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我的备份有一些是用duplicati 2来备份的。一直用得好好的，昨天中午突然遇到同步错误了：
Found 2 files that are missing from the remote storage, please run repair

提示要修复，本以为点击一下修复就能搞定，却没想到不是我想的这么简单，继续提示错误：

The backup storage destination is missing data files. You can either enable `--rebuild-missing-dblock-files` or run the purge command to remove these files. The following files are missing: duplicati-e1d7b394080021567b4ba0be011443f62.dblock.zip.aes, duplicati-bb379b58e5942b404bc4c0cb8fb5c0b49.dblock.zip.aes

UserInformationException: The backup storage destination is missing data files. You can either enable `--rebuild-missing-dblock-files` or run the purge command to remove these files. The following files are missing: duplicati-e1d7b394080021567b4ba0be011443f62.dblock.zip.aes, duplicati-bb379b58e5942b404bc4c0cb8fb5c0b49.dblock.zip.aes

我就按提示去--rebuild-missing-dblock-files，还是报错：

Listing remote folder ...
Failed to perform cleanup for missing file: duplicati-e1d7b394080021567b4ba0be011443f62.dblock.zip.aes, message: Repair not possible, missing 546 blocks.
If you want to continue working with the database, you can use the "list-broken-files" and "purge-broken-files" commands to purge the missing data from the database and the remote storage. => Repair not possible, missing 546 blocks.
If you want to continue working with the database, you can use the "list-broken-files" and "purge-broken-files" commands to purge the missing data from the database and the remote storage.
Failed to perform cleanup for missing file: duplicati-bb379b58e5942b404bc4c0cb8fb5c0b49.dblock.zip.aes, message: Repair not possible, missing 543 blocks.
If you want to continue working with the database, you can use the "list-broken-files" and "purge-broken-files" commands to purge the missing data from the database and the remote storage. => Repair not possible, missing 543 blocks.
If you want to continue working with the database, you can use the "list-broken-files" and "purge-broken-files" commands to purge the missing data from the database and the remote storage.
Return code: 0

最开始不只是两个问题丢失吗？怎么现在五百多个块出问题了？

然后我就去做purge-broken-files，步骤如下：

我自己摸索的，不知道有没有错。

如果不清空的话会报错：

操作 PurgeBrokenFiles 失败，报错：Filters are not supported for this operation => Filters are not supported for this operation
ErrorID: FiltersNotAllowedOnPurgeBrokenFiles
Filters are not supported for this operation
Return code: 100

设置好后执行，看起来好像可以了，搜到网上一些案例，做到这里基本就恢复了。但我的执行一段时间后又报错：

操作 PurgeBrokenFiles 失败，报错：Unable to start the purge process as there are 17677 orphan file(s) => Unable to start the purge process as there are 17677 orphan file(s)

ErrorID: CannotPurgeWithOrphans
Unable to start the purge process as there are 17677 orphan file(s)
Return code: 100

很恐怖，有一万多个孤立文件了，折腾了一整个下午，我也黔驴技穷了。

由于备份的资料比较多，很不想清除并重新重建，目前这情况让我很沮丧。
苦闷一阵后突然想到我有duplicati2的整个数据库的备份啊，而且有多个版本的备份，本次备份出问题前的上一个备份也有。

马上试试，彻底退出duplicati2，找出备份来把这次出错的数据库替换掉，再到远程删除今天备份的几百个数据包，接着启动duplicati2，看起来没异常，有戏，再颤抖的运行备份，经过两小时的备份，完美的又一次同步备份了，没出一点问题，开心，真是庆幸备份了的备份软件的数据。

反思：之前为省事，将上百万的文件一次性的放到一个备份里面，这是非常不合理的，而现在又没法改了，应该多弄几个备份，按需分配，每个备份配置的文件数不超过5万，大小不超过30G作为一个同步会更合适。

更新于:2024-07-10 12:33:49 栏目:技术技巧 关键词:备份,duplicati

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