468813 1468813 0 66070386444 258511088 140623 741384 917992
COMMIT: 58045 58045 0 10912612 6036680 1967 15116 18018
OPEN: 244846 244846 0 77364596 90972688 8939 121452 136298
OPEN_CONFIRM: 0 0 0 0 0 0 0 0
OPEN_NOATTR: 3358 3358 0 860324 1130192 65 493 607
OPEN_DOWNGRADE: 73 73 0 16060 12848 1 9 12
CLOSE: 247623 247623 0 52498420 43581648 4898 51198 59629
SETATTR: 1162 1162 0 273212 306768 14 175 222
FSINFO: 1 1 0 180 164 0 0 0
RENEW: 0 0 0 0 0 0 0 0
SETCLIENTID: 0 0 0 0 0 0 0 0
SETCLIENTID_CONFIRM: 0 0 0 0 0 0 0 0
LOCK: 1192 1192 0 299492 133504 21 142 177
LOCKT: 1 1 0 232 96 0 0 0
LOCKU: 953 953 0 207288 106736 16 118 144
ACCESS: 570732 570732 0 111865048 95882976 11256 121534 158573
GETATTR: 5913150 5913150 0 1111679888 1419156000 94905 1290493 1748542
LOOKUP: 255006 255006 0 55112160 74195988 2052 35869 47864
LOOKUP_ROOT: 0 0 0 0 0 0 0 0
REMOVE: 9118 9118 0 1792040 1057688 81 2751 3333
RENAME: 243360 243360 0 66203600 36990720 4465 59235 66698
LINK: 4 4 0 1084 1168 0 0 0
SYMLINK: 2 2 0 552 664 0 0 0
CREATE: 149 149 0 37216 49468 57 57 119
PATHCONF: 1 1 0 172 116 0 0 0
STATFS: 80162 80162 0 15072768 12825920 1859 14422 19022
READLINK: 0 0 0 0 0 0 0 0
READDIR: 403 403 0 85572 1591688 3 91 107
SERVER_CAPS: 28 28 0 5040 4592 0 6 8
DELEGRETURN: 1912 1912 0 397932 305920 1347 1350 2732
GETACL: 0 0 0 0 0 0 0 0
SETACL: 0 0 0 0 0 0 0 0
FS_LOCATIONS: 0 0 0 0 0 0 0 0
RELEASE_LOCKOWNER: 0 0 0 0 0 0 0 0
SECINFO: 0 0 0 0 0 0 0 0
FSID_PRESENT: 0 0 0 0 0 0 0 0
EXCHANGE_ID: 0 0 0 0 0 0 0 0
CREATE_SESSION: 0 0 0 0 0 0 0 0
DESTROY_SESSION: 0 0 0 0 0 0 0 0
SEQUENCE: 0 0 0 0 0 0 0 0
GET_LEASE_TIME: 0 0 0 0 0 0 0 0
RECLAIM_COMPLETE: 0 0 0 0 0 0 0 0
LAYOUTGET: 0 0 0 0 0 0 0 0
GETDEVICEINFO: 0 0 0 0 0 0 0 0
LAYOUTCOMMIT: 0 0 0 0 0 0 0 0
LAYOUTRETURN: 0 0 0 0 0 0 0 0
SECINFO_NO_NAME: 0 0 0 0 0 0 0 0
TEST_STATEID: 0 0 0 0 0 0 0 0
FREE_STATEID: 770 770 0 111588 67760 12 86 103
GETDEVICELIST: 0 0 0 0 0 0 0 0
BIND_CONN_TO_SESSION: 0 0 0 0 0 0 0 0
DESTROY_CLIENTID: 0 0 0 0 0 0 0 0
SEEK: 0 0 0 0 0 0 0 0
ALLOCATE: 0 0 0 0 0 0 0 0
DEALLOCATE: 0 0 0 0 0 0 0 0
LAYOUTSTATS: 0 0 0 0 0 0 0 0
CLONE: 0 0 0 0 0 0 0 0
输出为age: 24357440
,单位秒。
其他文件系统
在日志/var/log/messages
中搜索文件系统关键字:
grep XFS /var/log/messages
grep EXT4 /var/log/messages
grep NTFS /var/log/messages