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I have TM backup disk made on macOS 11.5.1. I’m having trouble restoring from it. Disk First Aid complains of errors that can’t be fixed. As part of one of the workarounds I’ve been trying, I thought I should be able to copy one of the backup snapshots to a new disk. But I get a bunch of errors. Is this normal?

% sudo ditto /Volumes/backup1/Backups.backupdb/MyMac/2021-07-13-110351 /Volumes/backup1-copy/2021-07-13-110351
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/.VolumeIcon.icns: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/etc: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/apfs_hfs_convert: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/fsck_apfs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/fsck_exfat: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/fsck_hfs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/fsck_msdos: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/fsck_udf: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_acfs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_apfs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_cd9660: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_cddafs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_exfat: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_ftp: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_hfs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_msdos: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_ntfs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/mount_udf: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/newfs_apfs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/newfs_exfat: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/newfs_hfs: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/newfs_msdos: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/sbin/newfs_udf: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKAudiobooks.framework/BKAudiobooks: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKAudiobooks.framework/Resources: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKAudiobooks.framework/Versions/Current: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKBookshelfCommonCore.framework/BKBookshelfCommonCore: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKBookshelfCommonCore.framework/Resources: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKBookshelfCommonCore.framework/Versions/Current: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKCommonCore.framework/BKCommonCore: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKCommonCore.framework/Resources: Operation not supported
ditto: /Volumes/dyb20-1-recovered/2021-07-13-110351/MyMac/System/Applications/Books.app/Contents/Frameworks/BKCommonCore.framework/Versions/Current: Operation not supported
etc.

Before trying the above, I tried dragging in Finder; that got errors for some reason. That’s why I tried su gdd, as a workaround. Later I tried the Finder copy again, and it worked fine. It’s a mystery.

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