Re: fdisk +size{K,M,G} is it 2^N or 10^N? Both ,I think

Reece Arnott schreef op vr 16-05-2014 om 19:04 [+1200]:
> K = 2^10 bytes
> M = 2^20 bytes
> G = 2^30 bytes
> KB = 10^3 bytes
> MB = 10^6 bytes
> GB = 10^9 bytes

I was curious, so:

robin@zarathud:/tmp$ dd if=/dev/zero of=test bs=1K count=1
1+0 records gelezen
1+0 records geschreven
1024 bytes (1,0 kB) gekopieerd, 0,000150542 s, 6,8 MB/s
robin@zarathud:/tmp$ ls -l test
-rw-rw-r-- 1 robin robin 1024 mei 20 17:24 test


robin@zarathud:/tmp$ dd if=/dev/zero of=test bs=1M count=1
1+0 records gelezen
1+0 records geschreven
1048576 bytes (1,0 MB) gekopieerd, 0,00187503 s, 559 MB/s
robin@zarathud:/tmp$ ls -l test
-rw-rw-r-- 1 robin robin 1048576 mei 20 17:25 test


robin@zarathud:/tmp$ dd if=/dev/zero of=test bs=1KB count=1
1+0 records gelezen
1+0 records geschreven
1000 bytes (1,0 kB) gekopieerd, 0,000358954 s, 2,8 MB/s
robin@zarathud:/tmp$ ls -l test
-rw-rw-r-- 1 robin robin 1000 mei 20 17:30 test


robin@zarathud:/tmp$ dd if=/dev/zero of=test bs=1MB count=1
1+0 records gelezen
1+0 records geschreven
1000000 bytes (1,0 MB) gekopieerd, 0,00192217 s, 520 MB/s
robin@zarathud:/tmp$ ls -l test
-rw-rw-r-- 1 robin robin 1000000 mei 20 17:30 test


Looks like you're right.

Robin.

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