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From:Carlos Proal Date:December 23 2009 8:35pm
Subject:Re: HELP! "RESET MASTER" hosed replication
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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
>
> root@pse10:~# find / -type d -print0 | xargs -0 -n1 du -sk | sort -rn |
> head -n20>  ~/dir-sizes.txt
>
> root@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
>
> vincentd@pse10 /var/log/mysql $ dbroot
> (root@localhost) [(none)]>  RESET MASTER;
>
> vincentd@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?
>
>
>    

Thread
HELP! "RESET MASTER" hosed replicationDaevid Vincent23 Dec
  • Re: HELP! "RESET MASTER" hosed replicationClaudio Nanni23 Dec
  • Re: HELP! "RESET MASTER" hosed replicationCarlos Proal23 Dec
    • Re: HELP! "RESET MASTER" hosed replicationClaudio Nanni23 Dec
      • Re: HELP! "RESET MASTER" hosed replicationCarlos Proal23 Dec
    • Re: HELP! "RESET MASTER" hosed replicationprabhat kumar23 Dec
      • RE: HELP! "RESET MASTER" hosed replicationDaevid Vincent23 Dec