當前位置:首頁 » 操作系統 » linux配置路徑

linux配置路徑

發布時間: 2022-08-18 03:57:49

linux系統怎麼配置多路徑

Linux多路徑指的是除了主機和硬碟一條路徑的連接,還包括了主機和網路伺服器的連接形成的主機一對多的路徑連接關系。通過多路徑的連接,實現了磁碟的虛擬化。

1、安裝多路徑軟體包:
device-mapper-1.02.67-2.el5
device-mapper-event-1.02.67.2.el5
device-mapper-multipath-0.4.7-48.el5
[root@RKDB01 Server]# rpm -ivh device-mapper-1.02.67-2.el5.x86_64.rpm
warning: device-mapper-1.02.67-2.el5.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing.。。 ########################################### [100%]
package device-mapper-1.02.67-2.el5.x86_64 is already installed
[root@RKDB01 Server]# rpm -ivh device-mapper-event-1.02.67-2.el5.x86_64.rpm
warning: device-mapper-event-1.02.67-2.el5.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing.。。 ########################################### [100%]
package device-mapper-event-1.02.67-2.el5.x86_64 is already installed
[root@RKDB01 Server]# rpm -ivh device-mapper-multipath-0.4.7-48.el5.x86_64.rpm
warning: device-mapper-multipath-0.4.7-48.el5.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing.。。 ########################################### [100%]
package device-mapper-multipath-0.4.7-48.el5.x86_64 is already installed
2、設置開機啟動,並檢查安裝包是否正常:
chkconfig --level 345 multipathd on
lsmod |grep dm_multipath
[root@RKDB01 Server]# chkconfig --level 345 multipathd on
[root@RKDB01 Server]# lsmod |grep dm_multipath
dm_multipath 58969 0
scsi_dh 42561 1 dm_multipath
dm_mod 102417 4 dm_mirror,dm_multipath,dm_raid45,dm_log
[root@RKDB01 Server]#
3、配置multipathd 使其正常工作,編輯/etc/multipath.conf,開放如下內容:
defaults {
udev_dir /dev
polling_interval 10
selector 「round-robin 0」
path_grouping_policy multibus
getuid_callout 「/sbin/scsi_id -g -u -s /block/%n」
prio_callout none
path_checker readsector0
rr_min_io 100
max_fds 8192
rr_weight priorities
failback immediate
no_path_retry fail
user_friendly_names yes
}
blacklist {
wwid 26353900f02796769
devnode 「^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*」
devnode 「^hd[a-z]」
}
4、並關閉如下內容
#blacklist {
# devnode 「*」
#}
#defaults {
27 # user_friendly_names yes
28 #}
5、完成之後執行如下命令發現多路徑:
[root@RKDB01 Server]# modprobe dm-multipath
[root@RKDB01 Server]# multipath -F
[root@RKDB01 Server]# multipath dm-multipath
[root@RKDB01 Server]# multipath dm-round-robin
[root@RKDB01 Server]# service multipathd restart
正在關閉multipathd 埠監控程序: [確定]
正在啟動守護進程multipathd: [確定]
[root@RKDB01 Server]# multipath -v2
[root@RKDB01 Server]# multipath -v2
[root@RKDB01 Server]# multipath -ll
mpath1 () dm-0 TOYOU,NetStor_iSUM510
[size=3.3T][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=2][ena bled]
\_ 1:0:0:0 sdb 8:16 [failed][ready]
\_ 1:0:1:0 sdc 8:32 [failed][ready]
[root@RKDB01 Server]#
6、重啟伺服器後,可以看到多路徑信息了:
[root@RKDB01 ~]# ll /dev/mapper/
總計 0
crw------- 1 root root 10, 60 11-05 22:35 control
brw-rw---- 1 root disk 253, 0 11-05 22:35 mpath1
brw-rw---- 1 root disk 253, 1 11-05 22:35 mpath2
[root@RKDB01 ~]# multipath -ll
mpath2 () dm-1 TOYOU,NetStor_iSUM510
[size=3.2T][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 1:0:0:1 sdc 8:32 [active][ready]
\_ 1:0:1:1 sde 8:64 [active][ready]
mpath1 () dm-0 TOYOU,NetStor_iSUM510
[size=20G][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 1:0:0:0 sdb 8:16 [active][ready]
\_ 1:0:1:0 sdd 8:48 [active][ready]
7、通過fdisk 看可以生成了DM-0/DM-1兩個盤,正是上面sdc/sde,sdb/sdd多路徑後出來的:
[root@RKDB01 ~]# fdisk -l
Disk /dev/sda: 299.4 GB, 299439751168 bytes
255 heads, 63 sectors/track, 36404 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 38 305203+ 83 Linux
/dev/sda2 39 13092 104856255 83 Linux
/dev/sda3 13093 19619 52428127+ 83 Linux
/dev/sda4 19620 36404 134825512+ 5 Extended
/dev/sda5 19620 26146 52428096 83 Linux
/dev/sda6 26147 28757 20972826 83 Linux
/dev/sda7 28758 30324 12586896 82 Linux swap / Solaris
/dev/sda8 30325 36404 48837568+ 83 Linux
Disk /dev/sdb: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn『t contain a valid partition table
Disk /dev/sdc: 3568.4 GB, 3568429957120 bytes
255 heads, 63 sectors/track, 433836 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdc doesn』t contain a valid partition table
Disk /dev/sdd: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdd doesn『t contain a valid partition table
Disk /dev/sde: 3568.4 GB, 3568429957120 bytes
255 heads, 63 sectors/track, 433836 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sde doesn』t contain a valid partition table
Disk /dev/dm-0: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-0 doesn『t contain a valid partition table
Disk /dev/dm-1: 3568.4 GB, 3568429957120 bytes
255 heads, 63 sectors/track, 433836 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-1 doesn』t contain a valid partition table
Disk /dev/sdf: 4009 MB, 4009754624 bytes
255 heads, 63 sectors/track, 487 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdf4 * 1 488 3915744+ b W95 FAT32
Partition 4 has different physical/logical endings:
phys=(486, 254, 63) logical=(487, 125, 22)
[root@RKDB01 ~]#
8、同時也可以在/dev/mapper目錄中查看到多路徑映射的信息:
[root@RKDB01 ~]# ll /dev/mapper/
總計 0
crw------- 1 root root 10, 60 11-06 00:49 control
brw-rw---- 1 root disk 253, 2 11-06 00:49 data-data001
brw-rw---- 1 root disk 253, 0 11-06 00:49 mpath1
brw-rw---- 1 root disk 253, 1 11-06 00:49 mpath2

❷ Linux網卡配置文件路徑是什麼

都放在/etc目錄下。但具體位置不同。IP,網關記錄在/etc/sysconfig/network-scripts下的ifcfg-eth0這個文件里。
DNS記錄在/etc下的resolv.conf這個文件里。
域名在/etc下的named.conf這里 昨天希賽老師也是這樣說的

❸ 如何設置linux當中的程序路徑

假如你的程序路徑為/your/path

用下面命令假如PATH中,就可以在任何地方執行了,不過這只是臨時的,終端關閉就沒了:

$exportPATH=/your/path:$PATH

❹ linux php配置文件在哪

1、找到linux php配置文件具體的的方法首先是可以打開終端輸入find命令即可顯示出php配置文件的路徑:

❺ Linux多路徑配置

如果使用了多路徑方案,可以直接使用multipath綁定設備名不需要用到asmlib或UDEV請直接參考文檔:Configuringnon-(11.1.0,11.2.0)onRHEL5/OL5[ID605828.1][root@vrh1~]#foriin`cat/proc/partitions|awk'{print$4}'|grepsd|grep[a-z]$`;doecho"###$i:`scsi_id-g-u-s/block/$i`";done###sda:SATA_VBOX_HARDDISK_VB83d4445f-b8790695_###sdb:SATA_VBOX_HARDDISK_VB0db2f233-269850e0_###sdc:SATA_VBOX_HARDDISK_VBa56f2571-0dd27b33_###sdd:SATA_VBOX_HARDDISK_VBf6b74ff7-871d1de8_###sde:SATA_VBOX_HARDDISK_VB5a531910-25f4eb9a_###sdf:SATA_VBOX_HARDDISK_VB4915e6e3-737b312e_###sdg:SATA_VBOX_HARDDISK_VB512c8f75-37f4a0e9_###sdh:SATA_VBOX_HARDDISK_VBc0115ef6-a48bc15d_###sdi:SATA_VBOX_HARDDISK_VB3a556907-2b72391d_###sdj:SATA_VBOX_HARDDISK_VB7ec8476c-08641bd4_###sdk:SATA_VBOX_HARDDISK_VB743e1567-d0009678_[root@vrh1~]#grep-v^#/etc/multipath.confdefaults{user_friendly_namesyes}defaults{udev_dir/devpolling_interval10selector"round-robin0"path_grouping_policyfailovergetuid_callout"/sbin/scsi_id-g-u-s/block/%n"prio_callout/bin/truepath_checkerreadsector0rr_min_io100rr_#no_path_retryfailuser_friendly_nameyes}devnode_blacklist{devnode"^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"devnode"^hd[a-z]"devnode"^cciss!c[0-9]d[0-9]*"}multipaths{multipath{wwidSATA_VBOX_HARDDISK_VB0db2f233-269850e0_aliasvoting1path_grouping_policyfailover}multipath{wwidSATA_VBOX_HARDDISK_VBa56f2571-0dd27b33_aliasvoting2path_grouping_policyfailover}multipath{wwidSATA_VBOX_HARDDISK_VBf6b74ff7-871d1de8_aliasvoting3path_grouping_policyfailover}multipath{wwidSATA_VBOX_HARDDISK_VB5a531910-25f4eb9a_aliasocr1path_grouping_policyfailover}multipath{wwidSATA_VBOX_HARDDISK_VB4915e6e3-737b312e_aliasocr2path_grouping_policyfailover}multipath{wwidSATA_VBOX_HARDDISK_VB512c8f75-37f4a0e9_aliasocr3path_grouping_policyfailover}}[root@vrh1~]#multipath[root@vrh1~]#multipath-llmpath2(SATA_VBOX_HARDDISK_VB3a556907-2b72391d_)dm-9ATA,VBOXHARDDISKsize=5.0Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-8:0:0:0sdi8:128activereadyrunningmpath1(SATA_VBOX_HARDDISK_VBc0115ef6-a48bc15d_)dm-8ATA,VBOXHARDDISKsize=5.0Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-7:0:0:0sdh8:112activereadyrunningocr3(SATA_VBOX_HARDDISK_VB512c8f75-37f4a0e9_)dm-7ATA,VBOXHARDDISKsize=5.0Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-6:0:0:0sdg8:96activereadyrunningocr2(SATA_VBOX_HARDDISK_VB4915e6e3-737b312e_)dm-6ATA,VBOXHARDDISKsize=5.0Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-5:0:0:0sdf8:80activereadyrunningocr1(SATA_VBOX_HARDDISK_VB5a531910-25f4eb9a_)dm-5ATA,VBOXHARDDISKsize=5.0Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-4:0:0:0sde8:64activereadyrunningvoting3(SATA_VBOX_HARDDISK_VBf6b74ff7-871d1de8_)dm-4ATA,VBOXHARDDISKsize=40Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-3:0:0:0sdd8:48activereadyrunningvoting2(SATA_VBOX_HARDDISK_VBa56f2571-0dd27b33_)dm-3ATA,VBOXHARDDISKsize=40Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-2:0:0:0sdc8:32activereadyrunningvoting1(SATA_VBOX_HARDDISK_VB0db2f233-269850e0_)dm-2ATA,VBOXHARDDISKsize=40Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-1:0:0:0sdb8:16activereadyrunningmpath4(SATA_VBOX_HARDDISK_VB743e1567-d0009678_)dm-11ATA,VBOXHARDDISKsize=5.0Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-10:0:0:0sdk8:160activereadyrunningmpath3(SATA_VBOX_HARDDISK_VB7ec8476c-08641bd4_)dm-10ATA,VBOXHARDDISKsize=5.0Gfeatures='0'hwhandler='0'wp=rw`-+-policy='round-robin0'prio=1status=active`-9:0:0:0sdj8:144activereadyrunning[root@vrh1~]#dmsetupls|sortmpath1(253,8)mpath2(253,9)mpath3(253,10)mpath4(253,11)ocr1(253,5)ocr2(253,6)ocr3(253,7)VolGroup00-LogVol00(253,0)VolGroup00-LogVol01(253,1)voting1(253,2)voting2(253,3)voting3(253,4)[root@vrh1~]#ls-l/dev/mapper/*crw-------1rootroot10,62Oct1709:58/dev/mapper/controlbrw-rw----1rootdisk253,8Oct1900:11/dev/mapper/mpath1brw-rw----1rootdisk253,9Oct1900:11/dev/mapper/mpath2brw-rw----1rootdisk253,10Oct1900:11/dev/mapper/mpath3brw-rw----1rootdisk253,11Oct1900:11/dev/mapper/mpath4brw-rw----1rootdisk253,5Oct1900:11/dev/mapper/ocr1brw-rw----1rootdisk253,6Oct1900:11/dev/mapper/ocr2brw-rw----1rootdisk253,7Oct1900:11/dev/mapper/ocr3brw-rw----1rootdisk253,0Oct1709:58/dev/mapper/VolGroup00-LogVol00brw-rw----1rootdisk253,1Oct1709:58/dev/mapper/VolGroup00-LogVol01brw-rw----1rootdisk253,2Oct1900:11/dev/mapper/voting1brw-rw----1rootdisk253,3Oct1900:11/dev/mapper/voting2brw-rw----1rootdisk253,4Oct1900:11/dev/mapper/voting3[root@vrh1~]#ls-l/dev/dm*brw-rw----1rootroot253,0Oct1709:58/dev/dm-0brw-rw----1rootroot253,1Oct1709:58/dev/dm-1brw-rw----1rootroot253,10Oct1900:11/dev/dm-10brw-rw----1rootroot253,11Oct1900:11/dev/dm-11brw-rw----1rootroot253,2Oct1900:11/dev/dm-2brw-rw----1rootroot253,3Oct1900:11/dev/dm-3brw-rw----1rootroot253,4Oct1900:11/dev/dm-4brw-rw----1rootroot253,5Oct1900:11/dev/dm-5brw-rw----1rootroot253,6Oct1900:11/dev/dm-6brw-rw----1rootroot253,7Oct1900:11/dev/dm-7brw-rw----1rootroot253,8Oct1900:11/dev/dm-8brw-rw----1rootroot253,9Oct1900:11/dev/dm-9[root@vrh1~]#ls-l/dev/disk/by-id/:58scsi-SATA_VBOX_HARDDISK_VB0db2f233-269850e0->../../asm-:58scsi-SATA_VBOX_HARDDISK_VB3a556907-2b72391d->../../asm-:58scsi-SATA_VBOX_HARDDISK_VB4915e6e3-737b312e->../../asm-:58scsi-SATA_VBOX_HARDDISK_VB512c8f75-37f4a0e9->../../asm-:58scsi-SATA_VBOX_HARDDISK_VB5a531910-25f4eb9a->../../asm-:58scsi-SATA_VBOX_HARDDISK_VB743e1567-d0009678->../../asm-:58scsi-SATA_VBOX_HARDDISK_VB7ec8476c-08641bd4->../../asm-:58scsi-SATA_VBOX_HARDDISK_VB83d4445f-b8790695->../../:58scsi-SATA_VBOX_HARDDISK_VB83d4445f-b8790695-part1->../../:58scsi-SATA_VBOX_HARDDISK_VB83d4445f-b8790695-part2->../../:58scsi-SATA_VBOX_HARDDISK_VBa56f2571-0dd27b33->../../asm-:58scsi-SATA_VBOX_HARDDISK_VBc0115ef6-a48bc15d->../../asm-:58scsi-SATA_VBOX_HARDDISK_VBf6b74ff7-871d1de8->../../asm-diskdReportAbuseLike(0)2.Re:asm磁碟使用鏈路聚合設備名,IO性能只有非聚合設備的1/6!LiuMaclean(劉相兵)ExpertLiuMaclean(劉相兵)Jul21,201311:09AM(inresponseto13628)step1:[oracle@vrh8mapper]$cat/etc/multipath.confmultipaths{multipath{wwidSATA_VBOX_HARDDISK_VBf6b74ff7-871d1de8_aliasasm-disk1mode660uid501gid503}multipath{wwidSATA_VBOX_HARDDISK_VB0db2f233-269850e0_aliasasm-disk2mode660uid501gid503}multipath{wwidSATA_VBOX_HARDDISK_VBa56f2571-0dd27b33_aliasasm-disk3mode660uid501gid503}}第二步:第三步:[oracle@vrh8mapper]$ls-l/dev/mapper/asm-disk*brw-rw----1gridasmadmin253,4Jul2107:02/dev/mapper/asm-disk1brw-rw----1gridasmadmin253,2Jul2107:02/dev/mapper/asm-disk2brw-rw----1gridasmadmin253,3Jul2107:02/dev/mapper/asm-disk3

❻ linux怎樣設置快捷路徑

如果路徑是固定的,那麼可以使用系統變數,在.bash_profile里加一個變數,如tod=/opt/abc
則,使用命令 cd $tod 可以進入指定目錄,
當然定義一個別名命令也是可以的
不過這個簡化操作基本沒意義,linux里輸入路徑是很快的,輸入首字母再按tab鍵就好了

❼ 如何在linux添加路徑到PATH環境變數中

1.
全局的對所有用戶都可以的使用的PATH:
可以通過修改配置文件:
/etc/bashrc

/etc/profile
來時配置,全局的PATH;
例如:
vi
/etc/profile
在最後後加一行:PATH=THE_SET_GLOBLE_ENV_PATH:$PATH;
接著換行:
export
PATH
如果使其立即生效:
source
/etc/profile
2.
對於普通用戶也可以設置,自己的路徑:在自己的home目錄中:
ls
-a
|
grep
bash
會找到兩個文件:
.bashrc

.bash_profile
同樣可以像修改
/etc/profile一樣,修改
.bash_profile
來配置你的個性PATH
環境。
同樣修改後,若不重啟,就使其立即生效的話,不要忘了
source
.bash_profile.
呵呵,最看看的你的修改後的PATH:
echo
$PATH
或者
env
再者
set
!!

❽ linux路徑只能放在什麼地方

根據需求在適當用戶的.bash_profile文件裡面配置路徑。
1、linux是多操作用戶、多進程的操作系統環境,不同用戶環境不同;
2、/etc/profile:此文件為系統的每個用戶設置環境信息,當用戶第一次登錄時,該文件被執行.
並從/etc/profile.d目錄的配置文件中搜集shell的設置.
~/.bash_profile:每個用戶都可使用該文件輸入專用於自己使用的shell信息,當用戶登錄時,該
文件僅僅執行一次!默認情況下,它設置一些環境變數,執行用戶的.bashrc文件.
~/.bashrc:該文件包含專用於用戶的bash信息,當登錄時以及每次打開新的shell時,該
該文件被讀取.

❾ 如何正確設置Linux路徑顯示

PS1:提示符的設置

PS1(是數字1而不是字母l),每個版本bash的PS1變數內的特殊符號可能有些小的差異,你可以先man bash 一下。下面是FC4環境下默認的特殊符號所代表的意義:

\d :代表日期,格式為weekday month date,例如:"Mon Aug 1"

\H :完整的主機名稱。例如:我的機器名稱為:fc4.linux,則這個名稱就是fc4.linux

\h :僅取主機的第一個名字,如上例,則為fc4,.linux則被省略

\t :顯示時間為24小時格式,如:HH:MM:SS

\T :顯示時間為12小時格式

\A :顯示時間為24小時格式:HH:MM

\u :當前用戶的賬號名稱

\v :BASH的版本信息

\w :完整的工作目錄名稱。家目錄會以 ~代替

\W :利用basename取得工作目錄名稱,所以只會列出最後一個目錄

\# :下達的第幾個命令

\$ :提示字元,如果是root時,提示符為:# ,普通用戶則為:$

默認的PS1內容為: '\[\u@\h\W\]\$' ,所以默認的提示符就是: [root@linux ~]#。 -返回比特網首頁>>

❿ linux下如何設置命令的默認路徑

在用戶的 .bash_profile文件(點號開頭的文件是隱藏文件)中加入a.out文件所在路徑(必須是絕對路徑形式),與已定義的路徑之間用冒號隔開。

假設此路徑為/home/username,那麼在~/.bash_profile文件中確保加入如下語句:

PATH=$PATH:/home/username
exportPATH

保存並重新登入(login)就會生效的。

此後直接輸入a.out即可,系統會自動到環境變數PATH路徑下依次去找的。

熱點內容
婚紗攝影腳本 發布:2024-03-29 01:47:40 瀏覽:899
我的世界伺服器咋開外掛 發布:2024-03-29 01:07:45 瀏覽:455
sql寫報表 發布:2024-03-29 01:03:23 瀏覽:305
家用伺服器怎麼選 發布:2024-03-29 00:49:18 瀏覽:401
Ap6510dn如何配置 發布:2024-03-29 00:38:47 瀏覽:333
安卓和蘋果哪個更佔用內存 發布:2024-03-29 00:37:02 瀏覽:424
編譯錯誤算bug嗎 發布:2024-03-29 00:23:03 瀏覽:34
c語言干什麼 發布:2024-03-29 00:05:35 瀏覽:314
香港中轉伺服器搭建 發布:2024-03-29 00:05:16 瀏覽:673
安卓手機怎麼在桌面上顯示鍾表 發布:2024-03-28 23:48:22 瀏覽:5