saper's comments

With FreeBSD, bootloader and kernel are stored on the root filesystem. So you can change them as you desire. Only repartitioning is painful a bit.

This got apparently fixed, in my "ams3" instance I've had to issues getting web console to work (needed to "tunefs -n enable /")

> time dd if=/dev/zero of=/tmp/test bs=64k count=16k

16384+0 records in

16384+0 records out

1073741824 bytes transferred in 57.605991 secs (18639412 bytes/sec)

0.023u 6.128s 0:57.61 10.6% 25+172k 7+81916io 3pf+0w

> sudo mount -o nosync -u /

> mount

/dev/gpt/rootfs on / (ufs, local, soft-updates)

devfs on /dev (devfs, local, multilabel)

> time dd if=/dev/zero of=/tmp/test bs=64k count=16k

16384+0 records in

16384+0 records out

1073741824 bytes transferred in 5.135908 secs (209065631 bytes/sec)

0.016u 2.274s 0:05.16 44.1% 24+169k 8+8193io 0pf+0w