I recently decided to replace the SD card in my Raspberry Pi and reinstall the system. Without any special backups in place, I turned to rsync to duplicate /var/lib/docker with all my containers, including Nextcloud.

Step #1: I mounted an external hard drive to /mnt/temp.

Step #2: I used rsync to copy the data to /mnt/tmp. See the difference?

Step #3: I reformatted the SD card.

Step #4: I realized my mistake.

Moral: no one is immune to their own stupidity 😂

  • space@lemmy.dbzer0.comEnglish
    1·
    6 months ago

    Fuck up #1: no backups

    Fuck up #2: using SD cards for data storage. SD cards and USB drives are ephemeral storage devices, not to be relied on. Most of the time they use file systems like FAT32 which are far less safe than NTFS or ext4. Use reliable storage media, like hard drives.

    Fuck up #3: no backups.

  • Decronym@lemmy.decronym.xyzBEnglish
    1·
    6 months ago

    Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

    Fewer Letters More Letters
    RAID Redundant Array of Independent Disks for mass storage
    SSD Solid State Drive mass storage
    ZFS Solaris/Linux filesystem focusing on data integrity

    3 acronyms in this thread; the most compressed thread commented on today has 7 acronyms.

    [Thread #537 for this sub, first seen 23rd Feb 2024, 01:55] [FAQ] [Full list] [Contact] [Source code]

  • Nibodhika@lemmy.worldEnglish
    1·
    6 months ago

    If you have one backup, you have no backup. That’s a hard lesson to learn, but if you care about those photos it’s possible to recover them if you haven’t written stuff on that sdcard yet.

    • TWeaK@lemm.eeEnglish
      1·
      6 months ago

      At least 3 backups, 2 different media, 1 offsite location.

      • krash@lemmy.mlEnglish
        1·
        6 months ago

        I like 3-2-1-1-0 better. Like yours, but:

        • the additional 1 is for “offline” (so you have one offsite and offline backup copy).
        • 0 for zero errors. Backups must be tested and verified.
  • Outcide@lemmy.worldEnglish
    1·
    6 months ago

    There’s an old saying, “Unix is user friendly, it’s just fussy about it’s friends.”

    • lando55@lemmy.worldEnglish
      1·
      6 months ago

      Unix is the kind of friend who won’t bat an eye about holding your beer while you go and do something incredibly stupid

  • glasgitarrewelt@feddit.deEnglish
    0·
    6 months ago

    Sorry to hear, I feel you:

    I wanted to delete all .m3u-files in my music collection when I learned:

    find ./ -name "*.m3u" -delete -> this would have been the right way, all .m3u in the current folder would have been deleted.

    find ./ -delete -name "*.m3u" -> WRONG, this just deletes the current folder and everything in it.

    Who would have known, that the position of -delete actually matters.

  • shadowbert@kbin.social
    0·
    6 months ago

    My condolences :'(

    I once lost a bunch of data because I accidently left a / at the end of a path… rsync can be dangerous lol

    • blackbirdbiryani@lemmy.worldEnglish
      1·
      6 months ago

      Rclone is superior IMHO, you have to explicitly name the output folder. Used to think it was a hassle but in hindsight being explicit about the destination reduces mistakes.

      • shadowbert@kbin.social
        2·
        6 months ago

        Sometimes you’re hands are tied by the tools already on the server - but I’ll try to remember to check to see if that’s available next time.

  • helenslunch@feddit.nlEnglish
    01·
    6 months ago

    This is one of many reasons I set up a backup at my parents’ place. Was an extra $200 or so but my most valuable data is backed up there also.

    I also have my favorite photos printed every year.