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nbd speed + correctness test
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| ➜ ~>cd /tmp | |
| ➜ tmp>dd if=/dev/urandom bs=8M count=640 of=test-random.bin | |
| 640+0 records in | |
| 640+0 records out | |
| 5368709120 bytes (5.4 GB) copied, 466.544 s, 11.5 MB/s | |
| ➜ tmp>mkdir test-mount | |
| ➜ tmp>sudo nbd-client -N test fog.elijah.cs.cmu.edu /dev/nbd0 | |
| [sudo] password for wolf: | |
| Negotiation: ..size = 8192MB | |
| bs=1024, sz=8589934592 bytes | |
| ➜ tmp>sudo mount /dev/nbd0p1 ./test-mount | |
| ➜ tmp>sudo cp test-random.bin ./test-mount/ | |
| ➜ tmp>cmp ./test-mount/test-random.bin ./test-random.bin | |
| ➜ tmp>dd if=./test-mount/test-random.bin of=/dev/null bs=8M | |
| 640+0 records in | |
| 640+0 records out | |
| 5368709120 bytes (5.4 GB) copied, 49.6739 s, 108 MB/s | |
| ➜ tmp>sudo dd if=./test-random.bin of=./test-mount/test-random.bin bs=8M | |
| 640+0 records in | |
| 640+0 records out | |
| 5368709120 bytes (5.4 GB) copied, 111.786 s, 48.0 MB/s | |
| ➜ tmp>cmp ./test-mount/test-random.bin ./test-random.bin | |
| ➜ tmp>sudo umount test-mount | |
| ➜ tmp>sudo nbd-client -d /dev/nbd0 | |
| disconnect, sock, done |
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