【home88一必发】开创LVM的日志记录,磁盘分区

by admin on 2019年7月11日

Linux是一类UnixComputer操作系统的统称。Linux操作系统的基本的名字也是“Linux”。如何对linux系统进行分区和分区加密呢?下文给出了详实的描述。

[root@appserver ~]# df -h /*翻开现存分区情形*/
文件系统 体量 已用 可用 已用%% 挂载点
/dev/vda1 9.9G 8.2G 1.2G 88% /
tmpfs 3.9G 100K 3.9G 1% /dev/shm
/dev/sr0 368K 368K 0 100% /media/CDROM
[root@appserver ~]# fdisk -l /*翻看现存DISK*/

【知识点】

linux命令: df   fdisk mount/unmount

先上一张鸟哥LVM的图.认为那张最清楚了。

RedHat市廛6中有强劲的图样分区工具,这里自身享受下笔者所驾驭的经过命令行对磁盘进行分区。

Disk /dev/vda: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
【home88一必发】开创LVM的日志记录,磁盘分区。Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0003e85f

【步骤】

home88一必发 1

1、分区

Device Boot Start End Blocks Id System
/dev/vda1 * 1 1306 10484736 83 Linux

1. 翻看磁盘音信  fdisk -l

[root@host-10-14-40-177 dev]# fdisk
-l
Disk /dev/vda: 4294 MB, 4294967296 bytes
43 heads, 32 sectors/track, 6096 cylinders
Units = cylinders of 1376 * 512 = 704512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000dcf96
Device Boot Start End Blocks Id System
/dev/vda1 * 2 6097 4193280 83 Linux
Disk /dev/vdb: 2147.5 GB, 2147483648000 bytes
16 heads, 63 sectors/track, 4161015 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xb29abbe6
Device Boot Start End Blocks Id System
/dev/vdb1 1 208052 104858176+ 83 Linux
/dev/vdb2 208053 2288561 1048576536 83 Linux

#以下以Xshell的日志记录系统平昔记录.上边增添了一些私家知道的申明
[BEGIN] 2016/9/13 9:22:24
#先查看下硬盘的景况.
[root@linuxidc ~]# fdisk -l

 

Disk /dev/vdb: 214.7 GB, 214748364800
bytes
16 heads, 63 sectors/track, 416101 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

2. 增多分区 fdisk 磁盘

    fdisk /dev/vdb   #在磁盘/dev/vdb划分磁盘

[root@host-10-14-40-177 dev]# fdisk /dev/vdb
WARNING: DOS-compatible mode is deprecated. It’s strongly recommended
to
switch off the mode (command ‘c’) and change display units to
sectors (command ‘u’).
Command (m for help): n         
#加上分区
Command action
e extended
p primary partition (1-4)
p                                             #增添主分区
Partition number (1-4): 3          
First cylinder (2288562-4161015, default 2288562):
Using default value 2288562
Last cylinder, +cylinders or +size{K,M,G} (2288562-4161015, default
4161015): +50G
Command (m for help): w                  
#写入分区
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.

Disk /dev/vda: 64.4 GB, 64424509440 bytes
255 heads, 63 sectors/track, 7832 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00078f9c

  1. [root@burvis~]#fdisk/dev/sda
  2. WARNING:DOS-compatiblemodeisdeprecated.It’sstronglyrecommendedto
  3. switchoffthemode(command’c’)andchangedisplayunitsto
  4. sectors(command’u’).
  5. Command(mforhelp):

[root@appserver ~]# fdisk /dev/vdb/*用fdisk分区工具对磁盘分区*/

3. 格式化磁盘

  mkfs.exts4 /dev/vdb3

  Device Boot      Start        End      Blocks  Id  System
/dev/vda1  *          1        7833    62912512  83  Linux

 

Device contains neither a valid DOS partition table, nor Sun, SGI or OSF
disklabel
Building a new DOS disklabel with disk identifier 0x264c68f0.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won’t be recoverable.

备注:格式分区方法

mkfs – 支持ext2、ext3(日志)、vfat、msdos、jfs、reiserfs等

用法1:mkfs -t <fstype> <partition>

例:#mkfs -t ext3 /dev/hda1

用法2:mkfs.<fstype> <partition>

例:#mkfs.vfat /dev/hda2

【home88一必发】开创LVM的日志记录,磁盘分区。Disk /dev/vdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3a7be7cb

此地就算你用虚构机的话能够用#fdisk-cu/dev/vda

Warning: invalid flag 0x0000 of partition table 4 will be corrected by
w(rite)

4. 挂载分区

  mount /dev/vdb3 /home

  Device Boot      Start        End      Blocks  Id  System
/dev/vdb1              1      65270  524281243+  8e  Linux LVM
#上边这里显示已经有LVM.可是为了方便演示. 上面先将以此删除掉了
[root@linuxidc ~]# fdisk /dev/vdb

那边本身用虚构机作示范

WARNING: DOS-compatible mode is deprecated. It’s strongly recommended
to
switch off the mode (command ‘c’) and change display units to
sectors (command ‘u’).

5. 写入/etc/fstab文件

 
以上操作,在系统重启后,swap文件的分寸又会变回原大小,大家得以在/etc/fstab里扩充上边包车型地铁安排,使其重启后,大家恰好的布局依旧有效。加多如下:

/dev/vdb1 /u01 ext4 defaults 0 0

/dev/vdb2 /data ext4 defaults 0 0

/dev/vdb3 /home ext4 defaults 0 0

/dev/vdb4 swap swap defaults 0 0

WARNING: DOS-compatible mode is deprecated. It’s strongly recommended
to
        switch off the mode (command ‘c’) and change display units to
        sectors (command ‘u’).

小编们先按m获取援救

Command (m for help): m
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition’s system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)

Command (m for help): p

 

Command (m for help): n
Command action
e extended
p primary partition (1-4)
e
Partition number (1-4): 1
First cylinder (1-416101, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-416101, default 416101):
Using default value 416101

Disk /dev/vdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3a7be7cb

  1. Commandaction
  2. atoggleabootableflag
  3. beditbsddisklabel
  4. ctogglethedoscompatibilityflag
  5. ddeleteapartition
  6. llistknownpartitiontypes
  7. mprintthismenu
  8. naddanewpartition
  9. ocreateanewemptyDOSpartitiontable
  10. pprintthepartitiontable
  11. qquitwithoutsavingchanges
  12. screateanewemptySundisklabel
  13. tchangeapartition’ssystemid
  14. uchangedisplay/entryunits
  15. vverifythepartitiontable
  16. wwritetabletodiskandexit
  17. xextrafunctionality(expertsonly)

Command (m for help): w
The partition table has been altered!

  Device Boot      Start        End      Blocks  Id  System
/dev/vdb1              1      65270  524281243+  8e  Linux LVM

 

Calling ioctl() to re-read partition table.
Syncing disks.
[root@appserver ~]# fdisk -l

Command (m for help): d
Selected partition 1

此间首要使用的有

Disk /dev/vda: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0003e85f

Command (m for help): p

n新建八个分区

Device Boot Start End Blocks Id System
/dev/vda1 * 1 1306 10484736 83 Linux

Disk /dev/vdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3a7be7cb

d删除二个分区

Disk /dev/vdb: 214.7 GB, 214748364800
bytes
16 heads, 63 sectors/track, 416101 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x264c68f0

  Device Boot      Start        End      Blocks  Id  System

t改造分区类型(进去后按l能够查阅全数品种)

Device Boot Start End Blocks Id System
/dev/vdb1 1 416101 209714872+ 5
Extended

Command (m for help): n
Command action
  e  extended
  p  primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-65270, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-65270, default 65270):
Using default value 65270

p查看分区情状

home88一必发 2

Command (m for help): p

w写入并脱离

Disk /dev/vdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3a7be7cb

q退出不写入

  Device Boot      Start        End      Blocks  Id  System
/dev/vdb1              1      65270  524281243+  83  Linux
#此地使用t来修改格式.由于是亟需LVM.所以供给改为8e的格式.
Command (m for help): t
Selected partition 1
Hex code (type L to list codes): 8e
Changed system type of partition 1 to 8e (Linux LVM)

m获取支持

Command (m for help): p

接下去大家p查看分区音信

Disk /dev/vdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3a7be7cb

 

  Device Boot      Start        End      Blocks  Id  System
/dev/vdb1              1      65270  524281243+  8e  Linux LVM

  1. Command(mforhelp):p
  2. Disk/dev/vda:6442MB,6442450944bytes
  3. 16heads,63sectors/track,12483cylinders,total12582912sectors
  4. Units=sectorsof1*512=512bytes
  5. Sectorsize(logical/physical):512bytes/512bytes
  6. I/Osize(minimum/optimal):512bytes/512bytes
  7. Diskidentifier:0x0008f7fd
  8. DeviceBootStartEndBlocksIdSystem
  9. /dev/vda1*204852633526214483Linux
  10. /dev/vda2526336991436746940168eLinuxLVM

Command (m for help): w
The partition table has been altered!

 

Calling ioctl() to re-read partition table.
Syncing disks.
[root@linuxidc ~]# partprobe
Warning: WARNING: the kernel failed to re-read the partition table on
/dev/vda (Device or resource busy). 
As a result, it may not reflect all of your changes until after
reboot.
[root@linuxidc ~]# fdisk -l

按n新建三个分区

Disk /dev/vda: 64.4 GB, 64424509440 bytes
255 heads, 63 sectors/track, 7832 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00078f9c

 

  Device Boot      Start        End      Blocks  Id  System
/dev/vda1  *          1        7833    62912512  83  Linux

  1. Command(mforhelp):p
  2. Disk/dev/vda:6442MB,6442450944bytes
  3. 16heads,63sectors/track,12483cylinders,total12582912sectors
  4. Units=sectorsof1*512=512bytes
  5. Sectorsize(logical/physical):512bytes/512bytes
  6. I/Osize(minimum/optimal):512bytes/512bytes
  7. Diskidentifier:0x0008f7fd
  8. DeviceBootStartEndBlocksIdSystem
  9. /dev/vda1*204852633526214483Linux
  10. /dev/vda2526336991436746940168eLinuxLVM

Disk /dev/vdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3a7be7cb

 

  Device Boot      Start        End      Blocks  Id  System
/dev/vdb1              1      65270  524281243+  8e  Linux LVM
[root@linuxidc ~]# pvscan
  No matching physical volumes found
#先建pv.后边接具体的撤销合并的路线.
[root@linuxidc ~]# pvcreate /dev/vdb1
  Physical volume “/dev/vdb1” successfully created
[root@linuxidc ~]# pvscan
  PV /dev/vdb1                      lvm2 [499.99 GiB]
  Total: 1 [499.99 GiB] / in use: 0 [0  ] / in no VG: 1 [499.99
GiB]
[root@linuxidc ~]# pvdisplay
  “/dev/vdb1” is a new physical volume of “499.99 GiB”
  — NEW Physical volume —
  PV Name              /dev/vdb1
  VG Name             
  PV Size              499.99 GiB
  Allocatable          NO
  PE Size              0 
  Total PE              0
  Free PE              0
  Allocated PE          0
  PV UUID              GOeBQF-iCCD-n7i7-Y4DT-U5PE-tjHK-B9Z3CL
 
#再建VG.由于是直接接纳成套划分的区块,所以一贯跟区块名
/dev/vdb1,前面接的是vg名称,那一个随意命名的.
[root@linuxidc ~]# vgcreate mailbox_vg /dev/vdb1
  Volume group “mailbox_vg” successfully created
[root@linuxidc ~]# vgscan
  Reading all physical volumes.  This may take a while…
  Found volume group “mailbox_vg” using metadata type lvm2
[root@linuxidc ~]# pvscan
  PV /dev/vdb1  VG mailbox_vg  lvm2 [499.99 GiB / 499.99 GiB free]
  Total: 1 [499.99 GiB] / in use: 1 [499.99 GiB] / in no VG: 0 [0 
]
[root@linuxidc ~]# vgdisplay
  — Volume group —
  VG Name              mailbox_vg
  System ID           
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  1
  VG Access            read/write
  VG Status            resizable
  MAX LV                0
  Cur LV                0
  Open LV              0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size              499.99 GiB
  PE Size              4.00 MiB
  Total PE              127998
  Alloc PE / Size      0 / 0 
  Free  PE / Size      127998 / 499.99 GiB
  VG UUID              JjdDER-Y1OK-ICwZ-3FgC-cry2-bZYl-SqD3RP
 
#上边须求创制LV.-l后边接的是pe的数量.这些可使用方面包车型客车vgdisplay的授命来查看.
#下一场后边接lv的名称.也是可以不管命名,然而个人建议这里写个能够区分的.要不到时难分清楚.
[root@linuxidc ~]# lvcreate -l 127998 -n mailbox_lv mailbox_vg
  Logical volume “mailbox_lv” created
[root@linuxidc ~]# lvdisplay
  — Logical volume —
  LV Path                /dev/mailbox_vg/mailbox_lv
  LV Name                mailbox_lv
  VG Name                mailbox_vg
  LV UUID                VPA4HE-22B4-gZc0-Qo8V-TO1C-tKaF-AT8s5T
  LV Write Access        read/write
  LV Creation host, time linuxidc, 2016-09-13 09:25:34 +0800
  LV Status              available
  # open                0
  LV Size                499.99 GiB
  Current LE            127998
  Segments              1
  Allocation            inherit
  Read ahead sectors    auto
  – currently set to    256
  Block device          253:0
 
[root@linuxidc ~]# fdisk -l

此间按e为扩展分区,p为主分区

Disk /dev/vda: 64.4 GB, 64424509440 bytes
255 heads, 63 sectors/track, 7832 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00078f9c

咱俩建二个扩充足区

  Device Boot      Start        End      Blocks  Id  System
/dev/vda1  *          1        7833    62912512  83  Linux

输入e

Disk /dev/vdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3a7be7cb

分选第多少个分区

  Device Boot      Start        End      Blocks  Id  System
/dev/vdb1              1      65270  524281243+  8e  Linux LVM

选料开头点,能够一直回车选取暗许

Disk /dev/mapper/mailbox_vg-mailbox_lv: 536.9 GB, 536862523392 bytes
255 heads, 63 sectors/track, 65269 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

选择终止点,这里能够像笔者同样用+1G,表示给1G的半空中,可能能够直接输入终止点的职位

#建好了.进行格式化
[root@linuxidc ~]# mkfs -t ext4 /dev/mailbox_vg/mailbox_lv
mke2fs 1.41.12 (17-May-2010)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
32768000 inodes, 131069952 blocks
6553497 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
4000 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
    32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632,
2654208,
    4096000, 7962624, 11239424, 20480000, 23887872, 71663616,
78675968,
    102400000

 

Writing inode tables: done                           
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

  1. e
  2. Partitionnumber(1-4):3
  3. Firstsector(9914368-12582911,default9914368):
  4. Usingdefaultvalue9914368
  5. Lastsector,+sectorsor+size{K,M,G}(9914368-12582911,default12582911):+1G

This filesystem will be automatically checked every 34 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
#始建挂载目录,实行挂载.
[root@linuxidc ~]# mkdir /mail_mailbox
[root@linuxidc ~]# mount /dev/
Display all 179 possibilities? (y or n)
[root@linuxidc ~]# mount /dev/mailbox_vg/mailbox_lv
/mail_mailbox/
[root@linuxidc ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/vda1              59G  1.9G  55G  4% /
tmpfs                3.9G    0  3.9G  0% /dev/shm
/dev/mapper/mailbox_vg-mailbox_lv
                      493G  70M  467G  1% /mail_mailbox
#选择vim修改fstab的文件.让其开机自动的挂载 .

home88一必发 3

以下是末端cat /etc/fstab的源委补上,这里vim未有记录

[root@linuxidc ~]# cat /etc/fstab

#
# /etc/fstab
# Created by anaconda on Thu Aug 14 21:16:42 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
#
UUID=94e4e384-0ace-437f-bc96-057dd64f42ee / ext4 defaults,barrier=0 1
1
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
/dev/mailbox_vg/mailbox_lv    /mail_mailbox    ext4    defaults    1
2

[root@linuxidc ~]#

[root@linuxidc ~]# vim /etc/fstab
#下边举行umount然后再mount -a测量检验一下fstab是还是不是平常写
[root@linuxidc ~]# umount /mail_mailbox/
[root@linuxidc ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/vda1        59G  1.9G  55G  4% /
tmpfs          3.9G    0  3.9G  0% /dev/shm
[root@linuxidc ~]# mount -a
[root@linuxidc ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/vda1              59G  1.9G  55G  4% /
home88一必发 ,tmpfs                3.9G    0  3.9G  0% /dev/shm
/dev/mapper/mailbox_vg-mailbox_lv
                      493G  70M  467G  1% /mail_mailbox

[END] 2016/9/13 9:32:31

那边到此就甘休的.整合一下有关的一部分手续:

#fdisk /dev/vdb
#pvcreate /dev/vdb1
#vgcreate mailbox_vg /dev/vdb1
#lvcreate -l 127998 -n mailbox_lv mailbox_vg
#mkfs -t ext4 /dev/mailbox_vg/mailbox_lv
#mkdir /mail_mailbox
#mount /dev/mailbox_vg/mailbox_lv /mail_mailbox/

什么样调治LVM 逻辑分区的分寸? 
http://www.linuxidc.com/Linux/2016-06/132709.htm

LVM2详解 
http://www.linuxidc.com/Linux/2015-09/122976.htm

Ubuntu 上接纳 LVM
轻松调解分区并缔造快速照相 
http://www.linuxidc.com/Linux/2015-09/122563.htm

行使LVM创制弹性磁盘存款和储蓄——第一有些 
http://www.linuxidc.com/Linux/2014-10/107697.htm

在Linux中扩张/缩减LVM(第二片段) 
http://www.linuxidc.com/Linux/2014-10/107786.htm

在 LVM中 录像逻辑卷快速照相并恢复生机(第三有的)
http://www.linuxidc.com/Linux/2014-11/108867.htm

在LVM中安装精简财富调配卷(第四部分)
http://www.linuxidc.com/Linux/2014-11/109757.htm

利用条块化I/O处理八个LVM磁盘(第五局地)
http://www.linuxidc.com/Linux/2014-12/110532.htm

本文永恒更新链接地址:http://www.linuxidc.com/Linux/2016-09/135442.htm

home88一必发 4

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