星期的英语-跋怎么读

calVolume[Path] |
[-s|--snapshot] VolumeGroupName[Path] -V|--virtualsize VirtualSize}
[-c|--chunksize]
[-A|--autobackup {y|n}]
[--addtag Tag]
[--alloc AllocationPolicy]
[-C|--contiguous {y|n}]
[-d|--debug]
[-h|-?|--help]
[--ignoremonitoring]
[--monitor {y|n}]
[-i|--stripes Stripes [-I|--stripesize StripeSize]]
{-l|--extents LogicalExtentsNumber[%{VG|FREE|ORIGIN}] |
-L|--size LogicalVolumeSize[bBsSkKmMgGtTpPeE]}
[-M|--persistent {y|n}] [--major major] [--minor minor]
[-n|--name LogicalVolumeName]
[--noudevsync]
[-p|--permission {r|rw}]
[-r|--readahead ReadAheadSectors|auto|none]
[-t|--test]
[-v|--verbose]
[--version]
[PhysicalVolumePath...]


[root@dm01db01 ~]# lvdisplay
--- Logical volume ---
LV Name /dev/VGExaDb/LVDbSys1
VG Name VGExaDb
LV UUID ZR8ytQ-cp7g-4Zbs-c9XL-Tcuz-qNiw-yLFyiH
LV Write Access read/write
LV Status available
# open 1
LV Size 30.00 GB
Current LE 7680
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0

--- Logical volume ---
LV Name /dev/VGExaDb/LVDbSys2
VG Name VGExaDb
LV UUID io7gCa-icCA-0Dqq-EQOn-VpCB-eUZf-RqSiKy
LV Write Access read/write
LV Status available
# open 0
LV Size 30.00 GB
Current LE 7680
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1

--- Logical volume ---
LV Name /dev/VGExaDb/LVDbSwap1
VG Name VGExaDb
LV UUID 7GSX3V-Zf6m-XtCM-NFJl-gwfm-9P0G-3C8REu
LV Write Access read/write
LV Status available
# open 1
LV Size 24.00 GB
Current LE 6144
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:2

--- Logical volume ---
LV Name /dev/VGExaDb/LVDbOra1
VG Name VGExaDb
LV UUID Tnt0Or-Nkxc-3f3m-9o0W-rkHm-iUid-tz7JMm
LV Write Access read/write
LV Status available
# open 1
LV Size 100.00 GB
Current LE 25600
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:3


[root@dm01db01 ~]# lvcreate -L 500g -n LVexpdp VGExaDb
Logical volume "LVexpdp" created
[root@dm01db01 ~]#
lvdisplay
--- Logical volume ---
LV Name /dev/VGExaDb/LVDbSys1
VG Name VGExaDb
LV UUID ZR8ytQ-cp7g-4Zbs-c9XL-Tcuz-qNiw-yLFyiH
LV Write Access read/write
LV Status available
# open 1
LV Size 30.00 GB
Current LE 7680
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0

--- Logical volume ---
LV Name /dev/VGExaDb/LVDbSys2
VG Name VGExaDb
LV UUID io7gCa-icCA-0Dqq-EQOn-VpCB-eUZf-RqSiKy
LV Write Access read/write
LV Status available
# open 0
LV Size 30.00 GB
Current LE 7680
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1

--- Logical volume ---
LV Name /dev/VGExaDb/LVDbSwap1
VG Name VGExaDb
LV UUID 7GSX3V-Zf6m-XtCM-NFJl-gwfm-9P0G-3C8REu
LV Write Access read/write
LV Status available
# open 1
LV Size 24.00 GB
Current LE 6144
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:2

--- Logical volume ---
LV Name /dev/VGExaDb/LVDbOra1
VG Name VGExaDb
LV UUID Tnt0Or-Nkxc-3f3m-9o0W-rkHm-iUid-tz7JMm
LV Write Access read/write
LV Status available
# open 1
LV Size 100.00 GB
Current LE 25600
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:3

--- Logical volume ---
LV Name /dev/VGExaDb/LVexpdp
VG Name VGExaDb
LV UUID hO64De-asj5-tYP4-ufhl-tEPI-vuCt-521gIq
LV Write Access read/write
LV Status available
# open 0
LV Size 500.00 GB
Current LE 128000
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:4

[root@dm01db01 ~]# mkfs
Usage: mkfs [-V] [-t fstype] [fs-options] device [size]

[root@dm01db01 ~]# mkfs -t ext3 /dev/VGExaDb/LVexpdp
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
65536000 inodes, 131072000 blocks
6553600 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
16384 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

This filesystem will be automatically checked every 39 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@dm01db01 ~]#
[root@dm01db01 ~]#
[root@dm01db01 ~]# which lvcreate
/usr/sbin/lvcreate
[root@dm01db01 ~]# cd /usr/sbin
[root@dm01db01 sbin]# ls *lv*
lvchange lvcreate lvextend lvmchange lvmdump lvmsar lvremove lvresize lvscan
lvconvert lvdisplay lvm lvmdiskscan lvmsadc lvreduce lvrename lvs
[root@dm01db01 sbin]# lvresize
Please specify either size or extents but not both.
Run `lvresize --help' for more information.
[root@dm01db01 sbin]# lvresize --help
lvresize: Resize a logical volume

lvresize
[-A|--autobackup y|n]
[--alloc AllocationPolicy]
[-d|--debug]
[-f|--force]
[-h|--help]
[-i|--stripes Stripes [-I|--stripesize StripeSize]]
{-l|--extents [+|-]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}] |
-L|--size [+|-]LogicalVolumeSize[bBsSkKmMgGtTpPeE]}
[-n|--nofsck]
[--noudevsync]
[-r|--resizefs]
[-t|--test]
[--type VolumeType]
[-v|--verbose]
[--version]
LogicalVolume[Path] [ PhysicalVolumePath... ]

[root@dm01db01 sbin]# lvresize -L 556G -r LVexpdp /dev/sda3
Path required for Logical Volume "LVexpdp"
Please provide a volume group name
Run `lvresize --help' for more information.
[root@dm01db01 sbin]# lvresize -L 556G -r /dev/VGExaDb/LVexpdp /dev/sda3
fsck 1.39 (29-May-2006)
/dev/mapper/VGExaDb-LVexpdp: clean, 11/65536000 files, 2107258/131072000 blocks
Extending logical volume LVexpdp to 556.00 GB
Logical volume LVexpdp successfully resized
resize2fs 1.39 (29-May-2006)
Resizing the filesystem on /dev/mapper/VGExaDb-LVexpdp to 145752064 (4k) blocks.
The filesystem on /dev/mapper/VGExaDb-LVexpdp is now 145752064 blocks long.

[root@dm01db01 sbin]# mkdir /u01/expdmp
[root@dm01db01 sbin]# mount -t ext3 /dev/VGExaDb/LVexpdp /u01/expdmp
[root@dm01db01 sbin]# df -h /u01/expdmp
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VGExaDb-LVexpdp
548G 198M 520G 1% /u01/expdmp
[root@dm01db01 sbin]# chown oracle:oinstall /u01/expdmp
[root@dm01db01 sbin]# vi /etc/fstab

LABEL=DBSYS / ext3 defaults 1 1
LABEL=BOOT /boot ext3 defaults,nodev 1 1
LABEL=DBORA /u01 ext3 defaults,nodev 1 1
tmpfs /dev/shm tmpfs defaults,size=21958
5m 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
LABEL=SWAP swap swap defaults 0 0
~
~


~
~
[root@dm01db01 sbin]# df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VGExaDb-LVDbSys1
30G 16G 13G 55% /
[root@dm01db01 sbin]# pwd
/usr/sbin
[root@dm01db01 sbin]# cd /etc
[root@dm01db01 etc]# ls fs*
fstab
[root@dm01db01 etc]# man fstab
FSTAB(5) Linux Programmer鈥檚 Manual FSTAB(5)

NAME
fstab - static information about the filesystems

SYNOPSIS
#include

DESCRIPTION
The file fstab contains descriptive information about the various file systems. fstab is only read by pro-
grams, and not written; It is the duty of the system administrator to properly create and maintain this file.
Each filesystem is described on a separate line; fields on each line are separated by tabs or spaces. Lines
starting with 鈥鈥are comments. The order of records in fstab is important because fsck(8), mount(8), and
umount(8) sequentially iterate through fstab doing their thing.

The first field, (fs_spec), describes the block special device or remote filesystem to be mounted.

For ordinary mounts it will hold (a link to) a block special device node (as created by mknod(8)) for the
device to be mounted, like 鈥dev/cdrom鈥or 鈥dev/sdb7鈥 For NFS mounts one will have :, e.g.,
鈥榢:/鈥 For procfs, use 鈥榩roc鈥
Instead of giving the device explicitly, one may indicate the (ext2 or xfs) filesystem that is to be mounted by
its UUID or volume label (cf. e2label(8) or xfs_admin(8)), writing LABEL= or UUID=, e.g.,
鈥楲ABEL=Boot鈥 or 鈥楿UID=3e6be9de-8139-11d1-9106-a43f08d823a6鈥 This will make the system more robust: adding or
removing a SCSI disk changes the disk device name but not the filesystem volume label.

The second field, (fs_file), describes the mount point for the filesystem. For swap partitions, this field
should be specified as 鈥榥one鈥 If the name of the mount point contains spaces these can be escaped as 鈥榎040鈥
The third field, (fs_vfstype), describes the type of the filesystem. Linux supports lots of filesystem types,
such as adfs, affs, autofs, coda, coherent, cramfs, devpts, efs, ext2, ext3, hfs, hpfs, iso9660, jfs, minix,
msdos, ncpfs, nfs, ntfs, proc, qnx4, reiserfs, romfs, smbfs, sysv, tmpfs, udf, ufs, umsdos, vfat, xenix, xfs,
and possibly others. For more details, see mount(8). For the filesystems currently supported by the running

kernel, see /proc/filesystems. An entry swap denotes a file or partition to be used for swapping, cf.
swapon(8). An entry ignore causes the line to be ignored. This is useful to show disk partitions which are
currently unused.

The fourth field, (fs_mntops), describes the mount options associated with the filesystem.

It is formatted as a comma separated list of options. It contains at least the type of mount plus any addi-
tional options appropriate to the filesystem type. For documentation on the available options for non-nfs file
systems, see mount(8). For documentation on all nfs-specific options have a look at nfs(5). Common for all
types of file system are the options 鈥樷€榥oauto鈥欌€(do not mount when "mount -a" is given, e.g., at boot time),
鈥樷€榰ser鈥欌€ (allow a user to mount), 鈥樷€榦wner鈥欌€(allow device owner to mount), 鈥樷€榩amconsole鈥欌€(allow a user at the
console to mount), and 鈥樷€榗omment鈥欌€(e.g., for use by fstab-maintaining programs). The 鈥樷€榦wner鈥欌€ 鈥樷€榩amcon-
sole鈥欌€and 鈥樷€榗omment鈥欌€options are Linux-specific. For more details, see mount(8).

The fifth field, (fs_freq), is used for these filesystems by the dump(8) command to determine which filesystems
need to be dumped. If the fifth field is not present, a value of zero is returned and dump will assume that
the filesystem does not need to be dumped.

The sixth field, (fs_passno), is used by the fsck(8) program to determine the order in which filesystem checks
are done at reboot time. The root filesystem should be specified with a fs_passno of 1, and other filesystems
should have a fs_passno of 2. Filesystems within a drive will be checked sequentially, but filesystems on dif-
ferent drives will be checked at the same time to utilize parallelism available in the hardware. If the sixth
field is not present or zero, a value of zero is returned and fsck will assume that the filesystem does not
need to be checked.

The proper way to read records from fstab is to use the routines getmntent(3).

FILES
/etc/fstab

SEE ALSO
getmntent(3), mount(8), swapon(8), fs(5), nfs(5)

HISTORY
The ancestor of this fstab file format appeared in 4.0BSD.

Linux 2.2 15 June 1999 FSTAB(5)
[
[root@dm01db01 etc]# e2label
Usage: e2label device [newlabel]
[root@dm01db01 etc]# e2label /dev/VGExaDb/LVexpdp /u01/expdmp
[root@dm01db01 etc]# e2label /dev/VGExaDb/LVexpdp
/u01/expdmp
[root@dm01db01 etc]# e2label /dev/VGExaDb/LVexpdp expdmp
[root@dm01db01 etc]# e2label /dev/VGExaDb/LVexpdp
expdmp
[root@dm01db01 etc]# vi /etc/fstab


LABEL=DBSYS / ext3 defaults 1 1
LAB
EL=BOOT /boot ext3 defaults,nodev 1 1
LABEL=DBORA /u01 ext3 defaults,nodev 1 1
tmpfs /dev/shm tmpfs defaults,size=219585m 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
LABEL=SWAP swap swap defaults 0 0
LABEL=expdmp /u01/expdmp ext3 defaults,nodev 1 1
~

~
"fstab" 9L, 682C written
[root@dm01db01 etc]# umount /u01/expdmp
[root@dm01db01 etc]# mount /u01/expdmp
[root@dm01db01 etc]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VGExaDb-LVDbSys1
30G 16G 13G 55% /
/dev/sda1 502M 51M 427M 11% /boot
/dev/mapper/VGExaDb-LVDbOra1
99G 19G 75G 21% /u01
tmpfs 215G 12M 215G 1% /dev/shm
^C
[root@dm01db01 etc]# df -h /u01/expdmp
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VGExaDb-LVexpdp
548G 198M 520G 1% /u01/expdmp
[root@dm01db01 etc]#


expdp pda/pda620@outpda2 directory=dat_dir dumpfile=dat_dir:emspda1% dumpfile=dat_dir:emspda2% dumpfile=dat_dir:emspda3% schemas=pda filesize=30g logfile=dat_dir: parallel=4 cluster=n

===============================================================================
pvdisplay
vgdisplay
lvdisplay

pvcreate /dev/sdb1 /dev/sdc1 /dev/sdd1 //创建pv

vgcreate VolGroup00 /dev/sdb1 /dev/sdc1 /dev/sdd1 //创建卷组

将新的物理卷添加到卷组中 vgextend VolGroup00 /dev/sdc1

lvcreate -L 1500G –n 逻辑卷名 逻辑卷组名 //创建逻辑卷

lvresize -L 3000G /dev/VolGroup00/LVdangan //扩大逻辑卷(重新划分空间大小)

将新的空间添加到逻辑卷中 lvextend -L +3000G /dev/VolGroup00/DataBack1 --目前用df -h还看不到改变，需要激活 resize2fs -p dev/VolGroup00/LogVol00

mkfs -t ext3 /dev/VolGroup00/LVdangan //逻辑卷格式化



[root@dm01db01 sbin]# mkdir /u01/expdmp
[root@dm01db01 sbin]# mount -t ext3 /dev/VGExaDb/LVexpdp /u01/expdmp
[root@dm01db01 sbin]# df -h /u01/expdmp


[root@dm01db01 etc]# e2label /dev/VGExaDb/LVexpdp expdmp
[root@dm01db01 etc]# e2label /dev/VGExaDb/LVexpdp
expdmp
[root@dm01db01 etc]# vi /etc/fstab


LABEL=DBSYS / ext3 defaults 1 1
LABEL=BOOT /boot ext3 defaults,nodev 1 1
LABEL=DBORA /u01 ext3 defaults,nodev 1 1
tmpfs /dev/shm tmpfs defaults,size=219585m 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults
0 0
proc /proc proc defaults 0 0
LABEL=SWAP swap swap defaults 0 0
LABEL=expdmp /u01/expdmp ext3 defaults,nodev 1 1


vgremove vg1000#删除卷组"vg1000"
pvremove /dev/sdb2 #删除物理卷

1、创建分区 fdisk /dev/sdc
n
p
1
w
2、创建物理卷 pvcreate /dev/sdc1
3、格式化物理卷3 /dev/sdc1
4、将新的物理卷添加到卷组中 vgextend VolGroup00 /dev/sdc1
5、将新的空间添加到逻辑卷中
lvcreate -L 3000G -n LogVol00 VolFtp00
lvextend -L +10G /dev/VolGroup00/LogVol00（提前可以挂载到目录下查看大小再决定添加的空间）
6、加上去后，目前用df -h还看不到改变，需要激活 resize2fs -p dev/VolGroup00/LogVol00
7、用df -h查看



pvcreate /dev/mapper/mpathcp1

pvcreate /dev/mapper/mpathbp1
pvcreate /dev/mapper/mpathdp1


vgcreate VolGroup00 /dev/mapper/mpathcp1

vgcreate VolGroup01 /dev/mapper/mpathbp1 /dev/mapper/mpathdp1


lvcreate -L 3000G –n LVdatac VolGroup00

lvcreate -L 1400G –n LVdatadb VolGroup01


4 -F /dev/VolGroup00/LVdatac
4 -F /dev/VolGroup01/LVdatadb


vgchange -a y VolGroup00 激活卷组
vgchange -a y VolGroup01



mount -o remount /
mount

mount -t ext4 /dev/VolGroup00/LVdatac /data1




[root@data2 ~]# find / -name
/etc/lvm/
[root@data2 ~]# cd /etc/lvm
[root@data2 lvm]# ls
archive backup cache profile
[root@data2 lvm]# pwd
/etc/lvm
[root@data2 lvm]#






pvcreate /dev/sdb1
pvcreate /dev/sdc1
pvcreate /dev/sdd1
pvcreate /dev/sde1

vgcreate FtpGroup00 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1

lvcreate -L 3000G -n LVftp FtpGroup00

lvextend -L +200G /dev/FtpGroup00/LVftp

4 -F /dev/FtpGroup00/LVftp

vgchange -a y FtpGroup00


mount -t ext4 /dev/FtpGroup00/LVftp /ftpdir


==================================
pvcreate /dev/sdb1
pvcreate /dev/sdc1
pvcreate /dev/sdd1

vgcreate DataGroup00 /dev/sdb1 /dev/sdc1 /dev/sdd1

lvcreate -L 1000G -n LVdata DataGroup00

4 -F /dev/DataGroup00/LVdata

vgchange -a y DataGroup00

mount -t ext4 /dev/DataGroup00/LVdata /oradata



pvcreate /dev/mapper/mpathgp1

vgcreate DataGroup00 /dev/mapper/mpathgp1

lvcreate -L 1000G -n LVdata DataGroup00

4 -F /dev/DataGroup00/LVdata

vgchange -a y DataGroup00

mount -t ext4 /dev/DataGroup00/LVdata /oradata

[root@dm01db01 etc]# e2label /dev/DataGroup00/LVdata oradata
[root@dm01db01 etc]# e2label /dev/DataGroup00/LVdata
oradata
[root@dm01db01 etc]# vi /etc/fstab


LABEL=DBSYS / ext3 defaults 1 1
LABEL=BOOT /boot ext3 defaults,nodev 1 1
LABEL=DBORA /u01 ext3 defaults,nodev 1 1
tmpfs /dev/shm t
mpfs defaults,size=219585m 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
LABEL=SWAP swap swap defaults 0 0
LABEL=oradata /oradata ext4 defaults,nodev 1 1


==========================================================


fdisk /dev/mapper/mpathb /dev/mapper/mpathc



pvcreate /dev/mapper/mpathbp1
pvcreate /dev/mapper/mpathcp1


vgcreate DataGroup01 /dev/mapper/mpathbp1 /dev/mapper/mpathcp1

lvcreate -L 4300G -n LVdata DataGroup01


4 -F /dev/DataGroup01/LVdata

vgchange -a y DataGroup01

mount -t ext4 /dev/DataGroup01/LVdata /data



e2label /dev/DataGroup01/LVdata data


vi /etc/fstab
LABEL=data /data ext4 defaults,nodev 1 1





lvresize -L +10G /dev/mapper/DataGroup01-LVdata

resize2fs /dev/mapper/DataGroup01-LVdata

==========================================================



/etc/

blacklist?{?
devnode?"^sda"?
}?
defaults {

user_friendly_names?yes
path_grouping_policy?multibus
failback?immediate
no_path_retry?fail
}

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