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Langue: ru
Version: þÔ× äÅË 17 10:15:53 1992 (openSuse - 09/10/07)
Section: 4 (Pilotes et protocoles réseau)
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sd - ÄÒÁÊ×ÅÒ ÄÌÑ ÄÉÓËÏ×ÙÈ ÎÁËÏÐÉÔÅÌÅÊ SCSIëòáôëáñ ó÷ïäëá
#include <linux/hdreg.h> /* ÄÌÑ HDIO_GETGEO */ #include <linux/fs.h> /* ÄÌÑ BLKGETSIZE É BLKRRPART */ëïîæéçõòáãéñ
îÁÚ×ÁÎÉÅ ÂÌÏÞÎÏÇÏ ÕÓÔÒÏÊÓÔ×Á ÉÍÅÅÔ ÆÏÒÍÕ: sdlp, ÇÄÅ l~-- ÂÕË×Á, ÏÐÒÅÄÅÌÑÀÝÁÑ ÆÉÚÉÞÅÓËÉÊ ÄÉÓË, Á p~-- ÞÉÓÌÏ, ÏÐÒÅÄÅÌÑÀÝÅÅ ÒÁÚÄÅÌ ÎÁ ÜÔÏÍ Ö£ÓÔËÏÍ ÄÉÓËÅ. úÁÞÁÓÔÕÀ ÎÏÍÅÒ ÒÁÚÄÅÌÁ p ÏÐÕÓËÁÅÔÓÑ, ÅÓÌÉ ÕÓÔÒÏÊÓÔ×Ï ÓÏÏÔ×ÅÔÓÔ×ÕÅÔ ×ÓÅÍÕ ÄÉÓËÕ.äÉÓËÉ SCSI ÉÍÅÀÔ ÓÔÁÒÛÉÊ ÎÏÍÅÒ ÕÓÔÒÏÊÓÔ×Á 8, Á ÍÌÁÄÛÉÊ ÎÏÍÅÒ ÕÓÔÒÏÊÓÔ×Á × ÆÏÒÍÅ (16 * ÎÏÍÅÒ_ÄÉÓËÁ) + ÎÏÍÅÒ_ÒÁÚÄÅÌÁ, ÇÄÅ ÎÏÍÅÒ_ÄÉÓËÁ~-- ÎÏÍÅÒ ÆÉÚÉÞÅÓËÏÇÏ ÄÉÓËÁ × ÐÏÒÑÄËÅ ÏÂÎÁÒÕÖÅÎÉÑ ÓÉÓÔÅÍÏÊ, Á partition_number ÏÐÒÅÄÅÌÑÅÔÓÑ ÓÌÅÄÕÀÝÉÍ ÏÂÒÁÚÏÍ:
ÒÁÚÄÅÌ 0 -- ÜÔÏ ×ÅÓØ ÄÉÓË
ÒÁÚÄÅÌÙ 1-4 -- ÐÅÒ×ÉÞÎÙÅ ÒÁÚÄÅÌÙ DOS
ÒÁÚÄÅÌÙ 5-8 -- ÒÁÓÛÉÒÅÎÎÙÅ (ÉÌÉ ÌÏÇÉÞÅÓËÉÅ) ÒÁÚÄÅÌÙ DOS
îÁÐÒÉÍÅÒ, /dev/sda ÂÕÄÅÔ ÉÍÅÔØ ÓÔÁÒÛÉÊ ÎÏÍÅÒ 8, ÍÌÁÄÛÉÊ 0, É ÏÔÎÏÓÉÔØÓÑ Ë ÃÅÌÏÍÕ ÐÅÒ×ÏÍÕ SCSI-ÄÉÓËÕ × ÓÉÓÔÅÍÅ; /dev/sdb3 ÂÕÄÅÔ ÉÍÅÔØ ÓÔÁÒÛÉÊ ÎÏÍÅÒ 8, ÍÌÁÄÛÉÊ 19, É ÏÔÎÏÓÉÔØÓÑ Ë ÔÒÅÔØÅÍÕ ÐÅÒ×ÉÞÎÏÍÕ ÒÁÚÄÅÌÕ DOS ÎÁ ×ÔÏÒÏÍ SCSI-ÄÉÓËÅ × ÓÉÓÔÅÍÅ.
îÁ ÄÁÎÎÙÊ ÍÏÍÅÎÔ ÐÒÅÄÏÓÔÁ×ÌÑÅÔÓÑ ÄÏÓÔÕÐ ÔÏÌØËÏ Ë ÂÌÏÞÎÙÍ ÕÓÔÒÏÊÓÔ×ÁÍ. õÓÔÒÏÊÓÔ×Á Ó ÐÒÑÍÙÍ ÄÏÓÔÕÐÏÍ (raw devices) ÅÝ£ ÎÅ ÒÅÁÌÉÚÏ×ÁÎÙ.
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äÏÓÔÕÐÎÙ ÓÌÅÄÕÀÝÉÅ ×ÙÚÏ×Ù ioctl:- HDIO_GETGEO
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- ÷ÏÚ×ÒÁÝÁÅÔ ÐÁÒÁÍÅÔÒÙ ÄÉÓËÁ ÏÔ BIOS × ÓÌÅÄÕÀÝÅÊ ÓÔÒÕËÔÕÒÅ:
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struct hd_geometry { unsigned char heads; unsigned char sectors; unsigned short cylinders; unsigned long start; };
õËÁÚÁÔÅÌØ ÎÁ ÜÔÕ ÓÔÒÕËÔÕÒÕ ÐÅÒÅÄÁ£ÔÓÑ ËÁË ÁÒÇÕÍÅÎÔ ioctl(2).
éÎÆÏÒÍÁÃÉÑ, ×ÏÚ×ÒÁÝÁÅÍÁÑ × ÁÒÇÕÍÅÎÔÅ, Ñ×ÌÑÅÔÓÑ ÇÅÏÍÅÔÒÉÅÊ ÄÉÓËÁ ËÁË ÜÔÏ ÐÏÎÉÍÁÅÔÓÑ × DOS! üÔÏ ÎÅ ÅÓÔØ ÆÉÚÉÞÅÓËÁÑ ÇÅÏÍÅÔÒÉÑ ÄÉÓËÁ. ïÄÎÁËÏ, ÏÎÁ ÉÓÐÏÌØÚÕÅÔÓÑ ÐÒÉ ÆÏÒÍÉÒÏ×ÁÎÉÉ ÔÁÂÌÉÃÙ ÒÁÚÄÅÌÏ× ÎÁ ÄÉÓËÅ É ÎÅÏÂÈÏÄÉÍÁ ÄÌÑ ÕÄÏÂÎÏÊ ÒÁÂÏÔÙ fdisk(1),efdisk(1), É lilo(1). åÓÌÉ ÉÎÆÏÒÍÁÃÉÑ Ï ÇÅÏÍÅÔÒÉÉ ÎÅÄÏÓÔÕÐÎÁ, ×ÓÅ ×ÏÚ×ÒÁÝÁÅÍÙÅ ÐÁÒÁÍÅÔÒÙ ÂÕÄÕÔ ÒÁ×ÎÙ ÎÕÌÀ.
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- BLKGETSIZE
- ÷ÏÚ×ÒÁÝÁÅÔ ÒÁÚÍÅÒ ÕÓÔÒÏÊÓÔ×Á × ÓÅËÔÏÒÁÈ. ðÁÒÁÍÅÔÒÏÍ ioctl(2) ÄÏÌÖÅÎ ÂÙÔØ ÕËÁÚÁÔÅÌØ ÎÁ long.
- BLKRRPART
- ðÒÉ×ÏÄÉÔ Ë ÐÅÒÅÞÉÔÙ×ÁÎÉÀ ÔÁÂÌÉÃÙ ÒÁÚÄÅÌÏ× SCSI ÄÉÓËÁ. ÷ ÐÁÒÁÍÅÔÒÁÈ ÎÅ ÎÕÖÄÁÅÔÓÑ.
ôÁËÖÅ ÐÏÄÄÅÒÖÉ×ÁÀÔÓÑ ×ÙÚÏ×Ù ioctl, ÏÐÉÓÁÎÎÙÅ × scsi(4). åÓÌÉ ÐÁÒÁÍÅÔÒ ioctl(2) ÎÅÏÂÈÏÄÉÍ É ÒÁ×ÅÎ NULL, ÔÏ ioctl() ×ÏÚ×ÒÁÔÉÔ -EINVAL.
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/dev/sd[a-h]: ÃÅÌÏÅ ÕÓÔÒÏÊÓÔ×Ï/dev/sd[a-h][0-8]: ÏÔÄÅÌØÎÙÅ ÂÌÏÞÎÙÅ ÒÁÚÄÅÌÙ
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