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theonewolf/nbd-speed-correctness.log

Last active August 29, 2015 14:09
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nbd speed + correctness test
Raw
nbd-speed-correctness.log
➜ ~>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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