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2014-02-25 (火) 12:38:01更新

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7系にすると「/」パーティションがに引き続きファイルシステム・ネタ

/var が溢れました†

ある日k222というマシンのコンソールが延々とスクロールしていて、その先頭は、

May 22 18:49:54 k222 kernel: May 22 18:49:54 k222 mysqld[1176]:
warning: /etc/hosts.allow, line 2: can't verify hostname: getaddrinfo
(undefined.bjgwbn.net.cn, AF_INET) failed
May 22 18:49:55 k222 kernel: May 22 18:49:55 k222 mysqld[1176]: 
warning: /etc/hosts.allow, line 2: can't verify hostname: getaddrinfo
(undefined.bjgwbn.net.cn, AF_INET) failed
May 22 18:49:55 k222 kernel: May 22 18:49:55 k222 mysqld[1176]: 
warning: /etc/hosts.allow, line 2: can't verify hostname: getaddrinfo
(undefined.bjgwbn.net.cn, AF_INET) failed
May 22 18:49:56 k222 kernel: May 22 18:49:56 k222 mysqld[1176]: 
warning: /etc/hosts.allow, line 2: can't verify hostname: getaddrinfo
(undefined.bjgwbn.net.cn, AF_INET) failed
May 23 23:11:00 k222 kernel: May 23 23:11:00 k222 kernel: pid 59626 (dd), uid 
2 inumber 117828 on /var: filesystem full
May 23 23:22:00 k222 kernel: May 23 23:22:00 k222 kernel: pid 80929 (dd), uid
2 inumber 117866 on /var: filesystem full
May 23 23:27:05 k222 kernel: May 23 23:27:05 k222 kernel: pid 1006 
(freshclam), uid 106 inumber 118199 on /var: filesystem full
May 23 23:31:21 k222 kernel: May 23 23:31:21 k222 kernel: pid 99006 (bounce),
uid 125 inumber 23629 on /var: filesystem full
May 23 23:31:21 k222 kernel: May 23 23:31:21 k222 postfix/bounce[99006]:
fatal: append file defer 4F70D5C4E: No space left on device
May 23 23:31:21 k222 kernel: May 23 23:31:21 k222 postfix/bounce[99004]:
fatal: append file defer AA8345C4B: No space left on device
May 23 23:33:00 k222 kernel: May 23 23:33:00 k222 kernel: pid 2329 (dd), uid
2 inumber 117829 on /var: filesystem full
May 23 23:36:22 k222 kernel: May 23 23:36:22 k222 kernel: pid 8866 (bounce),
uid 125 inumber 23631 on /var: filesystem full
May 23 23:36:22 k222 kernel: May 23 23:36:22 k222 postfix/bounce[8866]:
fatal: append file defer 585FC5C50: No space left on device
May 23 23:36:22 k222 kernel: May 23 23:36:22 k222 postfix/bounce[8867]:
fatal: append file defer 5AD0F5C57: No space left on device
May 23 23:37:24 k222 kernel: May 23 23:37:24 k222 kernel: pid 10832 (bounce),
uid 125 inumber 23638 on /var: filesystem full

ですと・・・May 22 のメールでは

Disk status:
Filesystem     Size    Used   Avail Capacity  Mounted on
/dev/ar0s1a    496M     96M    360M    21%    /
devfs          1.0K    1.0K      0B   100%    /dev
/dev/ar0s1e    496M    398K    456M     0%    /tmp
/dev/ar0s1f    443G     42G    365G    10%    /usr
/dev/ar0s1d    2.9G    1.2G    1.4G    47%    /var
devfs          1.0K    1.0K      0B   100%    /usr/home/scponly/dev

と、まぁ、危なげではあるが、まだ、危険というほどでもないかと・・・？ 思っておりましたが、

  74  16:26   df
Disk status:
Filesystem     Size    Used   Avail Capacity  Mounted on
/dev/ar0s1a    496M     96M    360M    21%    /
devfs          1.0K    1.0K      0B   100%    /dev
/dev/ar0s1e    496M    398K    456M     0%    /tmp
/dev/ar0s1f    443G     42G    365G    10%    /usr
/dev/ar0s1d    2.9G    3.2G   -321M   -12%    /var  <=この行うろおぼえ＾＾
devfs          1.0K    1.0K      0B   100%    /usr/home/scponly/dev

で、対処方法としては、パーティションを切り直す。というのが正攻法なのだろうが、ちょっとコストが高そう（≒めんどくさい＾＾）ので、/var以下の大きいファイル群を余裕のある/usrへ移してslする事にしてみた。副作用が有るかどうかは知らない＾＾

verのなかで、比較的サイズの大きなdbを/usrへ移動する

mkdir /usr/var/
cp -Rp /var/db /usr/var/　　＃シンボリックリンクをそのまま移す
mv /var/db /var/db-stop
ln -s /usr/var/db /var/db

あとは、du -d1 /var 等を行って、ウイルスメールなどを消去



   75  16:26   cd /var
   76  16:26   du
   77  16:28   rm -r /var/amavis/tmp
   78  16:28   df
   79  16:29   du
   80  16:29   rm -r /var/tmp/temproot
   81  16:30   df
   82  16:30   du
   83  16:31   rm /var/log/all.log
   84  16:32   touch /var/log/all.log
   85  16:32   du
   86  16:32   df
   87  16:33   df
   88  16:33   postfix restart
   89  16:34   postfix restart
   90  16:34   postfix start
   91  16:34   postfix restart
   92  16:34   postfix
   93  16:35   touch /var/log/maillog
   94  16:35   postfix
   95  16:35   postfix restart
   96  16:35   postfix reload
   97  16:37   pwd
   98  16:37   cd log
   99  16:37   ll
  100  16:37   reboot
  101  6:46    df
  102  6:46    cd var/
  103  6:46    cd /var
  104  6:47    du
  105  6:47    du -d1
  106  6:48    cd db
  107  6:48    ll
  108  6:49    du
  109  6:49    du -d1
  110  6:49    du -d1
  111  6:50    df
  112  6:51    cd
  113  6:51    cd /var/
  114  6:51    ll
  115  6:52    mkdir /usr/var/db
  116  6:52    mkdir /usr/var
  117  6:52    mkdir /usr/var/db
  118  6:53    cp -rp db /usr/var/db/
  119  6:55    cp -rp db/ /usr/var/db/
  120  6:56    rm -r /usr/var/db/db
  121  6:57    cp -rp db/ /usr/var/db/
  122  7:11    ln -s /usr/var/db /var/db
  123  7:12    df
  124  7:13    mv -rp /var/db-stop/ /usr/var/
  125  7:13    tar cvfzp /usr/var/db-stop.tar.gz /var/db-stop/
  126  8:39    df
  127  8:45    cd /usr/var/db/freebsd-update
  128  8:45    ll
  129  8:46    ln -s install.LGSBoBf465c3739385890c221dff1a05e578c6cae0
d0430e46996d319db7439f884336-rollback
  130  8:47    ln -s install.LGSBoBf465c3739385890c221dff1a05e578c6cae0
d0430e46996d319db7439f884336-rollback
  131  8:47    ln -s install.LGSBoBf465c3739385890c221dff1a05e578c6cae0
d0430e46996d319db7439f884336-rollback
  132  8:48    ll
  133  8:48    cd install.LGSBoB/
  134  8:48    ll
  135  8:48    touch rollback
  136  8:48    ll
  137  8:49    ln -s rollback ../install.hoavcq
  138  8:52    ln -s rollback install.hoavcq
  139  8:52    ll
  140  8:52    rm install.hoavcq
  141  8:52    ll
  142  8:53    ln -s rollback install.hoavcq
  143  8:53    ll
  144  8:53    rminstall.hoavcq
  145  9:00    rm install.hoavcq
  146  9:00    ll
  147  9:00    rm rollback
  148  9:00    cd ../
  149  9:00    ll
  150  9:16    ln -s install.hoavcq install.LGSBoB/rollback
  151  9:17    ln -s install.hoavcq install.hoavcq/rollback
  152  9:17    ln -s install.hoavcq install.hoavcq/rollback
  153  9:18    ll
  154  9:26    ln -s install.hoavcq install.LGSBoB/rollback
  155  9:50    cd db
  156  9:50    history


k222#













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