S3 deletes files by itself

Question

dears, 
i just found out that S3 deleted my files by itself, don't know why, don't know how?
![Enter image description here](/media/postImages/original/IM32U07-CcQQmoOe7vgCum7Q)
![Enter image description here](/media/postImages/original/IMuX86d469RT-KV9pI6RX1Ew)

is there any log i can find to tell by what happen ?
does anyone know what happen ?

Answer

Hi,

Have you configured a [lifecycle rule](https://docs.aws.amazon.com/AmazonS3/latest/userguide/lifecycle-expire-general-considerations.html) to automatically expire objects older than a certain number of days? You can [review why an S3 object has been deleted](https://repost.aws/knowledge-center/s3-audit-deleted-missing-objects) though server access logs or AWS CloudTrail data events, but both had to be previously enabled on the bucket or CloudTrail.

Answer

Follow below article and verify lifecycle settings 
https://s3browser.com/amazon-s3-object-expiration.aspx#:~:text=Amazon%20S3%20Object%20Expiration%20Overview,-Recently%20Amazon%20S3&text=The%20prefix%20(e.g.%20%22logs%2F,expiration%20rules%20for%20different%20prefixes.

Answer

i didn't enable any lifecycle settings

S3 deletes files by itself

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