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On 10.10.2010 01:17, óÅͣΠíÁÒØÑÓÉÎ wrote: |
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> ðÏÐÒÁ×ØÔÅ, ÅÓÌÉ ÏÛÉÂÁÀÓØ... |
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> á ÒÁÚ×Å ÎÅÌØÚÑ ÓÄÅÌÁÔØ ÔÁË? |
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> dd if=/dev/sda of=/dev/sda bs=1M |
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> éÌÉ ÔÕÔ ÔÏÖÅ ÍÏÇÕÔ ÓÒÁÂÏÔÁÔØ ËÁËÉÅ-ÎÉÂÕÄØ ÏÐÔÉÍÉÚÁÃÉÉ?.. |
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> |
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> |
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ëÁË ÐÏËÁÚÁÌ ÜËÓÐÅÒÉÍÅÎÔ, ËÏÎËÒÅÔÎÏ Ó ÂÌÏÞÎÙÍÉ ÕÓÔÒÏÊÓÔ×ÁÍÉ ÍÏÖÎÏ. |
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ïÄÎÁËÏ ÎÅ ÓÔÏÉÔ ÔÁË ÄÅÌÁÔØ ÎÁ ÆÁÊÌÁÈ. |
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âÌÏÞÎÏÅ ÕÓÔÒÏÊÓÔ×Ï: |
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dry@whitestar:/$ dd if=/dev/urandom of=/tmp/test.bin bs=512 count=100000 |
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100000+0 records in |
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100000+0 records out |
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51200000 bytes (51 MB) copied, 8,10841 s, 6,3 MB/s |
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dry@whitestar:~$ sudo losetup /dev/loop0 /tmp/test.bin |
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dry@whitestar:~$ sudo md5sum -b /dev/loop0 |
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d9eb4cc86dbaf8c852dfe52e4f6ad71a */dev/loop0 |
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dry@whitestar:~$ sudo dd if=/dev/loop0 of=/dev/loop0 bs=512 |
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100000+0 records in |
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100000+0 records out |
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51200000 bytes (51 MB) copied, 0,286868 s, 178 MB/s |
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dry@whitestar:~$ sudo md5sum -b /dev/loop0 |
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d9eb4cc86dbaf8c852dfe52e4f6ad71a */dev/loop0 |
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ëÁË ×ÉÄÎÏ ÂÌÏËÉ ÐÅÒÅÐÉÓÁÎÙ, ÈÜÛÉ ÓÏÛÌÉÓØ |
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ôÅÐÅÒØ Ó ÆÁÊÌÏÍ. |
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dry@whitestar:/$ dd if=/dev/urandom of=/tmp/test.bin bs=512 count=100000 |
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100000+0 records in |
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100000+0 records out |
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51200000 bytes (51 MB) copied, 8,10841 s, 6,3 MB/s |
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dry@whitestar:/$ md5sum -b /tmp/test.bin |
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1c8ea98a4f27f98e91ea7e1baeee95ab */tmp/test.bin |
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dry@whitestar:/$ dd if=/tmp/test.bin of=/tmp/test.bin bs=512 |
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0+0 records in |
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0+0 records out |
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0 bytes (0 B) copied, 3,0994e-05 s, 0,0 kB/s |
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dry@whitestar:~$ md5sum -b /tmp/test.bin |
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d41d8cd98f00b204e9800998ecf8427e */tmp/test.bin |
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dry@whitestar:~$ ls -l /tmp/test.bin |
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-rw-r--r-- 1 dry dry 0 2010-10-10 16:11 /tmp/test.bin |
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ëÁË ×ÉÄÎÏ ÞÔÅÎÉÅ ÏÂÏÒ×ÁÌÏÓØ, ËÁË ÔÏÌØËÏ ÆÁÊÌ ÂÙÌ ÏÔËÒÙÔ ÎÁ ÚÁÐÉÓØ, |
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ÞÔÏ × ÏÂÝÅÍ ÏÂßÑÓÎÉÍÏ. |
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