Ultra-M UCS 240M4单硬盘故障 — 热插拔程序

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已更新: 2018 年 9 月 5 日

文档 ID:213625

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简介

本文档介绍在Ultra-M设置中更换服务器中故障硬盘驱动器(HDD)所需的步骤。

此过程适用于NEWTON版本的OpenStack环境，其中ESC不管理CPAR，CPAR直接安装在部署在OpenStack上的虚拟机(VM)上。

背景信息

Ultra-M是预打包和验证的虚拟化移动数据包核心解决方案，旨在简化虚拟网络功能(VNF)的部署。 OpenStack是Ultra-M的虚拟基础设施管理器(VIM)，由以下节点类型组成：

计算
对象存储磁盘 — 计算（OSD — 计算）
控制器
OpenStack平台 — 导向器(OSPD)

此图中描述了Ultra-M的高级体系结构和涉及的组件：

本文档面向熟悉Cisco Ultra-M平台的思科人员，并详细介绍在更换OSPD服务器时在OpenStack级别执行所需的步骤。

注意：为了定义本文档中的步骤，我们考虑了Ultra M 5.1.x版本。

缩写

VNF	虚拟网络功能
MoP	程序方法
OSD	对象存储磁盘
OSPD	OpenStack平台导向器
硬盘	硬盘驱动器
SSD	固态驱动器
VIM	虚拟基础设施管理器
虚拟机	虚拟机
EM	元素管理器
UAS	超自动化服务
UUID	通用唯一标识符

MoP工作流

单硬盘故障

每台裸机服务器都配置了两个HDD驱动器，以在Raid 1配置中充当BOOT DISK。在单个HDD发生故障时，由于存在RAID 1级冗余，故障HDD驱动器可以热插拔。
有关更换UCS C240 M4服务器上故障组件的步骤，请参阅：更换服务器组件。
如果单个HDD发生故障，则仅热交换故障HDD，因此更换新磁盘后无需BIOS升级过程。
更换磁盘后，必须等待磁盘之间的数据同步。可能需要数小时才能完成。
在基于OpenStack(Ultra-M)的解决方案中，UCS 240M4裸机服务器可以承担以下角色之一：计算、OSD — 计算、控制器和OSPD。在这些服务器角色中处理单个HDD故障所需的步骤相同，此部分介绍在热交换磁盘之前要执行的运行状况检查。

计算服务器上的单硬盘故障

如果UCS 240M4（充当计算节点）中观察到HDD驱动器故障，请在执行故障磁盘热插拔之前执行此运行状况检查。
确定在此服务器上运行的VM，并验证功能状态是否正常。

识别托管在计算节点中的虚拟机

确定托管在计算服务器上的VM，并验证它们是否处于活动状态并正在运行。

[stack@director ~]$ nova list
| 46b4b9eb-a1a6-425d-b886-a0ba760e6114 | AAA-CPAR-testing-instance | pod2-stack-compute-4.localdomain |

运行状况检查

步骤1.在操作系统(OS)级别运行命令/opt/CSCOar/bin/arstatus。

[root@aaa04 ~]# /opt/CSCOar/bin/arstatus
Cisco Prime AR RADIUS server running       (pid: 24834)
Cisco Prime AR Server Agent running        (pid: 24821)
Cisco Prime AR MCD lock manager running    (pid: 24824)
Cisco Prime AR MCD server running          (pid: 24833)
Cisco Prime AR GUI running                 (pid: 24836)
SNMP Master Agent running                (pid: 24835)
[root@wscaaa04 ~]#

步骤2.在操作系统级别运行命令/opt/CSCOar/bin/aregcmd并输入管理员凭证。验证CPAR运行状况是10/10，并退出CPAR CLI。

[root@aaa02 logs]# /opt/CSCOar/bin/aregcmd
Cisco Prime Access Registrar 7.3.0.1 Configuration Utility
Copyright (C) 1995-2017 by Cisco Systems, Inc.  All rights reserved.
Cluster:
User: admin
Passphrase:
Logging in to localhost
[ //localhost ]

    LicenseInfo = PAR-NG-TPS 7.2(100TPS:)

                  PAR-ADD-TPS 7.2(2000TPS:)

                  PAR-RDDR-TRX 7.2()

                  PAR-HSS 7.2()

    Radius/

    Administrators/
Server 'Radius' is Running, its health is 10 out of 10
--> exit

步骤3.运行命令netstat | grep diameter并验证是否已建立所有Diameter路由代理(DRA)连接。

此处提到的输出适用于需要Diameter链路的环境。如果显示的链路较少，则表示与需要分析的DRA断开。

[root@aa02 logs]# netstat | grep diameter
tcp         0            0 aaa02.aaa.epc.:77 mp1.dra01.d:diameter ESTABLISHED
tcp         0            0 aaa02.aaa.epc.:36 tsa6.dra01:diameter ESTABLISHED
tcp         0            0 aaa02.aaa.epc.:47 mp2.dra01.d:diameter ESTABLISHED
tcp         0            0 aaa02.aaa.epc.:07 tsa5.dra01:diameter ESTABLISHED
tcp         0            0 aaa02.aaa.epc.:08 np2.dra01.d:diameter ESTABLISHED

步骤4.检查TPS日志是否显示CPAR正在处理的请求。突出显示的值代表TPS，这些值是您需要注意的值。

TPS的值不得超过1500。

[root@wscaaa04 ~]# tail -f /opt/CSCOar/logs/tps-11-21-2017.csv
11-21-2017,23:57:35,263,0
11-21-2017,23:57:50,237,0
11-21-2017,23:58:05,237,0
11-21-2017,23:58:20,257,0
11-21-2017,23:58:35,254,0
11-21-2017,23:58:50,248,0
11-21-2017,23:59:05,272,0
11-21-2017,23:59:20,243,0
11-21-2017,23:59:35,244,0
11-21-2017,23:59:50,233,0

步骤5.在name_radius_1_log中查找任何“错误”或“警报”消息

[root@aaa02 logs]# grep -E "error|alarm" name_radius_1_log

步骤6.要验证CPAR进程使用的内存量，请运行以下命令：

top | grep radius

[root@sfraaa02 ~]# top | grep radius
27008 root      20   0 20.228g 2.413g  11408 S 128.3  7.7   1165:41 radius

此突出显示值必须低于7Gb，这是应用级别允许的最大值。

步骤7.要验证磁盘利用率，请运行命令df -h。

[root@aaa02 ~]# df -h
Filesystem                       Size  Used Avail Use% Mounted on
/dev/mapper/vg_arucsvm51-lv_root 26G   21G  4.1G  84% /
tmpfs                            1.9G  268K  1.9G   1% /dev/shm
/dev/sda1                        485M   37M  424M   8% /boot
/dev/mapper/vg_arucsvm51-lv_home 23G  4.3G   17G  21% /home

此总值必须低于80%，如果超过80%，则识别不必要的文件并进行清理。

步骤8.检验是否未生成“核心”文件。

当CPAR无法处理异常时，在应用崩溃时生成核心文件，并在以下两个位置生成：

[root@aaa02 ~]# cd /cisco-ar/
[root@aaa02 ~]# cd /cisco-ar/bin

这两个位置中不得有任何核心文件。如果找到，请提交Cisco TAC案例，以确定此类异常的根本原因，并附加核心文件进行调试。

如果运行状况检查正常，请继续执行故障磁盘热插拔过程，并等待数据同步，因为需要数小时才能完成。

更换服务器组件

重复运行状况检查步骤，以确认托管在计算节点上的虚拟机的运行状况已恢复。

控制器服务器上的单硬盘故障

如果UCS 240M4（充当控制器节点）中观察到HDD驱动器故障，请在执行故障磁盘热插拔之前执行这些运行状况检查。

检查控制器上的Pacemaker状态。

登录到其中一个活动控制器并检查起搏器状态。所有服务必须在可用控制器上运行，并在故障控制器上停止。


[heat-admin@pod2-stack-controller-0 ~]$ sudo pcs status
Cluster name: tripleo_cluster
Stack: corosync
Current DC: pod2-stack-controller-2 (version 1.1.15-11.el7_3.4-e174ec8) - partition with quorum
Last updated: Tue Jul 10 10:04:15 2018Last change: Fri Jul 6 09:03:35 2018 by root via crm_attribute on pod2-stack-controller-0

3 nodes and 19 resources configured

Online: [ pod2-stack-controller-0 pod2-stack-controller-1 pod2-stack-controller-2 ]

Full list of resources:

 ip-11.120.0.49(ocf::heartbeat:IPaddr2):Started pod2-stack-controller-1
 Clone Set: haproxy-clone [haproxy]
 Started: [ pod2-stack-controller-0 pod2-stack-controller-1 pod2-stack-controller-2 ]
 Master/Slave Set: galera-master [galera]
 Masters: [ pod2-stack-controller-0 pod2-stack-controller-1 pod2-stack-controller-2 ]
 ip-192.200.0.110(ocf::heartbeat:IPaddr2):Started pod2-stack-controller-1
 ip-11.120.0.44(ocf::heartbeat:IPaddr2):Started pod2-stack-controller-2
 ip-11.118.0.49(ocf::heartbeat:IPaddr2):Started pod2-stack-controller-2
 Clone Set: rabbitmq-clone [rabbitmq]
 Started: [ pod2-stack-controller-0 pod2-stack-controller-1 pod2-stack-controller-2 ]
 ip-10.225.247.214(ocf::heartbeat:IPaddr2):Started pod2-stack-controller-1
 Master/Slave Set: redis-master [redis]
 Masters: [ pod2-stack-controller-2 ]
 Slaves: [ pod2-stack-controller-0 pod2-stack-controller-1 ]
 ip-11.119.0.49(ocf::heartbeat:IPaddr2):Started pod2-stack-controller-2
 openstack-cinder-volume(systemd:openstack-cinder-volume):Started pod2-stack-controller-1

Daemon Status:
 corosync: active/enabled
 pacemaker: active/enabled
 pcsd: active/enabled

检查活动控制器中的MariaDB状态。


[stack@director ~]$ nova list | grep control
| b896c73f-d2c8-439c-bc02-7b0a2526dd70 | pod2-stack-controller-0 | ACTIVE | - | Running | ctlplane=192.200.0.113 |
| 2519ce67-d836-4e5f-a672-1a915df75c7c | pod2-stack-controller-1 | ACTIVE | - | Running | ctlplane=192.200.0.105 |
| e19b9625-5635-4a52-a369-44310f3e6a21 | pod2-stack-controller-2 | ACTIVE | - | Running | ctlplane=192.200.0.120 |

[stack@director ~]$ for i in 192.200.0.102 192.200.0.110 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_local_ state_comment'\" ; sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_cluster_size'\""; done 192.200.0.110 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_local_st5 192.200.0.110 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_local_st ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_local_st3 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_local_st ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_local_s1 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_local_9 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_local2 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_loca. ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_loc2 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_lo0 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_l0 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep_. ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsrep0 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsre. ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'wsr1 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'ws2 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE 'w0 ; do echo "*** $i ***" ; ssh heat-admin@$i "sudo mysql --exec=\"SHOW STATUS LIKE '
 
*** 192.200.0.102 ***
Variable_nameValue
wsrep_local_state_commentSynced
Variable_nameValue
wsrep_cluster_size2
*** 192.200.0.110 ***
Variable_nameValue
wsrep_local_state_commentSynced
Variable_nameValue
wsrep_cluster_size2

验证每个活动控制器都存在以下线路：

wsrep_local_state_comment: Synced

wsrep_cluster_size: 2

在活动控制器中检查Rabbitmq状态。

[heat-admin@pod2-stack-controller-0 ~]$ sudo rabbitmqctl cluster_status
Cluster status of node 'rabbit@pod2-stack-controller-0' ...
[{nodes,[{disc,['rabbit@pod2-stack-controller-0',
 'rabbit@pod2-stack-controller-1',
 'rabbit@pod2-stack-controller-2']}]},
 {running_nodes,['rabbit@pod2-stack-controller-1',
 'rabbit@pod2-stack-controller-2',
 'rabbit@pod2-stack-controller-0']},
 {cluster_name,<<"rabbit@pod2-stack-controller-1.localdomain">>},
 {partitions,[]},
 {alarms,[{'rabbit@pod2-stack-controller-1',[]},
 {'rabbit@pod2-stack-controller-2',[]},
 {'rabbit@pod2-stack-controller-0',[]}]}]

如果运行状况检查正常，请继续执行故障磁盘热插拔过程，并等待数据同步，因为需要数小时才能完成。

更换服务器组件

重复运行状况检查步骤，以确认控制器的运行状况已恢复。

OSD-Compute服务器上的单硬盘故障

如果UCS 240M4（充当OSD计算节点）中观察到HDD驱动器故障，请在执行故障磁盘热插拔之前执行运行状况检查。

识别OSD计算节点中托管的虚拟机
确定托管在计算服务器上的虚拟机

[stack@director ~]$ nova list
| 46b4b9eb-a1a6-425d-b886-a0ba760e6114 | AAA-CPAR-testing-instance | pod2-stack-compute-4.localdomain |

CEPH进程在osd-compute服务器上处于活动状态。

         
[heat-admin@pod2-stack-osd-compute-1 ~]$ systemctl list-units *ceph*

UNIT LOAD ACTIVE SUB DESCRIPTION
var-lib-ceph-osd-ceph\x2d1.mount loaded active mounted /var/lib/ceph/osd/ceph-1
var-lib-ceph-osd-ceph\x2d10.mount loaded active mounted /var/lib/ceph/osd/ceph-10
var-lib-ceph-osd-ceph\x2d4.mount loaded active mounted /var/lib/ceph/osd/ceph-4
var-lib-ceph-osd-ceph\x2d7.mount loaded active mounted /var/lib/ceph/osd/ceph-7
ceph-osd@1.service loaded active running Ceph object storage daemon
ceph-osd@10.service loaded active running Ceph object storage daemon
ceph-osd@4.service loaded active running Ceph object storage daemon
ceph-osd@7.service loaded active running Ceph object storage daemon
system-ceph\x2ddisk.slice loaded active active system-ceph\x2ddisk.slice
system-ceph\x2dosd.slice loaded active active system-ceph\x2dosd.slice
ceph-mon.target loaded active active ceph target allowing to start/stop all ceph-mon@.service instances at once
ceph-osd.target loaded active active ceph target allowing to start/stop all ceph-osd@.service instances at once
ceph-radosgw.target loaded active active ceph target allowing to start/stop all ceph-radosgw@.service instances at once
ceph.target loaded active active ceph target allowing to start/stop all ceph*@.service instances at once

LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.

14 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.

验证OSD（硬盘）到日志(SSD)的映射是否正常。

[heat-admin@pod2-stack-osd-compute-1 ~]$ sudo ceph-disk list
/dev/sda :
 /dev/sda1 other, iso9660
 /dev/sda2 other, xfs, mounted on /
/dev/sdb :
 /dev/sdb1 ceph journal, for /dev/sdc1
 /dev/sdb3 ceph journal, for /dev/sdd1
 /dev/sdb2 ceph journal, for /dev/sde1
 /dev/sdb4 ceph journal, for /dev/sdf1
/dev/sdc :
 /dev/sdc1 ceph data, active, cluster ceph, osd.1, journal /dev/sdb1
/dev/sdd :
 /dev/sdd1 ceph data, active, cluster ceph, osd.7, journal /dev/sdb3
/dev/sde :
 /dev/sde1 ceph data, active, cluster ceph, osd.4, journal /dev/sdb2
/dev/sdf :
 /dev/sdf1 ceph data, active, cluster ceph, osd.10, journal /dev/sdb4

验证CEPH运行状况和OSD树映射是否正常。


[heat-admin@pod2-stack-osd-compute-1 ~]$ sudo ceph -s
 cluster eb2bb192-b1c9-11e6-9205-525400330666
 health HEALTH_OK
 monmap e1: 3 mons at {pod2-stack-controller-0=11.118.0.10:6789/0,pod2-stack-controller-1=11.118.0.11:6789/0,pod2-stack-controller-2=11.118.0.12:6789/0}
 election epoch 10, quorum 0,1,2 pod2-stack-controller-0,pod2-stack-controller-1,pod2-stack-controller-2
 osdmap e81: 12 osds: 12 up, 12 in
 flags sortbitwise,require_jewel_osds
 pgmap v23095222: 704 pgs, 6 pools, 809 GB data, 424 kobjects
 2418 GB used, 10974 GB / 13393 GB avail
 704 active+clean
 client io 1329 kB/s wr, 0 op/s rd, 122 op/s wr


[heat-admin@pod2-stack-osd-compute-1 ~]$ sudo ceph osd tree
ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY 
-1 13.07996 root default 
-2 4.35999 host pod2-stack-osd-compute-0 
 0 1.09000 osd.0 up 1.00000 1.00000 
 3 1.09000 osd.3 up 1.00000 1.00000 
 6 1.09000 osd.6 up 1.00000 1.00000 
 9 1.09000 osd.9 up 1.00000 1.00000 
-3 4.35999 host pod2-stack-osd-compute-1 
 1 1.09000 osd.1 up 1.00000 1.00000 
 4 1.09000 osd.4 up 1.00000 1.00000 
 7 1.09000 osd.7 up 1.00000 1.00000 
10 1.09000 osd.10 up 1.00000 1.00000 
-4 4.35999 host pod2-stack-osd-compute-2 
 2 1.09000 osd.2 up 1.00000 1.00000 
 5 1.09000 osd.5 up 1.00000 1.00000 
 8 1.09000 osd.8 up 1.00000 1.00000 
11 1.09000 osd.11 up 1.00000 1.00000

如果运行状况检查正常，请继续执行故障磁盘热插拔过程，并等待数据同步，因为它需要数小时才能完成。

更换服务器组件

重复运行状况检查步骤，以确认托管在OSD-Compute节点上的虚拟机的运行状况已恢复。

OSPD服务器上的单硬盘故障

如果UCS 240M4（充当OSPD节点）中观察到HDD驱动器故障，请在执行故障磁盘热插拔之前执行运行状况检查。

检查openstack堆栈和节点列表的状态。

[stack@director ~]$ source stackrc 
[stack@director ~]$ openstack stack list --nested
[stack@director ~]$ ironic node-list
[stack@director ~]$ nova list

检查所有下云服务是否都处于从OSP-D节点加载、活动和运行状态。

[stack@director ~]$ systemctl list-units "openstack*" "neutron*" "openvswitch*"
 UNIT LOAD ACTIVE SUB DESCRIPTION
 neutron-dhcp-agent.service loaded active running OpenStack Neutron DHCP Agent
 neutron-metadata-agent.service loaded active running OpenStack Neutron Metadata Agent
 neutron-openvswitch-agent.service loaded active running OpenStack Neutron Open vSwitch Agent
 neutron-server.service loaded active running OpenStack Neutron Server
 openstack-aodh-evaluator.service loaded active running OpenStack Alarm evaluator service
 openstack-aodh-listener.service loaded active running OpenStack Alarm listener service
 openstack-aodh-notifier.service loaded active running OpenStack Alarm notifier service
 openstack-ceilometer-central.service loaded active running OpenStack ceilometer central agent
 openstack-ceilometer-collector.service loaded active running OpenStack ceilometer collection service
 openstack-ceilometer-notification.service loaded active running OpenStack ceilometer notification agent
 openstack-glance-api.service loaded active running OpenStack Image Service (code-named Glance) API server
 openstack-glance-registry.service loaded active running OpenStack Image Service (code-named Glance) Registry server
 openstack-heat-api-cfn.service loaded active running Openstack Heat CFN-compatible API Service
 openstack-heat-api.service loaded active running OpenStack Heat API Service
 openstack-heat-engine.service loaded active running Openstack Heat Engine Service
 openstack-ironic-api.service loaded active running OpenStack Ironic API service
 openstack-ironic-conductor.service loaded active running OpenStack Ironic Conductor service
 openstack-ironic-inspector-dnsmasq.service loaded active running PXE boot dnsmasq service for Ironic Inspector
 openstack-ironic-inspector.service loaded active running Hardware introspection service for OpenStack Ironic
 openstack-mistral-api.service loaded active running Mistral API Server
 openstack-mistral-engine.service loaded active running Mistral Engine Server
 openstack-mistral-executor.service loaded active running Mistral Executor Server
 openstack-nova-api.service loaded active running OpenStack Nova API Server
 openstack-nova-cert.service loaded active running OpenStack Nova Cert Server
 openstack-nova-compute.service loaded active running OpenStack Nova Compute Server
 openstack-nova-conductor.service loaded active running OpenStack Nova Conductor Server
 openstack-nova-scheduler.service loaded active running OpenStack Nova Scheduler Server
 openstack-swift-account-reaper.service loaded active running OpenStack Object Storage (swift) - Account Reaper
 openstack-swift-account.service loaded active running OpenStack Object Storage (swift) - Account Server
 openstack-swift-container-updater.service loaded active running OpenStack Object Storage (swift) - Container Updater
 openstack-swift-container.service loaded active running OpenStack Object Storage (swift) - Container Server
 openstack-swift-object-updater.service loaded active running OpenStack Object Storage (swift) - Object Updater
 openstack-swift-object.service loaded active running OpenStack Object Storage (swift) - Object Server
 openstack-swift-proxy.service loaded active running OpenStack Object Storage (swift) - Proxy Server
 openstack-zaqar.service loaded active running OpenStack Message Queuing Service (code-named Zaqar) Server
 openstack-zaqar@1.service loaded active running OpenStack Message Queuing Service (code-named Zaqar) Server Instance 1
 openvswitch.service loaded active exited Open vSwitch

LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.
lines 1-43 
lines 2-44 37 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
lines 4-46/46 (END) lines 4-46/46 (END) lines 4-46/46 (END) lines 4-46/46 (END) lines 4-46/46 (END)

如果运行状况检查正常，请继续执行故障磁盘热插拔过程，并等待数据同步，因为它需要数小时才能完成。

更换服务器组件

重复运行状况检查步骤，以确认OSPD节点的运行状况已恢复。

由思科工程师提供

Karthikeyan Dachanamoorthy
Cisco Advanced Services
Harshita Bhardwaj
Cisco Advanced Services

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Ultra-M UCS 240M4单硬盘故障 — 热插拔程序 — CPAR

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关于此翻译

目录

简介

背景信息

缩写

MoP工作流

单硬盘故障

计算服务器上的单硬盘故障

识别托管在计算节点中的虚拟机

运行状况检查

控制器服务器上的单硬盘故障

OSD-Compute服务器上的单硬盘故障

OSPD服务器上的单硬盘故障

由思科工程师提供

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