The issue is that replication relies on this logs !!!, so when you
deleted them .....
Generally speaking you have to:
> stop the slave
> sync the master with the slave (there are several ways to do this and
depending how busy is your master)
>grab the master status (position)
>change the slave to point to the master new position
>start the slave
Hope this helps.
Carlos
On 12/23/2009 2:20 PM, Daevid Vincent wrote:
I got an alert that one of the drives was filling up (3% free). So I
figured out that a large chunk was from /var/log/mysql
r...@pse10:~# find / -type d -print0 | xargs -0 -n1 du -sk | sort -rn |
head -n20> ~/dir-sizes.txt
r...@pse10:~# cat ~/dir-sizes.txt
159121012 /
70442396 /var
70127764 /var/log
69991160 /var/log/mysql<-------- big offender
56307436 /data
31479936 /home
29386076 /data/mysql
26899784 /data/archive
It looked like the /var/log/mysql was pretty full of these Mysql-bin.00XXXX
log files,
...
-rw-rw---- 1 mysql adm 105019928 2009-12-23 05:07 mysql-bin.001196
-rw-rw---- 1 mysql adm 105004751 2009-12-23 05:08 mysql-bin.001197
-rw-rw---- 1 mysql adm 104978518 2009-12-23 05:10 mysql-bin.001198
-rw-rw---- 1 mysql adm 104949073 2009-12-23 05:11 mysql-bin.001199
-rw-rw---- 1 mysql adm 104925795 2009-12-23 05:13 mysql-bin.001200
-rw-rw---- 1 mysql adm 104974354 2009-12-23 05:14 mysql-bin.001201
-rw-rw---- 1 mysql adm 105089249 2009-12-23 05:16 mysql-bin.001202
-rw-rw---- 1 mysql adm 105165487 2009-12-23 05:17 mysql-bin.001203
-rw-rw---- 1 mysql adm 104926853 2009-12-23 05:19 mysql-bin.001204
-rw-rw---- 1 mysql adm 105139076 2009-12-23 05:20 mysql-bin.001205
-rw-rw---- 1 mysql adm 104891552 2009-12-23 05:22 mysql-bin.001206
-rw-rw---- 1 mysql adm 104959626 2009-12-23 05:25 mysql-bin.001207
-rw-rw---- 1 mysql adm 104883048 2009-12-23 05:27 mysql-bin.001208
-rw-rw---- 1 mysql adm 104993511 2009-12-23 05:28 mysql-bin.001209
-rw-rw---- 1 mysql adm 104945974 2009-12-23 05:30 mysql-bin.001210
-rw-rw---- 1 mysql adm 35468892 2009-12-23 05:30 mysql-bin.001211
-rw-rw---- 1 mysql adm 21728 2009-12-23 05:30 mysql-bin.index
-rw-r----- 1 mysql adm 12836 2009-12-23 00:12 mysql-slow.log
...
so I took the liberty of resetting them...
http://dev.mysql.com/doc/refman/5.0/en/reset.html
vince...@pse10 /var/log/mysql $ dbroot
(r...@localhost) [(none)]> RESET MASTER;
vince...@pse10 /var/log/mysql $ ll
total 2792
-rw-rw---- 1 mysql adm 2801618 2009-12-23 05:35 mysql-bin.000001
-rw-rw---- 1 mysql adm 32 2009-12-23 05:35 mysql-bin.index
-rw-r----- 1 mysql adm 14987 2009-12-23 05:35 mysql-slow.log
-rw-r----- 1 mysql adm 1102 2009-12-22 00:13 mysql-slow.log.1.gz
-rw-r----- 1 mysql adm 891 2009-12-21 00:02 mysql-slow.log.2.gz
-rw-r----- 1 mysql adm 1318 2009-12-20 00:02 mysql-slow.log.3.gz
-rw-r----- 1 mysql adm 687 2009-12-19 00:02 mysql-slow.log.4.gz
-rw-r----- 1 mysql adm 5246 2009-12-17 20:38 mysql-slow.log.5.gz
-rw-r----- 1 mysql adm 156 2009-12-16 06:25 mysql-slow.log.6.gz
-rw-r----- 1 mysql adm 1114 2009-12-15 16:26 mysql-slow.log.7.gz
Which freed up a tremendous amount of space again...
However, a co-worker informed me that now our slaves are broken and
replication is hosed!
What did I do wrong or forget to do?
I see no mention of something I was supposed to do for replication
scenarios...
Was I supposed to "RESET SLAVE" too?
As of right now, /var/log/mysql has grown to mysql-bin.000028 since last
night when I reset it.
How do I recover from this?
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