简介
本文档介绍当思科超级服务平台(Ultra M)中虚拟数据包核心(VPC)的虚拟机(VM)启动并指向多个启动时如何收集日志。
作者:Dennis Lanov,思科TAC工程师。
VM启动
要引导具有控制功能(CF)或服务功能(SF)的VM,可以包括此处介绍的多个步骤和检查。监控VM时,它必须通过Serial1,因为这包括所有调试日志。
确定要监控的VM实例。
选项1.通过GUI登录到控制面板。
导航至Admin > Instances,查找实例,例如_c1并查找计算主机,在此示例中,C1在计算1上,C2在计算2上。

导航到控制台端,然后检查QEMU实例,如下图所示。

选项2.从“virsh list”中搜索每个实例以查找实例名称。
source from undercloud: source stackrc
identify compute node's control IP: nova list
通过SSH通过heat-admin控制计算节点的平面:ssh heat-admin@<IP address>。
更改为根:苏
列出所有实例:virsh list
控制台连接到实例的serial 1:virsh console instance-<number> serial1
此处的日志在插槽1中启动CF时包含多个主要项。SF的启动过程非常相似。
此卡已手动重新启动:
[ 811.235666] Restarting system.
[ 811.235950] machine restart
识别卡类型:
platform_get_card_info CARDTYPE Read in 0x40010100 --> 0x40010100
读取磁盘和系统参数:
"QEMU HARDDISK"
读取引导优先级。注意~7秒。如果看到超过30秒,则获取映像时会出现问题。可能的问题:映像问题等
指示:计算不计算对映像所在位置的访问。塞普或者西德。
Booting priority 1
image : /flash/qvpc-vchitlur.bin
config: /flash/day-N.cfg
flags : 0x0
Entry at 0x000000000c8f66f0
--------------------------------------------------------------------------------********************************************************************************
Total bytes read: 145289216 in 7.972 Sec (17797 KBytes/Sec)
获取所有信息并启动启动过程:
Scale BootStrap RAM Image (32bit,SP,LE,X86)
启动StarOS:
Invoking StarOS Image...
设置环境:
[ 0.000000] Linux version 2.6.38-staros-v3-scale-64 (yuel@bxb-mitg6-dev10) (gcc version 4.7.2 (GCC) ) #1 SMP PREEMPT Thu Feb 23 16:10:46 EST 2017
Boxer进程已实例化:
Boxer /etc/rc beginning.
识别此托管环境QEMU并添加DVD-ROM:
[ 8.308582] scsi 0:0:0:0: Direct-Access ATA QEMU HARDDISK 2.3. PQ: 0 ANSI: 5
[ 8.309031] ata2.01: ATAPI: QEMU DVD-ROM, 2.3.0, max UDMA/100
[ 8.309521] ata2.01: configured for MWDMA2
[ 8.311612] sd 0:0:0:0: [sda] 8388608 512-byte logical blocks: (4.29 GB/4.00 GiB)
[ 8.312090] scsi 0:0:1:0: Direct-Access ATA QEMU HARDDISK 2.3. PQ: 0 ANSI: 5
[ 8.312878] sd 0:0:0:0: [sda] Write Protect is off
[ 8.312978] sd 0:0:1:0: [sdb] 33554432 512-byte logical blocks: (17.1 GB/16.0 GiB)
[ 8.313011] sd 0:0:1:0: [sdb] Write Protect is off
[ 8.313021] sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 8.314286] scsi 1:0:1:0: CD-ROM QEMU QEMU DVD-ROM 2.3. PQ: 0 ANSI: 5
在配置驱动器上搜索参数文件:
...Looking for staros_param.cfg on config driveInitial card type is 64 ...Looking for param.cfg on boot1.
[ 8.414031] usb 1-1: new full speed USB device using uhci_hcd and address 2
映射staros_param.cfg文件中的文件Parameters,如果与/boot1/param.cfg中存储的值存在任何冲突,则优先选择:
Found param.cfg in local disk
Set 0x40010100 into sn_cardtype
: Found staros_param.cfg in config drive
装载:
...mounting /var/crash from tmpfs
...Detected KVM Guest
...UUID DD2C2139-9E98-4C1B-B87F-83BBD9E8270B
添加网卡:
...loading networking kernel modules
...virtio net
[ 9.661076] Selected 1 Queues, Max-Queue = 1, Online CPUs=8
[ 9.663552] Selected 1 Queues, Max-Queue = 1, Online CPUs=8
...vmxnet3
[ 9.669130] VMware vmxnet3 virtual NIC driver - version 1.0.25.0-k-NAPI
...e1000
[ 9.677388] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[ 9.677909] e1000: Copyright (c) 1999-2006 Intel Corporation.
...e1000e
[ 9.687631] e1000e: Intel(R) PRO/1000 Network Driver - 1.2.20-k2
[ 9.688079] e1000e: Copyright(c) 1999 - 2011 Intel Corporation.
...mdio
...ixgbe
设置网络接口(NI):
...setting up network interfaces
DI VM上内部更改的MTU大小,应启用SR-IOV:
[ 10.399271] ixgbevf: cpeth1: ixgbevf_change_mtu: changing MTU from 1500 to 7020
...create vlan interface cpeth1.2111
开始任务:
waiting for iftask to start.........
waiting for iftask to start.........
开始masterd以决定主CF角色:
start masterd 1 to decide master CF role
用于确定主/备用模式的广播卡:
...Broadcasting presence to master CF
检查巨型数据包:第一个小型ping、中型和巨型:
Pinging(size=56) master slot : card2
Pinging(size=1472) master slot : card2
Pinging(size=6992) master slot : card2
Virtual network connectivity OK!