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by fomine3 1789 days ago
I believe parted won't issue TRIM for whole disk/partition after erasing partition table or partition. Possibly mkfs.xfs issues TRIM? I don't know.

Anyway, what they should at least is just issue `blkdiscard /dev/sdb`, or betterly Secure Erase (on SATA) or Sanitize (on NVMe).