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Dell ãã¹ãã«ã¯ 4 ããŒãã®ãããã¯ãŒã¯ ã«ãŒããçµã¿èŸŒãŸããŠãããããç©çãããã¯ãŒã¯ ããŒããè«çã€ã³ã¿ãŒãã§ã€ã¹ã«ã°ã«ãŒãåããLACP (2960åºåïŒãããã³ã«ïŒ
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- ãã¹ãäžã® 2960 çªç®ã® XNUMX ã€ã®ããŒãããã³ãã£ã³ã° ã¢ãŒãã§æ§æãããXNUMXX ã«æ¥ç¶ãããŸããoVirt ã䜿çšãããã®è«çã€ã³ã¿ãŒãã§ã€ã¹ã§ã¯ãä»®æ³ãã·ã³ãæ¥ç¶ããããªããžãåŸã§ (察å¿ãã VLAN å ã«) äœæãããŸãã
- åãè«çã€ã³ã¿ãŒãã§ã€ã¹å ã®äž¡æ¹ã®ãããã¯ãŒã¯ ããŒããã¢ã¯ãã£ãã«ãªããŸããã€ãŸãã ãããã®ãã©ãã£ãã¯ã¯ããã©ã³ã·ã³ã° ã¢ãŒãã§åæã«éä¿¡ã§ããŸãã
- ã¯ã©ã¹ã¿ãŒ ããŒãã®ãããã¯ãŒã¯èšå®ã¯ãIP ã¢ãã¬ã¹ãé€ãããŸã£ããåãã§ããå¿ èŠããããŸãã
åºæ¬çãªã¹ã€ããã¹ã¿ãã¯ã®ã»ããã¢ãã 2960X ãšãã®ããŒã
以åã¯ãã¹ã€ããã¯æ¬¡ã®ããã«ãªã£ãŠããå¿ èŠããããŸããã
- ã©ãã¯ããŠã³ãã
- å¿ èŠãªé·ãã® 1 æ¬ã®ç¹å¥ãªã±ãŒãã« (CAB-STK-E-XNUMXM ãªã©) ã§æ¥ç¶ããŸãã
- é»æºã«æ¥ç¶ãããŠããã
- åæèšå®ã®ããã«ã³ã³ãœãŒã« ããŒãçµç±ã§ç®¡çè ã®ã¯ãŒã¯ã¹ããŒã·ã§ã³ã«æ¥ç¶ãããŸãã
ããã«å¿
èŠãªã¬ã€ãã³ã¹ã¯ã次ã®å Žæã§å
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èŠã«å¿ããŠããã¹ãŠã®æ
å ±ãåå¥ã«èŠã€ããããšãã§ããŸãã
ç§ãã¡ã®ç®æšã¯ãã¹ã€ãã ã¹ã¿ãã¯ãè¿
éã«ã»ããã¢ãããããã¹ããšã¹ãã¬ãŒãžç®¡çã€ã³ã¿ãŒãã§ã€ã¹ãã¹ã€ãã ã¹ã¿ãã¯ã«æ¥ç¶ããããšã§ãã
1) ãã¹ã¿ãŒã¹ã€ããã«æ¥ç¶ããç¹æš©ã¢ãŒãã«ç§»è¡ãã次ã«æ§æã¢ãŒãã«ç§»è¡ããŠåºæ¬èšå®ãè¡ããŸãã
åºæ¬çãªã¹ã€ããæ§æ:
enable
configure terminal
hostname 2960X
no service pad
service timestamps debug datetime msec
service timestamps log datetime localtime show-timezone msec
no service password-encryption
service sequence-numbers
switch 1 priority 15
switch 2 priority 14
stack-mac persistent timer 0
clock timezone MSK 3
vtp mode transparent
ip subnet-zero
vlan 17
name Management
vlan 32
name PROD
vlan 33
name Interconnect
vlan 34
name Test
vlan 35
name Dev
vlan 40
name Monitoring
spanning-tree mode rapid-pvst
spanning-tree etherchannel guard misconfig
spanning-tree portfast bpduguard default
spanning-tree extend system-id
spanning-tree vlan 1-40 root primary
spanning-tree loopguard default
vlan internal allocation policy ascending
port-channel load-balance src-dst-ip
errdisable recovery cause loopback
errdisable recovery cause bpduguard
errdisable recovery interval 60
line con 0
session-timeout 60
exec-timeout 60 0
logging synchronous
line vty 5 15
session-timeout 60
exec-timeout 60 0
logging synchronous
ip http server
ip http secure-server
no vstack
interface Vlan1
no ip address
shutdown
exit
ã³ãã³ãããã§èšå®ãä¿åããŸããããŒããç§" ãããŠã³ãã³ã" ã§ã¹ã€ããã¹ã¿ãã¯ãåèµ·åããŸãããªããŒã» ãã¹ã¿ãŒã¹ã€ãã1.
2) ã¹ã€ããã®ãããã¯ãŒã¯ ããŒãã VLAN 17 ã®ã¢ã¯ã»ã¹ ã¢ãŒã (ã¢ã¯ã»ã¹) ã«èšå®ããã¹ãã¬ãŒãž ã·ã¹ãã ãš iDRAC ãµãŒããŒã®å¶åŸ¡ã€ã³ã¿ãŒãã§ã€ã¹ãæ¥ç¶ããŸãã
管çããŒãã®æ§æ:
interface GigabitEthernet1/0/5
description iDRAC - host1
switchport access vlan 17
switchport mode access
spanning-tree portfast edge
interface GigabitEthernet1/0/6
description Storage1 - Cntr0/Eth0
switchport access vlan 17
switchport mode access
spanning-tree portfast edge
interface GigabitEthernet2/0/5
description iDRAC - host2
switchport access vlan 17
switchport mode access
spanning-tree portfast edge
interface GigabitEthernet2/0/6
description Storage1 â Cntr1/Eth0
switchport access vlan 17
switchport mode access
spanning-tree portfast edge
exit
3) ã¹ã¿ãã¯ããªããŒãããåŸãã¹ã¿ãã¯ãæ£ããåäœããããšã確èªããŸãã
ã¹ã¿ãã¯ã®æ©èœã確èªããŸãã
2960X#show switch stack-ring speed
Stack Ring Speed : 20G
Stack Ring Configuration: Full
Stack Ring Protocol : FlexStack
2960X#show switch stack-ports
Switch # Port 1 Port 2
-------- ------ ------
1 Ok Ok
2 Ok Ok
2960X#show switch neighbors
Switch # Port 1 Port 2
-------- ------ ------
1 2 2
2 1 1
2960X#show switch detail
Switch/Stack Mac Address : 0cd0.f8e4.ХХХХ
Mac persistency wait time: Indefinite
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
*1 Master 0cd0.f8e4.ХХХХ 15 4 Ready
2 Member 0029.c251.ХХХХ 14 4 Ready
Stack Port Status Neighbors
Switch# Port 1 Port 2 Port 1 Port 2
--------------------------------------------------------
1 Ok Ok 2 2
2 Ok Ok 1 1
4) 2960X ã¹ã¿ãã¯ãžã® SSH ã¢ã¯ã»ã¹ã®ã»ããã¢ãã
SSH çµç±ã§ã¹ã¿ãã¯ããªã¢ãŒã管çããã«ã¯ãSVI (ã¹ã€ããä»®æ³ã€ã³ã¿ãŒãã§ã€ã¹) ã§æ§æããã IP 172.20.1.10 ã䜿çšããŸãã VLAN17.
管çç®çã«ã¯ã¹ã€ããäžã®å°çšã®å°çšããŒãã䜿çšããããšãæãŸããã§ãããããã¯å人ã®å¥œã¿ãšæ©äŒã®åé¡ã§ãã
ã¹ã€ãã ã¹ã¿ãã¯ãžã® SSH ã¢ã¯ã»ã¹ãèšå®ããŸãã
ip default-gateway 172.20.1.2
interface vlan 17
ip address 172.20.1.10 255.255.255.0
hostname 2960X
ip domain-name hw.home-lab.ru
no ip domain-lookup
clock set 12:47:04 06 Dec 2019
crypto key generate rsa
ip ssh version 2
ip ssh time-out 90
line vty 0 4
session-timeout 60
exec-timeout 60 0
privilege level 15
logging synchronous
transport input ssh
line vty 5 15
session-timeout 60
exec-timeout 60 0
privilege level 15
logging synchronous
transport input ssh
aaa new-model
aaa authentication login default local
username cisco privilege 15 secret my_ssh_password
ç¹æš©ã¢ãŒãã«å ¥ããã¹ã¯ãŒããèšå®ããŸãã
enable secret *myenablepassword*
service password-encryption
NTP ãèšå®ããŸãã
ntp server 85.21.78.8 prefer
ntp server 89.221.207.113
ntp server 185.22.60.71
ntp server 192.36.143.130
ntp server 185.209.85.222
show ntp status
show ntp associations
show clock detail
5) è«ç EtherChannel ã€ã³ã¿ãŒãã§ã€ã¹ãšãã¹ãã«æ¥ç¶ãããç©çããŒããèšå®ããŸãã æ§æã容æã«ããããã«ã䜿çšå¯èœãªãã¹ãŠã® VLAN ããã¹ãŠã®è«çã€ã³ã¿ãŒãã§ã€ã¹ã§èš±å¯ãããŸãããéåžžã¯å¿ èŠãªãã®ã®ã¿ãæ§æããããšããå§ãããŸãã
EtherChannel ã€ã³ã¿ãŒãã§ã€ã¹ã®æ§æ:
interface Port-channel1
description EtherChannel with Host1-management
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
spanning-tree portfast edge trunk
interface Port-channel2
description EtherChannel with Host2-management
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
spanning-tree portfast edge trunk
interface Port-channel3
description EtherChannel with Host1-VM
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
spanning-tree portfast edge trunk
interface Port-channel4
description EtherChannel with Host2-VM
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
spanning-tree portfast edge trunk
interface GigabitEthernet1/0/1
description Host1-management
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
channel-protocol lacp
channel-group 1 mode active
interface GigabitEthernet1/0/2
description Host2-management
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
channel-protocol lacp
channel-group 2 mode active
interface GigabitEthernet1/0/3
description Host1-VM
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
channel-protocol lacp
channel-group 3 mode active
interface GigabitEthernet1/0/4
description Host2-VM
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
channel-protocol lacp
channel-group 4 mode active
interface GigabitEthernet2/0/1
description Host1-management
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
channel-protocol lacp
channel-group 1 mode active
interface GigabitEthernet2/0/2
description Host2-management
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
channel-protocol lacp
channel-group 2 mode active
interface GigabitEthernet2/0/3
description Host1-VM
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
channel-protocol lacp
channel-group 3 mode active
interface GigabitEthernet2/0/4
description Host2-VM
switchport trunk allowed vlan 10,17,30-40
switchport mode trunk
channel-protocol lacp
channel-group 4 mode active
ãã¹ãäžã®ä»®æ³ãã·ã³ã®ãããã¯ãŒã¯ ã€ã³ã¿ãŒãã§ã€ã¹ã®åææ§æ ãã¹ã1 О ãã¹ã2
ã·ã¹ãã å ã®ãã³ãã£ã³ã°ã®æäœã«å¿ èŠãªã¢ãžã¥ãŒã«ã®ååšã確èªããããªããžã管çããããã®ã¢ãžã¥ãŒã«ãã€ã³ã¹ããŒã«ããŸãã
modinfo bonding
modinfo 8021q
yum install bridge-utils
ä»®æ³ãã·ã³ã® BOND1 è«çã€ã³ã¿ãŒãã§ã€ã¹ãšãã¹ãäžã®ãã®ç©çã€ã³ã¿ãŒãã§ã€ã¹ã®æ§æ:
cat /etc/sysconfig/network-scripts/ifcfg-bond1
#DESCRIPTION - management
DEVICE=bond1
NAME=bond1
TYPE=Bond
IPV6INIT=no
ONBOOT=yes
USERCTL=no
NM_CONTROLLED=no
BOOTPROTO=none
BONDING_OPTS='mode=4 lacp_rate=1 xmit_hash_policy=2'
cat /etc/sysconfig/network-scripts/ifcfg-em2
#DESCRIPTION - management
DEVICE=em2
TYPE=Ethernet
BOOTPROTO=none
ONBOOT=yes
MASTER=bond1
SLAVE=yes
USERCTL=no
NM_CONTROLLED=no
cat /etc/sysconfig/network-scripts/ifcfg-em3
#DESCRIPTION - management
DEVICE=em3
TYPE=Ethernet
BOOTPROTO=none
ONBOOT=yes
MASTER=bond1
SLAVE=yes
USERCTL=no
NM_CONTROLLED=no
ã¹ã¿ãã¯ã®èšå®ãå®äºããã 2960X ããã³ãã¹ãã®ãããã¯ãŒã¯ãåèµ·åããè«çã€ã³ã¿ãŒãã§ãŒã¹ã®åäœæ§ã確èªããŸãã
- ãã¹ãäž:
systemctl restart network
cat /proc/net/bonding/bond1
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
Bonding Mode: IEEE 802.3ad Dynamic link aggregation
Transmit Hash Policy: layer2+3 (2)
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
...
802.3ad info
LACP rate: fast
Min links: 0
Aggregator selection policy (ad_select): stable
System priority: 65535
...
Slave Interface: em2
MII Status: up
Speed: 1000 Mbps
Duplex: full
...
Slave Interface: em3
MII Status: up
Speed: 1000 Mbps
Duplex: full
- ã¹ã€ããã¹ã¿ãã¯äžã§ 2960X:
2960X#show lacp internal
Flags: S - Device is requesting Slow LACPDUs
F - Device is requesting Fast LACPDUs
A - Device is in Active mode P - Device is in Passive mode
Channel group 1
LACP port Admin Oper Port Port
Port Flags State Priority Key Key Number State
Gi1/0/1 SA bndl 32768 0x1 0x1 0x102 0x3D
Gi2/0/1 SA bndl 32768 0x1 0x1 0x202 0x3D
2960X#sh etherchannel summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use N - not in use, no aggregation
f - failed to allocate aggregator
M - not in use, minimum links not met
m - not in use, port not aggregated due to minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
d - default port
A - formed by Auto LAG
Number of channel-groups in use: 11
Number of aggregators: 11
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(SU) LACP Gi1/0/1(P) Gi2/0/1(P)
ãã¹ãäžã®ã¯ã©ã¹ã¿ãŒ ãªãœãŒã¹ã管çããããã®ãããã¯ãŒã¯ ã€ã³ã¿ãŒãã§ã€ã¹ã®åææ§æ ãã¹ã1 О ãã¹ã2
ãã¹ãäžã§ã®ç®¡ççšã® BOND1 è«çã€ã³ã¿ãŒãã§ã€ã¹ãšãã®ç©çã€ã³ã¿ãŒãã§ã€ã¹ã®æ§æ:
cat /etc/sysconfig/network-scripts/ifcfg-bond0
#DESCRIPTION - management
DEVICE=bond0
NAME=bond0
TYPE=Bond
BONDING_MASTER=yes
IPV6INIT=no
ONBOOT=yes
USERCTL=no
NM_CONTROLLED=no
BOOTPROTO=none
BONDING_OPTS='mode=4 lacp_rate=1 xmit_hash_policy=2'
cat /etc/sysconfig/network-scripts/ifcfg-em0
#DESCRIPTION - management
DEVICE=em0
TYPE=Ethernet
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
NM_CONTROLLED=no
cat /etc/sysconfig/network-scripts/ifcfg-em1
#DESCRIPTION - management
DEVICE=em1
TYPE=Ethernet
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
NM_CONTROLLED=no
ã¹ã¿ãã¯ã®èšå®ãå®äºããã 2960X ããã³ãã¹ãã®ãããã¯ãŒã¯ãåèµ·åããè«çã€ã³ã¿ãŒãã§ãŒã¹ã®åäœæ§ã確èªããŸãã
systemctl restart network
cat /proc/net/bonding/bond1
2960X#show lacp internal
2960X#sh etherchannel summary
åãã¹ãã§ç®¡çãããã¯ãŒã¯ ã€ã³ã¿ãŒãã§ã€ã¹ãã»ããã¢ããããŸãã VLAN 17ãäœæãããããè«çã€ã³ã¿ãŒãã§ã€ã¹ BOND1 ã«ãã€ã³ãããŸãã
Host17 ã§ã® VLAN1 ã®æ§æ:
cat /etc/sysconfig/network-scripts/ifcfg-bond1.17
DEVICE=bond1.17
NAME=bond1-vlan17
BOOTPROTO=none
ONBOOT=yes
USERCTL=no
NM_CONTROLLED=no
VLAN=yes
MTU=1500
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
IPADDR=172.20.17.163
NETMASK=255.255.255.0
GATEWAY=172.20.17.2
DEFROUTE=yes
DNS1=172.20.17.8
DNS2=172.20.17.9
ZONE=public
Host17 ã§ã® VLAN2 ã®æ§æ:
cat /etc/sysconfig/network-scripts/ifcfg-bond1.17
DEVICE=bond1.17
NAME=bond1-vlan17
BOOTPROTO=none
ONBOOT=yes
USERCTL=no
NM_CONTROLLED=no
VLAN=yes
MTU=1500
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
IPADDR=172.20.17.164
NETMASK=255.255.255.0
GATEWAY=172.20.17.2
DEFROUTE=yes
DNS1=172.20.17.8
DNS2=172.20.17.9
ZONE=public
ãã¹ãäžã§ãããã¯ãŒã¯ãåèµ·åããçžäºã®å¯èŠæ§ã確èªããŸãã
ãã㧠Cisco 2960X ã¹ã€ãã ã¹ã¿ãã¯ã®èšå®ãå®äºããŸããããã¹ãŠãæ£ããè¡ãããŠããã°ããã¹ãŠã®ã€ã³ãã©ã¹ãã©ã¯ãã£èŠçŽ ã L2 ã¬ãã«ã§çžäºã«ãããã¯ãŒã¯æ¥ç¶ã§ããããã«ãªããŸãã
Dell MD3820f ã¹ãã¬ãŒãžã®ã»ããã¢ãã
ã¹ãã¬ãŒãž ã·ã¹ãã ã®æ§æäœæ¥ãéå§ããåã«ãã¹ãã¬ãŒãž ã·ã¹ãã ã Cisco ã¹ã€ãã ã¹ã¿ãã¯ã«æ¥ç¶ãããŠããå¿ èŠããããŸãã 2960X 管çã€ã³ã¿ãŒãã§ã€ã¹ããã³ãã¹ããž ãã¹ã1 О ãã¹ã2 FCçµç±ã§ã
ã¹ãã¬ãŒãž ã·ã¹ãã ãã¹ã€ãã ã¹ã¿ãã¯ã«æ¥ç¶ããæ¹æ³ã®äžè¬çãªã¹ããŒã ã¯ãåã®ç« ã§èª¬æããŸããã
FC çµç±ã§ã¹ãã¬ãŒãžããã¹ãã«æ¥ç¶ããã¹ããŒã ã¯æ¬¡ã®ããã«ãªããŸãã
æ¥ç¶äžã«ãã¹ãã¬ãŒãž ã·ã¹ãã ã® FC ããŒãã«æ¥ç¶ãããŠãã FC HBA ãã¹ãã® WWPN ã¢ãã¬ã¹ãæžãçããå¿ èŠããããŸããããã¯ãã¹ãã¬ãŒãž ã·ã¹ãã äžã® LUN ã«ãã€ã³ããããã¹ãã®ãã®åŸã®æ§æã«å¿ èŠã«ãªããŸãã
Dell MD3820f ã¹ãã¬ãŒãžç®¡çãŠãŒãã£ãªãã£ã管çè
ã¯ãŒã¯ã¹ããŒã·ã§ã³ã«ããŠã³ããŒãããŠã€ã³ã¹ããŒã«ããŸã - PowerVault Modular Disk Storage Manager (MDSM).
圌女ã®ããã©ã«ãã® IP ã¢ãã¬ã¹ãä»ããŠåœŒå¥³ã«æ¥ç¶ãã次ããã¢ãã¬ã¹ãèšå®ããŸãã VLAN17ãTCP/IP çµç±ã§ã³ã³ãããŒã©ãŒã管çããã«ã¯:
Storage1:
ControllerA IP - 172.20.1.13, MASK - 255.255.255.0, Gateway - 172.20.1.2
ControllerB IP - 172.20.1.14, MASK - 255.255.255.0, Gateway - 172.20.1.2
ã¢ãã¬ã¹ãèšå®ããåŸãã¹ãã¬ãŒãžç®¡çã€ã³ã¿ãŒãã§ã€ã¹ã«ç§»åãããã¹ã¯ãŒãã®èšå®ãæå»ã®èšå®ãå¿
èŠã«å¿ããŠã³ã³ãããŒã©ãŒãšãã£ã¹ã¯ã®ãã¡ãŒã ãŠã§ã¢ã®æŽæ°ãªã©ãè¡ããŸãã
ãããã©ã®ããã«è¡ããããã«ã€ããŠã¯ã
äžèšã®èšå®ãè¡ã£ãåŸã¯ãããã€ãã®ããšãè¡ãã ãã§ãã
- ãã¹ã FC ããŒã ID ãæ§æãã - ãã¹ãããŒãèå¥å.
- ãã¹ãã°ã«ãŒããäœæããŸã- ãã¹ãã°ã«ãŒã ããã« XNUMX ã€ã® Dell ãã¹ããè¿œå ããŸãã
- ãã¹ãã«æäŸããããã£ã¹ã¯ ã°ã«ãŒããšãã®äžã«ä»®æ³ãã£ã¹ã¯ (ãŸã㯠LUN) ãäœæããŸãã
- ãã¹ãã®ä»®æ³ãã£ã¹ã¯ (ãŸã㯠LUN) ã®ãã¬ãŒã³ããŒã·ã§ã³ãæ§æããŸãã
æ°ãããã¹ãã®è¿œå ãšãã¹ã FC ããŒãã®èå¥åã®ãã€ã³ãã¯ãã¡ãã¥ãŒããå®è¡ããŸãã ãã¹ããããã³ã° -> å®çŸ©ãã -> ãã¹ãâŠ
FC HBA ãã¹ãã® WWPN ã¢ãã¬ã¹ã¯ãããšãã°ãµãŒããŒã® iDRAC ã§èŠã€ããããšãã§ããŸãã
çµæãšããŠã次ã®å³ã®ãããªãã®ãåŸãããã¯ãã§ãã
æ°ãããã¹ã ã°ã«ãŒãã®è¿œå ãšãã¹ãã®ãã€ã³ãã¯ãã¡ãã¥ãŒããå®è¡ããŸãã ãã¹ããããã³ã° -> å®çŸ©ãã -> ãã¹ãã°ã«ãŒãâŠ
ãã¹ãã®å ŽåãOS ã®ã¿ã€ããéžæããŸã - Linux (DM-MP).
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ãããŠæåŸã®æçµæ®µéã¯ããã¹ãã«å¯Ÿããä»®æ³ãã£ã¹ã¯ (ãŸã㯠LUN) ã®ãã¬ãŒã³ããŒã·ã§ã³ã§ãã
ãããè¡ãã«ã¯ãã¡ãã¥ãŒãã - ãã¹ããããã³ã° -> Lunãããã³ã° -> è¿œå ... ä»®æ³ãã£ã¹ã¯ã«çªå·ãå²ãåœãŠãããšã§ãä»®æ³ãã£ã¹ã¯ããã¹ãã«ãã€ã³ãããŸãã
ãã¹ãŠã¯æ¬¡ã®ã¹ã¯ãªãŒã³ã·ã§ããã®ããã«ãªããŸãã
ããã§ã¹ãã¬ãŒãžã®ã»ããã¢ããã¯çµäºããŸãããã¹ãŠãæ£ããè¡ãããŠããã°ããã¹ã㯠FC HBA ãéããŠæäŸããã LUN ãèªèã§ããã¯ãã§ãã
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å ±ãã·ã¹ãã ã«åŒ·å¶çã«æŽæ°ãããŠã¿ãŸãããã
ls -la /sys/class/scsi_host/
echo "- - -" > /sys/class/scsi_host/host[0-9]/scan
ãµãŒããŒäžã§ã©ã®ãããªããã€ã¹ã衚瀺ãããããèŠãŠã¿ãŸãããã
cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 02 Id: 00 Lun: 00
Vendor: DELL Model: PERC H330 Mini Rev: 4.29
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi15 Channel: 00 Id: 00 Lun: 00
Vendor: DELL Model: MD38xxf Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi15 Channel: 00 Id: 00 Lun: 01
Vendor: DELL Model: MD38xxf Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi15 Channel: 00 Id: 00 Lun: 04
Vendor: DELL Model: MD38xxf Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi15 Channel: 00 Id: 00 Lun: 11
Vendor: DELL Model: MD38xxf Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi15 Channel: 00 Id: 00 Lun: 31
Vendor: DELL Model: Universal Xport Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi18 Channel: 00 Id: 00 Lun: 00
Vendor: DELL Model: MD38xxf Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi18 Channel: 00 Id: 00 Lun: 01
Vendor: DELL Model: MD38xxf Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi18 Channel: 00 Id: 00 Lun: 04
Vendor: DELL Model: MD38xxf Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi18 Channel: 00 Id: 00 Lun: 11
Vendor: DELL Model: MD38xxf Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi18 Channel: 00 Id: 00 Lun: 31
Vendor: DELL Model: Universal Xport Rev: 0825
Type: Direct-Access ANSI SCSI revision: 05
lsscsi
[0:2:0:0] disk DELL PERC H330 Mini 4.29 /dev/sda
[15:0:0:0] disk DELL MD38xxf 0825 -
[15:0:0:1] disk DELL MD38xxf 0825 /dev/sdb
[15:0:0:4] disk DELL MD38xxf 0825 /dev/sdc
[15:0:0:11] disk DELL MD38xxf 0825 /dev/sdd
[15:0:0:31] disk DELL Universal Xport 0825 -
[18:0:0:0] disk DELL MD38xxf 0825 -
[18:0:0:1] disk DELL MD38xxf 0825 /dev/sdi
[18:0:0:4] disk DELL MD38xxf 0825 /dev/sdj
[18:0:0:11] disk DELL MD38xxf 0825 /dev/sdk
[18:0:0:31] disk DELL Universal Xport 0825 -
ãã¹ãäžã§è¿œå ã®èšå®ãè¡ãããšãã§ããŸã ãã«ããã¹ãoVirtãã€ã³ã¹ããŒã«ãããšãã«ããèªäœãè¡ãããšãã§ããŸãããäºåã«MPãæ£ãããã©ããã確èªããããšããå§ãããŸãã
DM ãã«ããã¹ã®ã€ã³ã¹ããŒã«ãšæ§æ
yum install device-mapper-multipath
mpathconf --enable --user_friendly_names y
cat /etc/multipath.conf | egrep -v "^s*(#|$)"
defaults {
user_friendly_names yes
find_multipaths yes
}
blacklist {
wwid 26353900f02796769
devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
devnode "^hd[a-z]"
}
MP ãµãŒãã¹ãèªåèµ·åã«èšå®ããŠéå§ããŸãã
systemctl enable multipathd && systemctl restart multipathd
MP åäœã®ããã«ããŒããããã¢ãžã¥ãŒã«ã«é¢ããæ å ±ã確èªããŸãã
lsmod | grep dm_multipath
dm_multipath 27792 6 dm_service_time
dm_mod 124407 139 dm_multipath,dm_log,dm_mirror
modinfo dm_multipath
filename: /lib/modules/3.10.0-957.12.2.el7.x86_64/kernel/drivers/md/dm-multipath.ko.xz
license: GPL
author: Sistina Software <[email protected]>
description: device-mapper multipath target
retpoline: Y
rhelversion: 7.6
srcversion: 985A03DCAF053D4910E53EE
depends: dm-mod
intree: Y
vermagic: 3.10.0-957.12.2.el7.x86_64 SMP mod_unload modversions
signer: CentOS Linux kernel signing key
sig_key: A3:2D:39:46:F2:D3:58:EA:52:30:1F:63:37:8A:37:A5:54:03:00:45
sig_hashalgo: sha256
æ¢åã®ãã«ããã¹æ§æã®æŠèŠã衚瀺ããŸãã
mpathconf
multipath is enabled
find_multipaths is disabled
user_friendly_names is disabled
dm_multipath module is loaded
multipathd is running
æ°ãã LUN ãã¹ãã¬ãŒãž ã·ã¹ãã ã«è¿œå ããŠãã¹ãã«æ瀺ããåŸããã®äžã®ãã¹ãã«æ¥ç¶ãããŠãã HBA ãã¹ãã£ã³ããå¿ èŠããããŸãã
systemctl reload multipathd
multipath -v2
æåŸã«ããã¹ãŠã® LUN ããã¹ãã®ã¹ãã¬ãŒãž ã·ã¹ãã äžã«æ瀺ãããŠãããã©ããããŸããã¹ãŠãžã® XNUMX ã€ã®ãã¹ããããã©ããã確èªããŸãã
MPåäœç¢ºèªïŒ
multipath -ll
3600a098000e4b4b3000003175cec1840 dm-2 DELL ,MD38xxf
size=2.0T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
|-+- policy='service-time 0' prio=14 status=active
| `- 15:0:0:1 sdb 8:16 active ready running
`-+- policy='service-time 0' prio=9 status=enabled
`- 18:0:0:1 sdi 8:128 active ready running
3600a098000e4b48f000002ab5cec1921 dm-6 DELL ,MD38xxf
size=10T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
|-+- policy='service-time 0' prio=14 status=active
| `- 18:0:0:11 sdk 8:160 active ready running
`-+- policy='service-time 0' prio=9 status=enabled
`- 15:0:0:11 sdd 8:48 active ready running
3600a098000e4b4b3000003c95d171065 dm-3 DELL ,MD38xxf
size=150G features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
|-+- policy='service-time 0' prio=14 status=active
| `- 15:0:0:4 sdc 8:32 active ready running
`-+- policy='service-time 0' prio=9 status=enabled
`- 18:0:0:4 sdj 8:144 active ready running
ã芧ã®ãšãããã¹ãã¬ãŒãž ã·ã¹ãã äžã® XNUMX ã€ã®ä»®æ³ãã£ã¹ã¯ã¯ãã¹ãŠ XNUMX ã€ã®æ¹æ³ã§è¡šç€ºãããŸãã ããã§ããã¹ãŠã®æºåäœæ¥ãå®äºããŸãããã€ãŸãã次ã®èšäºã§èª¬æãããäž»èŠéšåã§ãã oVirt ã¯ã©ã¹ã¿ãŒã®ã»ããã¢ããã«é²ãããšãã§ããŸãã
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