port 7000 cluster-enabled yes cluster-config-file nodes.conf cluster-node-timeout 5000 appendonly yes pidfile /var/run/redis_xxxx.pid dir /usr/local/redis-cluster/xxxx
[root@localhost 10:49 /usr/local/redis-cluster]# ll 7000 7001 7002 7003 7004 7005 7000: 总用量 7080 -rw-r--r--. 1 root root 57787 9月 10 10:44 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 09:50 redis-server 7001: 总用量 7080 -rw-r--r--. 1 root root 57787 9月 10 10:46 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server 7002: 总用量 7080 -rw-r--r--. 1 root root 57787 9月 10 10:46 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server 7003: 总用量 7080 -rw-r--r--. 1 root root 57787 9月 10 10:47 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server 7004: 总用量 7080 -rw-r--r--. 1 root root 57787 9月 10 10:48 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server 7005: 总用量 7080 -rw-r--r--. 1 root root 57787 9月 10 10:48 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server [root@localhost 10:49 /usr/local/redis-cluster]#
[root@localhost 10:51 /usr/local/redis-cluster]# ./7000/redis-server ./7000/redis.conf 3547:C 10 Sep 10:51:58.519 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 3547:C 10 Sep 10:51:58.519 # Redis version=4.0.1, bits=32, commit=00000000, modified=0, pid=3547, just started 3547:C 10 Sep 10:51:58.519 # Configuration loaded [root@localhost 10:51 /usr/local/redis-cluster]# ./7001/redis-server ./7001/redis.conf 3552:C 10 Sep 10:52:05.549 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 3552:C 10 Sep 10:52:05.550 # Redis version=4.0.1, bits=32, commit=00000000, modified=0, pid=3552, just started 3552:C 10 Sep 10:52:05.550 # Configuration loaded [root@localhost 10:52 /usr/local/redis-cluster]# ./7002/redis-server ./7002/redis.conf 3557:C 10 Sep 10:52:13.098 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 3557:C 10 Sep 10:52:13.098 # Redis version=4.0.1, bits=32, commit=00000000, modified=0, pid=3557, just started 3557:C 10 Sep 10:52:13.098 # Configuration loaded [root@localhost 10:52 /usr/local/redis-cluster]# ./7003/redis-server ./7003/redis.conf 3563:C 10 Sep 10:52:18.986 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 3563:C 10 Sep 10:52:18.986 # Redis version=4.0.1, bits=32, commit=00000000, modified=0, pid=3563, just started 3563:C 10 Sep 10:52:18.986 # Configuration loaded [root@localhost 10:52 /usr/local/redis-cluster]# ./7004/redis-server ./7004/redis.conf 3568:C 10 Sep 10:52:23.709 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 3568:C 10 Sep 10:52:23.710 # Redis version=4.0.1, bits=32, commit=00000000, modified=0, pid=3568, just started 3568:C 10 Sep 10:52:23.710 # Configuration loaded [root@localhost 10:52 /usr/local/redis-cluster]# ./7005/redis-server ./7005/redis.conf 3573:C 10 Sep 10:52:27.146 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 3573:C 10 Sep 10:52:27.147 # Redis version=4.0.1, bits=32, commit=00000000, modified=0, pid=3573, just started 3573:C 10 Sep 10:52:27.147 # Configuration loaded [root@localhost 10:52 /usr/local/redis-cluster]#
[root@localhost 10:52 /usr/local/redis-cluster]# ps aux|grep redis root 3548 0.2 0.2 41964 2288 ? Ssl 10:51 0:00 ./7000/redis-server 127.0.0.1:7000 [cluster] root 3553 0.1 0.2 41964 2288 ? Ssl 10:52 0:00 ./7001/redis-server 127.0.0.1:7001 [cluster] root 3558 0.2 0.2 41964 2288 ? Ssl 10:52 0:00 ./7002/redis-server 127.0.0.1:7002 [cluster] root 3564 0.1 0.2 41964 2292 ? Ssl 10:52 0:00 ./7003/redis-server 127.0.0.1:7003 [cluster] root 3569 0.2 0.2 41964 2292 ? Ssl 10:52 0:00 ./7004/redis-server 127.0.0.1:7004 [cluster] root 3574 0.1 0.2 41964 2288 ? Ssl 10:52 0:00 ./7005/redis-server 127.0.0.1:7005 [cluster] root 3580 0.0 0.0 6048 784 pts/2 S+ 10:52 0:00 grep redis [root@localhost 10:52 /usr/local/redis-cluster]#
[root@localhost 11:01 /usr/local/redis-cluster]# ll 7000 7001 7002 7003 7004 7005 7000: 总用量 7084 -rw-r--r--. 1 root root 0 9月 10 10:51 appendonly.aof -rw-r--r--. 1 root root 114 9月 10 10:51 nodes-7000.conf -rw-r--r--. 1 root root 57787 9月 10 10:44 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 09:50 redis-server 7001: 总用量 7084 -rw-r--r--. 1 root root 0 9月 10 10:52 appendonly.aof -rw-r--r--. 1 root root 114 9月 10 10:52 nodes-7001.conf -rw-r--r--. 1 root root 57787 9月 10 10:46 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server 7002: 总用量 7084 -rw-r--r--. 1 root root 0 9月 10 10:52 appendonly.aof -rw-r--r--. 1 root root 114 9月 10 10:52 nodes-7002.conf -rw-r--r--. 1 root root 57787 9月 10 10:46 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server 7003: 总用量 7084 -rw-r--r--. 1 root root 0 9月 10 10:52 appendonly.aof -rw-r--r--. 1 root root 114 9月 10 10:52 nodes-7003.conf -rw-r--r--. 1 root root 57787 9月 10 10:47 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server 7004: 总用量 7084 -rw-r--r--. 1 root root 0 9月 10 10:52 appendonly.aof -rw-r--r--. 1 root root 114 9月 10 10:52 nodes-7004.conf -rw-r--r--. 1 root root 57787 9月 10 10:48 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server 7005: 总用量 7084 -rw-r--r--. 1 root root 0 9月 10 10:52 appendonly.aof -rw-r--r--. 1 root root 114 9月 10 10:52 nodes-7005.conf -rw-r--r--. 1 root root 57787 9月 10 10:48 redis.conf -rwxr-xr-x. 1 root root 7185872 9月 10 10:04 redis-server [root@localhost 11:01 /usr/local/redis-cluster]#
[root@localhost 11:03 /usr/local/redis-cluster]# ll /var/run/redis* -rw-r--r--. 1 root root 5 9月 10 10:51 /var/run/redis_7000.pid -rw-r--r--. 1 root root 5 9月 10 10:52 /var/run/redis_7001.pid -rw-r--r--. 1 root root 5 9月 10 10:52 /var/run/redis_7002.pid -rw-r--r--. 1 root root 5 9月 10 10:52 /var/run/redis_7003.pid -rw-r--r--. 1 root root 5 9月 10 10:52 /var/run/redis_7004.pid -rw-r--r--. 1 root root 5 9月 10 10:52 /var/run/redis_7005.pid [root@localhost 11:03 /usr/local/redis-cluster]#
[root@localhost 11:03 /usr/local/redis-cluster]# ll redis/src/redis-trib* -rwxrwxr-x. 1 root root 60843 7月 24 22:58 redis/src/redis-trib.rb [root@localhost 11:04 /usr/local/redis-cluster]# cp redis/src/redis-trib.rb ./ [root@localhost 11:05 /usr/local/redis-cluster]# ll 总用量 84 drwxr-xr-x. 2 root root 4096 9月 10 10:51 7000 drwxr-xr-x. 2 root root 4096 9月 10 10:52 7001 drwxr-xr-x. 2 root root 4096 9月 10 10:52 7002 drwxr-xr-x. 2 root root 4096 9月 10 10:52 7003 drwxr-xr-x. 2 root root 4096 9月 10 10:52 7004 drwxr-xr-x. 2 root root 4096 9月 10 10:52 7005 -rwxr-xr-x. 1 root root 60843 9月 10 11:05 redis-trib.rb [root@localhost 11:05 /usr/local/redis-cluster]#
[root@localhost 11:13 /usr/local/redis-cluster]# ./redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 /usr/bin/env: ruby: 没有那个文件或目录 [root@localhost 11:15 /usr/local/redis-cluster]#
[root@localhost 11:21 /usr/local/redis-cluster]# ./redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005
./redis-trib.rb:24:in `require': no such file to load -- rubygems (LoadError)
from ./redis-trib.rb:24
[root@localhost 11:22 /usr/local/redis-cluster]# [root@localhost 11:24 /usr/local/redis-cluster]# ./redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file to load -- redis (LoadError)
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from ./redis-trib.rb:25
[root@localhost 11:24 /usr/local/redis-cluster]# wget https://cache.ruby-lang.org/pub/ruby/2.4/ruby-2.4.1.tar.gz tar xzvf ruby-2.4.1.tar.gz cd ruby-2.4.1 ./configure make make install
[root@localhost 12:47 ~]# ruby -v ruby 2.4.1p111 (2017-03-22 revision 58053) [i686-linux] [root@localhost 12:47 ~]#
[root@localhost 13:01 /usr/local/redis-cluster]# gem install redis
ERROR: Loading command: install (LoadError)
cannot load such file -- zlib
ERROR: While executing gem ... (NoMethodError)
undefined method `invoke_with_build_args' for nil:NilClass [root@localhost 19:45 ~]# curl -L get.rvm.io | bash -s stable
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 24090 100 24090 0 0 11517 0 0:00:02 0:00:02 --:--:-- 48276
Downloading https://github测试数据/rvm/rvm/archive/1.29.3.tar.gz
Downloading https://github测试数据/rvm/rvm/releases/download/1.29.3/1.29.3.tar.gz.asc
gpg: 于 2017年09月11日 星期一 05时59分21秒 JST 创建的签名，使用 RSA，钥匙号 BF04FF17
gpg: 无法检查签名：No public key
Warning, RVM 1.26.0 introduces signed releases and automated check of signatures when GPG software found. Assuming you trust Michal Papis import the mpapis public key (downloading the signatures).
GPG signature verification failed for '/usr/local/rvm/archives/rvm-1.29.3.tgz' - 'https://github测试数据/rvm/rvm/releases/download/1.29.3/1.29.3.tar.gz.asc'! Try to install GPG v2 and then fetch the public key:
gpg2 --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
or if it fails:
command curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -
the key can be compared with:
https://rvm.io/mpapis.asc
https://keybase.io/mpapis
NOTE: GPG version 2.1.17 have a bug which cause failures during fetching keys from remote server. Please downgrade or upgrade to newer version (if available) or use the second method described above.
[root@localhost 19:45 ~]# [root@localhost 19:45 ~]# curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -
gpg: 钥匙环‘/root/.gnupg/secring.gpg'已建立
gpg: /root/.gnupg/trustdb.gpg：建立了信任度数据库
gpg: 密钥 D39DC0E3：公钥“Michal Papis (RVM signing) <mpapis@gmail测试数据>”已导入
gpg: 合计被处理的数量：1
gpg: 已导入：1 (RSA: 1)
gpg: 没有找到任何绝对信任的密钥
[root@localhost 19:45 ~]# curl -L get.rvm.io | bash -s stable
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 24090 100 24090 0 0 3763 0 0:00:06 0:00:06 --:--:-- 3763
Downloading https://github测试数据/rvm/rvm/archive/1.29.3.tar.gz
Downloading https://github测试数据/rvm/rvm/releases/download/1.29.3/1.29.3.tar.gz.asc
gpg: 于 2017年09月11日 星期一 05时59分21秒 JST 创建的签名，使用 RSA，钥匙号 BF04FF17
gpg: 完好的签名，来自于“Michal Papis (RVM signing) <mpapis@gmail测试数据>”
gpg: 亦即“Michal Papis <michal.papis@toptal测试数据>”
gpg: 亦即“[jpeg image of size 5015]”
gpg: 警告：这把密钥未经受信任的签名认证！
gpg: 没有证据表明这个签名属于它所声称的持有者。
主钥指纹： 409B 6B17 96C2 7546 2A17 0311 3804 BB82 D39D C0E3
子钥指纹： 62C9 E5F4 DA30 0D94 AC36 166B E206 C29F BF04 FF17
GPG verified '/usr/local/rvm/archives/rvm-1.29.3.tgz'
Creating group 'rvm'
Installing RVM to /usr/local/rvm/
Installation of RVM in /usr/local/rvm/ is almost complete:
* First you need to add all users that will be using rvm to 'rvm' group,
and logout - login again, anyone using rvm will be operating with `umask u=rwx,g=rwx,o=rx`.
* To start using RVM you need to run `source /etc/profile.d/rvm.sh`
in all your open shell windows, in rare cases you need to reopen all shell windows.
[root@localhost 19:46 ~] [root@localhost 19:46 ~]# find / -name rvm.sh /etc/profile.d/rvm.sh [root@localhost 19:49 ~]# source /etc/profile.d/rvm.sh
[root@localhost 19:59 ~]# gem install redis
Fetching: redis-4.0.0.gem (100%)
ERROR: Error installing redis:
redis requires Ruby version >= 2.2.2. [root@localhost 20:16 ~]# rvm install 2.3.3
Searching for binary rubies, this might take some time.
No binary rubies available for: centos/6/i386/ruby-2.3.3.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Checking requirements for centos.
Requirements installation successful.
Installing Ruby from source to: /usr/local/rvm/rubies/ruby-2.3.3, this may take a while depending on your cpu(s)...
ruby-2.3.3 - #downloading ruby-2.3.3, this may take a while depending on your connection...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 13.7M 100 13.7M 0 0 1285k 0 0:00:10 0:00:10 --:--:-- 1394k
ruby-2.3.3 - #extracting ruby-2.3.3 to /usr/local/rvm/src/ruby-2.3.3....
ruby-2.3.3 - #applying patch /usr/local/rvm/patches/ruby/ruby_2_3_gcc7.patch.
ruby-2.3.3 - #applying patch /usr/local/rvm/patches/ruby/2.3.3/random_c_using_NR_prefix.patch.
ruby-2.3.3 - #configuring..........................................................
ruby-2.3.3 - #post-configuration..
ruby-2.3.3 - #compiling....................................................................................-
ruby-2.3.3 - #installing...........................
ruby-2.3.3 - #making binaries executable..
ruby-2.3.3 - #downloading rubygems-2.6.13
ruby-2.3.3 - #extracting rubygems-2.6.13.....
ruby-2.3.3 - #removing old rubygems.........
ruby-2.3.3 - #installing rubygems-2.6.13..........................
ruby-2.3.3 - #gemset created /usr/local/rvm/gems/ruby-2.3.3@global
ruby-2.3.3 - #importing gemset /usr/local/rvm/gemsets/global.gems..........................................|
ruby-2.3.3 - #generating global wrappers........
ruby-2.3.3 - #gemset created /usr/local/rvm/gems/ruby-2.3.3
ruby-2.3.3 - #importing gemsetfile /usr/local/rvm/gemsets/default.gems evaluated to empty gem list
ruby-2.3.3 - #generating default wrappers........
ruby-2.3.3 - #adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
Install of ruby-2.3.3 - #complete
Please be aware that you just installed a ruby that requires 2 patches just to be compiled on an up to date linux system.
This may have known and unaccounted for security vulnerabilities.
Please consider upgrading to ruby-2.4.1 which will have all of the latest security patches.
Ruby was built without documentation, to build it run: rvm docs generate-ri
[root@localhost 20:27 ~]# ruby -v
ruby 2.3.3p222 (2016-11-21 revision 56859) [i686-linux]
[root@localhost 20:28 ~]# gem -v
2.6.13
[root@localhost 20:28 ~]# [root@localhost 20:28 ~]# gem install redis Fetching: redis-4.0.0.gem (100%) Successfully installed redis-4.0.0 Parsing documentation for redis-4.0.0 Installing ri documentation for redis-4.0.0 Done installing documentation for redis after 3 seconds 1 gem installed [root@localhost 20:33 ~]#
[root@localhost 20:35 /usr/local/redis-cluster]# ps aux|grep redis root 2486 0.1 0.2 46060 2304 ? Ssl 18:30 0:12 ./7000/redis-server 127.0.0.1:7000 [cluster] root 2491 0.1 0.2 46060 2308 ? Ssl 18:30 0:13 ./7001/redis-server 127.0.0.1:7001 [cluster] root 2496 0.1 0.2 46060 2308 ? Ssl 18:30 0:13 ./7002/redis-server 127.0.0.1:7002 [cluster] root 2501 0.1 0.2 46060 2304 ? Ssl 18:30 0:13 ./7003/redis-server 127.0.0.1:7003 [cluster] root 2506 0.1 0.2 46060 2308 ? Ssl 18:30 0:14 ./7004/redis-server 127.0.0.1:7004 [cluster] root 2511 0.1 0.2 46060 2304 ? Ssl 18:30 0:12 ./7005/redis-server 127.0.0.1:7005 [cluster] root 31426 0.0 0.0 6048 784 pts/2 S+ 20:35 0:00 grep redis [root@localhost 20:35 /usr/local/redis-cluster]#
[root@localhost 20:35 /usr/local/redis-cluster]# redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 >>> Creating cluster >>> Performing hash slots allocation on 6 nodes... Using 3 masters: 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 Adding replica 127.0.0.1:7003 to 127.0.0.1:7000 Adding replica 127.0.0.1:7004 to 127.0.0.1:7001 Adding replica 127.0.0.1:7005 to 127.0.0.1:7002 M: 6d996f9e34f40b02afe06aa9d3c8f18a41875cb2 127.0.0.1:7000 slots:0-5460 (5461 slots) master M: 9bf2ee5d32fc350ec411d3eaad18f82492796e99 127.0.0.1:7001 slots:5461-10922 (5462 slots) master M: 6de604de12b4b4a3be46766bb95ccf4618dc0d75 127.0.0.1:7002 slots:10923-16383 (5461 slots) master S: f1bdbd841e37825169426486d6502e2cd99b76fe 127.0.0.1:7003 replicates 6d996f9e34f40b02afe06aa9d3c8f18a41875cb2 S: 3ff95d180ec47fc58c9c5f73e2f54354128bfe7e 127.0.0.1:7004 replicates 9bf2ee5d32fc350ec411d3eaad18f82492796e99 S: a4a09d80a4bb6c82345c376c59e5ae49e1d49701 127.0.0.1:7005 replicates 6de604de12b4b4a3be46766bb95ccf4618dc0d75 Can I set the above configuration? (type 'yes' to accept): yes >>> Nodes configuration updated >>> Assign a different config epoch to each node >>> Sending CLUSTER MEET messages to join the cluster Waiting for the cluster to join... >>> Performing Cluster Check (using node 127.0.0.1:7000) M: 6d996f9e34f40b02afe06aa9d3c8f18a41875cb2 127.0.0.1:7000 slots:0-5460 (5461 slots) master 1 additional replica(s) S: f1bdbd841e37825169426486d6502e2cd99b76fe 127.0.0.1:7003 slots: (0 slots) slave replicates 6d996f9e34f40b02afe06aa9d3c8f18a41875cb2 M: 6de604de12b4b4a3be46766bb95ccf4618dc0d75 127.0.0.1:7002 slots:10923-16383 (5461 slots) master 1 additional replica(s) M: 9bf2ee5d32fc350ec411d3eaad18f82492796e99 127.0.0.1:7001 slots:5461-10922 (5462 slots) master 1 additional replica(s) S: 3ff95d180ec47fc58c9c5f73e2f54354128bfe7e 127.0.0.1:7004 slots: (0 slots) slave replicates 9bf2ee5d32fc350ec411d3eaad18f82492796e99 S: a4a09d80a4bb6c82345c376c59e5ae49e1d49701 127.0.0.1:7005 slots: (0 slots) slave replicates 6de604de12b4b4a3be46766bb95ccf4618dc0d75 [OK] All nodes agree about slots configuration. >>> Check for open slots... >>> Check slots coverage... [OK] All 16384 slots covered. [root@localhost 20:37 /usr/local/redis-cluster]#
[root@localhost 20:53 /usr/local/redis-cluster]# redis-cli -c -p 7000 127.0.0.1:7000> set name zhangsan -> Redirected to slot [5798] located at 127.0.0.1:7001 OK 127.0.0.1:7001> exit [root@localhost 20:53 /usr/local/redis-cluster]# redis-cli -c -p 7002 127.0.0.1:7002> get name -> Redirected to slot [5798] located at 127.0.0.1:7001 "zhangsan" 127.0.0.1:7001>
[root@localhost 19:52 /usr/local/redis-cluster]# redis-cli -p 7002 debug segfault Error: Server closed the connection [root@localhost 19:53 /usr/local/redis-cluster]# redis-trib.rb check 127.0.0.1:7000 >>> Performing Cluster Check (using node 127.0.0.1:7000) M: 6d996f9e34f40b02afe06aa9d3c8f18a41875cb2 127.0.0.1:7000 slots:0-5460 (5461 slots) master 1 additional replica(s) M: 9bf2ee5d32fc350ec411d3eaad18f82492796e99 127.0.0.1:7001 slots:5461-10922 (5462 slots) master 1 additional replica(s) S: 3ff95d180ec47fc58c9c5f73e2f54354128bfe7e 127.0.0.1:7004 slots: (0 slots) slave replicates 9bf2ee5d32fc350ec411d3eaad18f82492796e99 M: a4a09d80a4bb6c82345c376c59e5ae49e1d49701 127.0.0.1:7005 slots:10923-16383 (5461 slots) master 0 additional replica(s) S: f1bdbd841e37825169426486d6502e2cd99b76fe 127.0.0.1:7003 slots: (0 slots) slave replicates 6d996f9e34f40b02afe06aa9d3c8f18a41875cb2 [OK] All nodes agree about slots configuration. >>> Check for open slots... >>> Check slots coverage... [OK] All 16384 slots covered. [root@localhost 19:54 /usr/local/redis-cluster]#
[root@localhost 19:58 /usr/local/redis-cluster]# redis-cli -p 7005 debug segfault Error: Server closed the connection [root@localhost 19:58 /usr/local/redis-cluster]# redis-trib.rb check 127.0.0.1:7000 [ERR] Sorry, can't connect to node 127.0.0.1:7005 >>> Performing Cluster Check (using node 127.0.0.1:7000) M: 6d996f9e34f40b02afe06aa9d3c8f18a41875cb2 127.0.0.1:7000 slots:0-5460 (5461 slots) master 1 additional replica(s) M: 9bf2ee5d32fc350ec411d3eaad18f82492796e99 127.0.0.1:7001 slots:5461-10922 (5462 slots) master 1 additional replica(s) S: 3ff95d180ec47fc58c9c5f73e2f54354128bfe7e 127.0.0.1:7004 slots: (0 slots) slave replicates 9bf2ee5d32fc350ec411d3eaad18f82492796e99 S: f1bdbd841e37825169426486d6502e2cd99b76fe 127.0.0.1:7003 slots: (0 slots) slave replicates 6d996f9e34f40b02afe06aa9d3c8f18a41875cb2 [OK] All nodes agree about slots configuration. >>> Check for open slots... >>> Check slots coverage... [ERR] Not all 16384 slots are covered by nodes. [root@localhost 19:58 /usr/local/redis-cluster]#
/usr/local/rvm/gems/ruby-2.3.3/gems/redis-4.0.0/lib/redis/client.rb:119:in `call': ERR Slot 5461 is already busy (Redis::CommandError) from /usr/local/rvm/gems/ruby-2.3.3/gems/redis-4.0.0/lib/redis.rb:2742:in `block in method_missing' from /usr/local/rvm/gems/ruby-2.3.3/gems/redis-4.0.0/lib/redis.rb:45:in `block in synchronize' from /usr/local/rvm/rubies/ruby-2.3.3/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize' from /usr/local/rvm/gems/ruby-2.3.3/gems/redis-4.0.0/lib/redis.rb:45:in `synchronize' from /usr/local/rvm/gems/ruby-2.3.3/gems/redis-4.0.0/lib/redis.rb:2741:in `method_missing' from /usr/local/bin/redis-trib.rb:212:in `flush_node_config' from /usr/local/bin/redis-trib.rb:776:in `block in flush_nodes_config' from /usr/local/bin/redis-trib.rb:775:in `each' from /usr/local/bin/redis-trib.rb:775:in `flush_nodes_config' from /usr/local/bin/redis-trib.rb:1296:in `create_cluster_cmd' from /usr/local/bin/redis-trib.rb:1700:in `<main>'
解决办法：删除掉在redis.conf的dir目录下的几个文件redis.conf文件除外。
如果还是有相同的问题，可以考虑对所有节点执行下面两个命令。
redis-cli -p 端口号-h 主机物理地址 FLUSHALL
redis-cli -p 端口号-h 主机物理地址 CLUSTER RESET SOFT
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