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MogileFS 复制不正常,发现文件少于指定的份数解决方法

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近来大家在安装最新的 MogileFS 时,会发现测试的时候,怎么样复制文件的过程都不正常.使用 telnet 到 7001 中使用 !watch 来查看时会不断的报下面的错(详细使用见 MogileFS 高级排错).

!watch
Added you to watcher list.
.
:: Child 10106 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 9, wants 10, making 1.
:: Child 10091 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 9, wants 10, making 1.
:: Child 10121 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 9, wants 10, making 1.
:: Child 10134 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 9, wants 10, making 1.
:: Child 10120 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 9, wants 10, making 1.
:: Child 10135 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 9, wants 10, making 1.
:: Child 10136 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 9, wants 10, making 1.
:: Child 10149 (replicate) died: 256 (UNEXPECTED)
:: Child 10150 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 8, wants 10, making 2.
:: Child 10152 (replicate) died: 256 (UNEXPECTED)
:: Job replicate has only 9, wants 10, making 1.

上次我使用 MogileFS 的 DEBUG 模式跟过这个问题,是由于 Sys::Syscall 这个模块升级成 0.25 的新版本引起的.
我们可以使用下面的命令来检查当前的版本

$ perl -MSys::Syscall-e 'print $Sys::Syscall::VERSION'
0.25

如果发现是显示上面的 0.25 就一定会出问题.建议退回到 0.23 就不会在出问题了.所以建议大家在安装完 MogileFS 后,先退回这个模块到 0.23.

cpanm http://search.cpan.org/CPAN/authors/id/B/BR/BRADFITZ/Sys-Syscall-0.23.tar.gz

二个月以前发现这个问题,近来很多人来问我,发现问题还很严重,特此记录.希望能帮到大家.
ps: 最新的 MogileFS 的客户端连接数据库一定要求要有密码,不然启动会有问题…

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文章信息

作者：扶凯来源：扶凯
标签： MogileFS
发布时间：2013-11-01 13:51:46

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