[Bug 230246] GPT label mishandling

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri Sep 6 02:38:58 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230246

--- Comment #13 from Mason Loring Bliss <mason at blisses.org> ---
# gmirror list
# ls /dev/gpt
efi0    efi1    swap0   swap1   tank0   tank1
# dd if=/dev/zero of=/dev/gpt/efi0 bs=1m
dd: /dev/gpt/efi0: end of device
2+0 records in
1+0 records out
1048576 bytes transferred in 0.171360 secs (6119140 bytes/sec)
# dd if=/dev/zero of=/dev/gpt/efi1 bs=1m
dd: /dev/gpt/efi1: end of device
2+0 records in
1+0 records out
1048576 bytes transferred in 0.012050 secs (87022279 bytes/sec)
# dd if=/dev/zero of=/dev/gpt/swap0 bs=1m
dd: /dev/gpt/swap0: Operation not supported

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