问题描述：Boot:sector signature not found ( unbootable disk/partition?)思路：在fuel web 上显示服务器为离线状态，并且服务器显示px
问题描述：Boot:sector signature not found ( unbootable disk/partition?)
思路：在fuel web 上显示服务器为离线状态，并且服务器显示pxe启动并获得IP，但就是启动不了。那就是说有可能是从PXE那里获得的配置信息有问题？
解决方法：
[root@fuel ~]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES5f439f827641 fuel/mcollective_8.0 "/usr/sbin/init" 10 months ago Up 14 minutes fuel-core-8.0-mcollectived6ca31fc0dec fuel/cobbler_8.0 "/usr/sbin/init" 10 months ago Up 15 minutes fuel-core-8.0-cobbler2c50f962f7e2 fuel/nginx_8.0 "/usr/sbin/init" 10 months ago Up 15 minutes fuel-core-8.0-nginxf62f2bd455ee fuel/ostf_8.0 "/usr/sbin/init" 10 months ago Up 16 minutes fuel-core-8.0-ostfbace55cca647 fuel/nailgun_8.0 "/usr/sbin/init" 10 months ago Up 16 minutes fuel-core-8.0-nailgun9642e4706c78 fuel/rsyslog_8.0 "/usr/sbin/init" 10 months ago Up 16 minutes fuel-core-8.0-rsyslog9ecd2473232c fuel/astute_8.0 "/usr/sbin/init" 10 months ago Up 16 minutes fuel-core-8.0-astute5d75686d3dcb fuel/rsync_8.0 "/usr/sbin/init" 10 months ago Up 16 minutes fuel-core-8.0-rsync1d06fe157b5e fuel/keystone_8.0 "/usr/sbin/init" 10 months ago Up 17 minutes fuel-core-8.0-keystoneb275d5d6df72 fuel/rabbitmq_8.0 "/usr/sbin/init" 10 months ago Up 18 minutes fuel-core-8.0-rabbitmqa07a8c272ab4 fuel/postgres_8.0 "/usr/sbin/init" 10 months ago Up 18 minutes fuel-core-8.0-postgres[root@fuel ~]# docker exec -it fuel-core-8.0-cobbler bash[root@fuel /]# find / -name pxelinux.cfg/var/lib/tftpboot/pxelinux.cfg[root@fuel tftpboot]# cd /var/lib/tftpboot/pxelinux.cfg/[root@fuel pxelinux.cfg]# lltotal 76-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d7-ed-b5-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d7-ed-b7-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d7-ed-bd-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d7-ed-bf-rw-r--r-- 1 root root 810 Apr 11 02:35 01-00-1e-c9-d7-ed-c5-rw-r--r-- 1 root root 810 Apr 11 02:35 01-00-1e-c9-d7-ed-c7-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d7-ed-cd-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d7-ed-cf-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d7-ed-e1-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d7-ed-e3-rw-r--r-- 1 root root 812 Apr 11 02:35 01-00-1e-c9-d7-ed-e5-rw-r--r-- 1 root root 812 Apr 11 02:35 01-00-1e-c9-d7-ed-e7-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d9-02-98-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-1e-c9-d9-02-9a-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-24-e8-5a-4e-cb-rw-r--r-- 1 root root 200 Apr 11 02:35 01-00-24-e8-5a-4e-cd-rw-r--r-- 1 root root 808 Apr 11 02:35 01-00-24-e8-5a-4e-cf-rw-r--r-- 1 root root 808 Apr 11 02:35 01-00-24-e8-5a-4e-d1-rw-r--r-- 1 root root 1355 Apr 11 02:35 default[root@fuel pxelinux.cfg]# cat 01-00-1e-c9-d7-ed-b5 default linuxprompt 0timeout 1label linux kernel /images/ubuntu_bootstrap/vmlinuz ipappend 2 append initrd=/images/ubuntu_bootstrap/initrd.img ksdevice=bootif locale=en_US text mco_user=mcollective ignore_loglevel biosdevname=0 url=http://192.168.90.2:8000/api log_buf_len=10M lang= console=ttyS0,9600 console=tty0 LOGLEVEL=8 netcfg/choose_interface=00:1e:c9:d7:ed:b5 boot=live net.ifnames=1 priority=critical toram udevrules=00:1e:c9:d7:ed:b5_eno1,00:1e:c9:d7:ed:b7_eno2 ethdevice-timeout=120 components debug mco_pass=0aAhBpFM panic=60 fetch=http://192.168.90.2:8080/bootstraps/active_bootstrap/root.squashfs print_fatal_signals=1 auto-install/enable=true priority=critical url=http://192.168.90.2/cblr/svc/op/ks/system/node-55 hostname=node-55 domain=domain.tld suite=trusty[root@fuel pxelinux.cfg]# mkdir test[root@fuel pxelinux.cfg]# mv 01-00-* ./test/[root@fuel pxelinux.cfg]# lltotal 8-rw-r--r-- 1 root root 1355 Apr 11 02:35 defaultdrwxr-xr-x 2 root root 4096 Apr 11 02:51 test最后 让服务器重新从PXE引导即可
