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mkfs.xfs格式化磁盘时报/dev/mapper/xxx contains a mounted filesystem7 e9 X' X; l# R$ `
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[root@KVM mnt]# mkfs.xfs -f /dev/mapper/bigdata-cloud " h& `3 ^* G/ {' g
mkfs.xfs: /dev/mapper/bigdata-cloud contains a mounted filesystem& ]) ~0 H! }7 K- s5 H
Usage: mkfs.xfs* W! @# Z: p) ~$ s- S5 e
/* blocksize */ [-b log=n|size=num]6 J. `) X) I5 C% o/ B! S
/* metadata */ [-m crc=0|1,finobt=0|1,uuid=xxx]+ w/ t% ^$ @2 I( \
/* data subvol */ [-d agcount=n,agsize=n,file,name=xxx,size=num,1 Y1 H m6 |; ]; K8 U
(sunit=value,swidth=value|su=num,sw=num|noalign),; A% m1 E# g- F
sectlog=n|sectsize=num
2 [$ k Y! {8 ^: R3 n$ o$ g/* force overwrite */ [-f]' L, w! `( Y; W, @* p4 a
/* inode size */ [-i log=n|perblock=n|size=num,maxpct=n,attr=0|1|2,& z5 o! q0 c- D
projid32bit=0|1]
- j9 g' b$ N _% m' h/* no discard */ [-K]$ H" ?' {; `7 u/ C$ Q
/* log subvol */ [-l agnum=n,internal,size=num,logdev=xxx,version=n# j% [6 H5 v7 e \: x
sunit=value|su=num,sectlog=n|sectsize=num,
+ Y! ?9 b. l8 S% N6 r6 A( r lazy-count=0|1]# `9 E1 h# {9 g& h" {
/* label */ [-L label (maximum 12 characters)]
# U4 W( W! X. ~$ _ q7 V. j/* naming */ [-n log=n|size=num,version=2|ci,ftype=0|1]; q1 V$ T" D: @# |
/* no-op info only */ [-N]# U9 L \2 S0 R9 ]& K+ s9 k
/* prototype file */ [-p fname]
( Y) v& ~2 C9 _/* quiet */ [-q]
/ h8 _. c/ c1 i8 \) t5 {/* realtime subvol */ [-r extsize=num,size=num,rtdev=xxx]: F, Q( _6 ^; g+ C& _3 |8 }
/* sectorsize */ [-s log=n|size=num]! o9 Y0 R3 N% p i! k
/* version */ [-V]+ S2 D. u2 H; i$ [/ H
devicename
' z, V& p& a5 p) e6 _<devicename> is required unless -d name=xxx is given.: |( e/ z1 ~5 m! D1 u
<num> is xxx (bytes), xxxs (sectors), xxxb (fs blocks), xxxk (xxx KiB),
: a: c) ~/ M! t' | xxxm (xxx MiB), xxxg (xxx GiB), xxxt (xxx TiB) or xxxp (xxx PiB).9 X6 D4 v, x! R
<value> is xxx (512 byte blocks).
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说明我们占用了这个设备，设备在使用状态：
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. M4 R4 D: q! [; z$ F6 _[root@KVM mnt]# cd .. & p& q( G. f3 r' _3 r$ C2 b) a
切换到其他目录：
) h3 u4 i1 m }! M8 ^保证磁盘没有buzy状态
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[root@KVM /]# mkfs.xfs -f /dev/mapper/bigdata-cloud
S. ?4 j q' Umkfs.xfs: /dev/mapper/bigdata-cloud contains a mounted filesystem
/ x" w. W& b% ~& r$ l% ^" JUsage: mkfs.xfs
7 j6 o9 A# }9 i' \: ?2 G/* blocksize */ [-b log=n|size=num]& W7 Z! b5 \& W5 N
/* metadata */ [-m crc=0|1,finobt=0|1,uuid=xxx]( y. E3 n5 I a6 I
/* data subvol */ [-d agcount=n,agsize=n,file,name=xxx,size=num,
+ r* l5 C$ C: N/ d7 D, w$ P# n" d4 I (sunit=value,swidth=value|su=num,sw=num|noalign),1 O1 M- z. S( M
sectlog=n|sectsize=num: [3 b; x% n% p1 p$ d4 |
/* force overwrite */ [-f]4 r9 W/ Y, W# W# k0 ?* l9 u
/* inode size */ [-i log=n|perblock=n|size=num,maxpct=n,attr=0|1|2, F: m: w# i% u2 Z+ h
projid32bit=0|1]7 v/ w; {! W. J) `" d$ C
/* no discard */ [-K]; B% \: i4 b) H: H: A5 q/ M2 B
/* log subvol */ [-l agnum=n,internal,size=num,logdev=xxx,version=n- n! T& m: v- d
sunit=value|su=num,sectlog=n|sectsize=num,
; ?& Z s3 s" v lazy-count=0|1]
1 L- M9 i2 K2 L) _$ x/* label */ [-L label (maximum 12 characters)]
7 m5 D8 _) T$ Z( @/* naming */ [-n log=n|size=num,version=2|ci,ftype=0|1]* o5 ~0 O m* E! A. r# G1 u% ~ i
/* no-op info only */ [-N]
7 z8 _# P# R+ g" j; q$ g' m t& W, b/* prototype file */ [-p fname], j7 L! F6 b6 L5 {+ |9 g$ R7 ]- D9 \
/* quiet */ [-q]
) j9 Y0 V- q) y0 d/* realtime subvol */ [-r extsize=num,size=num,rtdev=xxx]# ^' m$ p4 N# @" V
/* sectorsize */ [-s log=n|size=num]; X0 T$ ~1 n- q+ `% y* z
/* version */ [-V]
% S' L) @4 y0 I1 ?2 ] devicename
}3 `# E* }) E6 j<devicename> is required unless -d name=xxx is given.% w" d; P+ e2 i& R
<num> is xxx (bytes), xxxs (sectors), xxxb (fs blocks), xxxk (xxx KiB),
$ r: D' C/ _1 d+ D xxxm (xxx MiB), xxxg (xxx GiB), xxxt (xxx TiB) or xxxp (xxx PiB).
& b4 ?% \" f. s# r+ u' x<value> is xxx (512 byte blocks).
3 {1 ^, W9 p- S; \( B8 |( Q[root@KVM /]# mkfs.xfs -f /dev/mapper/bigdata-cloud : j" D2 N8 j$ _; R
mkfs.xfs: /dev/mapper/bigdata-cloud contains a mounted filesystem
5 H i3 o/ b8 f7 v, y; a0 X: p$ _Usage: mkfs.xfs& y; b t3 Y" \2 H+ v- \
/* blocksize */ [-b log=n|size=num]
/ Z8 E$ z9 C( `* T/* metadata */ [-m crc=0|1,finobt=0|1,uuid=xxx]9 g, {% }8 B3 X% K- l8 r8 x8 Y
/* data subvol */ [-d agcount=n,agsize=n,file,name=xxx,size=num,$ v/ j& P& I1 I& {
(sunit=value,swidth=value|su=num,sw=num|noalign),. Y- J6 C _, D
sectlog=n|sectsize=num
6 H; j' H0 [/ [: x8 l$ |/* force overwrite */ [-f]& K% ]1 Q- J! ^9 g( S; W% H8 U
/* inode size */ [-i log=n|perblock=n|size=num,maxpct=n,attr=0|1|2,
8 C: K. z$ n; M |! ?9 X2 Z3 b projid32bit=0|1]2 a) v' H5 f0 ]; F
/* no discard */ [-K]; |4 y- J# }+ X8 P: M P
/* log subvol */ [-l agnum=n,internal,size=num,logdev=xxx,version=n
( p3 Q- n" `; u sunit=value|su=num,sectlog=n|sectsize=num,
e: q' ~$ z' E( L) L: T lazy-count=0|1], p) p9 n- s$ o; y4 x1 _
/* label */ [-L label (maximum 12 characters)]
2 C3 [7 t5 s2 c/* naming */ [-n log=n|size=num,version=2|ci,ftype=0|1]
4 e. D2 p; a( n) S8 v# g2 {; M/* no-op info only */ [-N]( U% Z' F: Y" R7 p
/* prototype file */ [-p fname]
) E E- w/ }9 P' b" G. l/* quiet */ [-q]: }4 c- H7 P' F: M
/* realtime subvol */ [-r extsize=num,size=num,rtdev=xxx]1 z- N6 D% L0 {; u- H
/* sectorsize */ [-s log=n|size=num]5 o5 _& U. g3 O3 o y/ V
/* version */ [-V]
+ }& q- f5 _- `, n$ ?* f+ V devicename
: Y, E7 {% U$ Q# v1 c/ u<devicename> is required unless -d name=xxx is given.( K, H$ w; ^) |$ v* n
<num> is xxx (bytes), xxxs (sectors), xxxb (fs blocks), xxxk (xxx KiB),3 O2 n8 R+ f! K0 Q% h
xxxm (xxx MiB), xxxg (xxx GiB), xxxt (xxx TiB) or xxxp (xxx PiB).0 \0 T1 T; b4 A
<value> is xxx (512 byte blocks).
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" V* e7 C" K1 ]. h [0 t( n说明磁盘被挂载状态是不让格式化的，需要卸载掉：. u. ` [* C& r |. K
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[root@KVM /]# umount /mnt/' \& u3 E' C- ^" g
[root@KVM /]# mkfs.xfs -f /dev/mapper/bigdata-cloud : ^9 w, `9 V7 D* j) V
meta-data=/dev/mapper/bigdata-cloud isize=512 agcount=4, agsize=183141376 blks/ w, d( Q- O# K: e( P- O
= sectsz=4096 attr=2, projid32bit=15 i. Z, [/ D8 h! h7 c& F
= crc=1 finobt=0, sparse=0
" |; \* c8 s+ F$ v. X- s0 U& Mdata = bsize=4096 blocks=732565504, imaxpct=5$ y7 o2 f* r$ D4 M M
= sunit=0 swidth=0 blks
# |0 k; O2 x/ T$ j) {, Mnaming =version 2 bsize=4096 ascii-ci=0 ftype=1
9 k T+ t/ n' O5 K* [log =internal log bsize=4096 blocks=357698, version=2
, M& R' [4 s' ?) r2 D = sectsz=4096 sunit=1 blks, lazy-count=13 s3 n2 O, ~- f5 \; l
realtime =none extsz=4096 blocks=0, rtextents=0: u# T3 V8 l; Z4 H7 C7 S+ S" w
+ |- r+ M+ C! k4 R* k$ ~" G3 C
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格式化成功。
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发表于 2021-3-9 20:56:04