1 问题 一般来说,在实际运行中,ceph monitor的个数是2n+1(n>=0)个,在线上至少3个,只要正常的节点数>=n+1,ceph的paxos算法能保证系统的正常运行.所以,对于3个节点,同时只能挂掉一个.一般来说,同时挂掉2个节点的概率比较小,但是万一挂掉2个呢? 如果ceph的monitor节点超过半数挂掉,paxos算法就无法正常进行仲裁(quorum),此时,ceph集群会阻塞对集群的操作,直到超过半数的monitor节点恢复. If there are not enoug
linux内核启动修复 首先看linux内核重要文件grub.conf # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /b
问题描述:Linux VM异常重启,需要排查问题原因 排查结果: 查询Messages日志获取到的信息 虚拟机内核版本: Jun :: test01 kernel: Linux version -.el6.x86_64 (mockbuild@worker1.bsys.centos.org) ( (Red Hat -) (GCC) ) # SMP Tue May :: UTC 查看到虚拟机重启时间约为:2019/6/20 03:34 CST Jun :: test01 kernel: hv_uti
<pre name="code" class="html">如果在连接时候zk服务器宕机 To create a client session the application code must provide a connection string containing a comma separated list of host:port pairs, each corresponding to a ZooKeeper server (e.g. &q