交换文件系统比从磁带恢复快，而且还可以保留升级失败的文件系统供进一步诊断。

Swapping the filesystems over is quicker than restoring from tape, and you also have a copy of the failed upgraded filesystem for further diagnostics.

youdao

(重要的是不要忽略这些错误，他们有时指出文件的解析完全的失败了)。

It was important not to ignore these errors, which sometimes indicated that parsing of the file had failed completely.

youdao

如果一个事务在很偶然的情况下因为加锁的文件而失败了，那么这并不会产生实际的问题。

There would also be no real penalty for a transaction failing occasionally due to a locked file.

youdao