NAS 快照 "保留目的端已備份檔案" - 儲存設備
By Bennie
at 2020-10-10T05:23
at 2020-10-10T05:23
Table of Contents
關於快照備份 我的理解為(不知正不正確)
1.新增加的檔案會實際產生
2.已存在的檔案 只會建立link
在 不勾選"保留目的端已備份檔案" 的狀態下:
假如昨天晚上第一次備份
備份了abcde五個文件檔
今天早上我操作文件時
把cde刪除
今天晚上執行快照備份時(差異備份)
它是會去全備份那邊 把cde實際的檔案刪掉嗎?
因為如果是把cde實際檔案刪掉
那不就沒辦法復原回去第一天晚上abcde的狀態了?
所以我在想
或者他是abcde實際檔案仍保留
但在今天晚上備份時
是產生cde文件 "負的link" ?
因為這樣若要復原 就可以回到第一天abcde晚上的狀態
先謝謝回覆!
--
1.新增加的檔案會實際產生
2.已存在的檔案 只會建立link
在 不勾選"保留目的端已備份檔案" 的狀態下:
假如昨天晚上第一次備份
備份了abcde五個文件檔
今天早上我操作文件時
把cde刪除
今天晚上執行快照備份時(差異備份)
它是會去全備份那邊 把cde實際的檔案刪掉嗎?
因為如果是把cde實際檔案刪掉
那不就沒辦法復原回去第一天晚上abcde的狀態了?
所以我在想
或者他是abcde實際檔案仍保留
但在今天晚上備份時
是產生cde文件 "負的link" ?
因為這樣若要復原 就可以回到第一天abcde晚上的狀態
先謝謝回覆!
--
Tags:
儲存設備
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