Rechercher une page de manuel

st

Langue: ja

Autres versions - même langue

Version: 2005-03-13 (openSuse - 09/10/07)

Autres sections - même nom

8 (Commandes administrateur)

Section: 4 (Pilotes et protocoles réseau)

Sommaire

Ì¾Á°
½ñ¼°
ÀâÌÀ
ÊÖ¤êÃÍ
¥Õ¥¡¥¤¥ë
Ãø¼Ô
Ãí°Õ
´ØÏ¢¹àÌÜ

Ì¾Á°

st - SCSI ¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹

½ñ¼°


#include <sys/mtio.h>



int ioctl(int fd, int request [, (void *)arg3]);

int ioctl(int fd, MTIOCTOP, (struct mtop *)mt_cmd);

int ioctl(int fd, MTIOCGET, (struct mtget *)mt_status);

int ioctl(int fd, MTIOCPOS, (struct mtpos *)mt_pos);

ÀâÌÀ

st ¥É¥é¥¤¥Ð¡¼¤ÏÍÍ¡¹¤Ê SCSI ¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹¤Î¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤òÄó¶¡¤¹¤ë¡£ ¸½ºß¤Ç¤Ï¡¢¥É¥é¥¤¥Ð¡¼¤Ï¸¡½Ð¤µ¤ì¤¿Á´¤Æ¤Î "¥·¡¼¥±¥ó¥·¥ã¥ë¥¢¥¯¥»¥¹(sequential-access)" ¥¿¥¤¥×¤Î¥Ç¥Ð¥¤¥¹¤Ø¤Î À©¸æ¤ò¹Ô¤¦¡£ st ¥É¥é¥¤¥Ð¡¼¤Ï¥á¥¸¥ã¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ 9 ¤òÍÑ¤¤¤ë¡£

¤½¤ì¤¾¤ì¤Î¥Ç¥Ð¥¤¥¹¤Ï 8 ¤Ä¤Î¥Þ¥¤¥Ê¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ¤ò»È¤¦¡£ ¥Þ¥¤¥Ê¡¼ÈÖ¹æ¤ÎÄã°ÌÂ¦¤Î 5 ¥Ó¥Ã¥È¤Ï¡¢¸¡½Ð¤µ¤ì¤¿½ç¤Ë³ä¤êÅö¤Æ¤é¤ì¤ë¡£ ¥«¡¼¥Í¥ë 2.6 ¤Ç¤Ï¡¢ Äã°ÌÂ¦ 8 ¥Ó¥Ã¥È¤è¤ê¤â¾å°Ì¤Ë¤¢¤ë¥Ó¥Ã¥È·²¤¬¤³¤Î 5 ¥Ó¥Ã¥È¤ËÏ¢·ë (concatenate) ¤µ¤ì¡¢¥Æ¡¼¥ÖÈÖ¹æ¤È¤Ê¤ë¡£ ¥Þ¥¤¥Ê¡¼ÈÖ¹æ¤Ï¡¢¤½¤ì¤¾¤ì 4 ¤Ä¤Î¿ô»ú¤«¤é¤Ê¤ëÆó¤Ä¤Î¥»¥Ã¥È¤Ë ¥°¥ë¡¼¥×Ê¬¤±¤µ¤ì¤ë¡£ ´ðËÜ (¼«Æ°´¬¤Ìá¤·) ¥Ç¥Ð¥¤¥¹ÈÖ¹æ n¡¢ ¤ª¤è¤Ó "Èó´¬¤Ìá¤·(no-rewind)" ¥Ç¥Ð¥¤¥¹ÈÖ¹æ (n+ 128) ¤Ç¤¢¤ë¡£ ´ðËÜ¥Ç¥Ð¥¤¥¹ÈÖ¹æ¤òÍÑ¤¤¤Æ¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Ç¥Ð¥¤¥¹¤Ë¤Ï¡¢ ¥¯¥í¡¼¥º¤¹¤ë»þ¤Ë REWIND ¥³¥Þ¥ó¥É¤¬Á÷¤é¤ì¤ë¡£ "Èó´¬¤Ìá¤·" ¥Ç¥Ð¥¤¥¹ÈÖ¹æ¤òÍÑ¤¤¤Æ¥ª¡¼¥×¥ó¤µ¤ì¤¿¾ì¹ç¤Ï REWIND ¥³¥Þ¥ó¥É¤ÏÁ÷¤é¤ì¤Ê¤¤ (¼«Æ°´¬¤Ìá¤·¥Ç¥Ð¥¤¥¹¤ò¥Æ¡¼¥×¤Î°ÌÃÖ·è¤á¤Ë (Îã¤¨¤Ð mt ¤Ç) ÍÑ¤¤¤Æ¤â¡¢ Ë¾¤à·ë²Ì¤ÏÆÀ¤é¤ì¤Ê¤¤¡£¥Æ¡¼¥×¤Ï mt ¥³¥Þ¥ó¥É¤Î¸å¤Ç´¬¤Ìá¤µ¤ì¡¢ ¼¡¤Î¥³¥Þ¥ó¥É¤Ï¥Æ¡¼¥×¤ÎÀèÆ¬¤«¤é»Ï¤Þ¤Ã¤Æ¤·¤Þ¤¦)¡£

¥Ç¥Ð¥¤¥¹¤ÏÉáÄÌ¼¡¤Î¤è¤¦¤Ëºî¤é¤ì¤ë:




mknod -m 666 /dev/st0 c 9 0

mknod -m 666 /dev/st0l c 9 32

mknod -m 666 /dev/st0m c 9 64

mknod -m 666 /dev/st0a c 9 96

mknod -m 666 /dev/nst0 c 9 128

mknod -m 666 /dev/nst0l c 9 160

mknod -m 666 /dev/nst0m c 9 192

mknod -m 666 /dev/nst0a c 9 224

¤³¤ì¤é¤Ë¤ÏÂÐ±þ¤¹¤ë¥Ö¥í¥Ã¥¯¥Ç¥Ð¥¤¥¹¤ÏÂ¸ºß¤·¤Ê¤¤¡£

¥É¥é¥¤¥Ð¤Ï¥É¥é¥¤¥Ö¤Î¥á¡¼¥«¤ä¥â¥Ç¥ë¤òÆÃÄê¤·¤Æ¥µ¥Ý¡¼¥È¤¹¤ë¤ï¤±¤Ç¤Ï¤Ê¤¤¡£ ¥·¥¹¥Æ¥à¤¬µ¯Æ°¤¹¤ë¤È¡¢¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹¤Î¥ª¥×¥·¥ç¥ó¤¬¥É¥é¥¤¥Ö¤Î ¥Õ¥¡¡¼¥à¥¦¥§¥¢¤Ë¤è¤Ã¤ÆÄêµÁ¤µ¤ì¤ë¡£Îã¤¨¤Ð¡¢ ¥É¥é¥¤¥Ö¤Î¥Õ¥¡¡¼¥à¥¦¥§¥¢¤¬¸ÇÄêÄ¹¥Ö¥í¥Ã¥¯¥â¡¼¥É¤òÁªÂò¤¹¤ì¤Ð¡¢ ¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹¤Ï¸ÇÄêÄ¹¥Ö¥í¥Ã¥¯¥â¡¼¥É¤ò»È¤¦¤³¤È¤Ë¤Ê¤ë¡£¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï ioctl(2) ¥³¡¼¥ë¤òÌÀ¼¨Åª¤Ë»È¤¨¤ÐÊÑ¹¹¤Ç¤¡¢ ¤½¤ÎÊÑ¹¹¤Ï¥Ç¥Ð¥¤¥¹¤¬¥¯¥í¡¼¥º¤µ¤ì¤ÆºÆ¤Ó¥ª¡¼¥×¥ó¤µ¤ì¤¿¤È¤¤â»Ä¤ë¡£ ¥ª¥×¥·¥ç¥ó¤ÎÀßÄê¤Ï¡¢ ¼«Æ°´¬¤Ìá¤·¥Ç¥Ð¥¤¥¹¤ÈÈó´¬¤Ìá¤·¥Ç¥Ð¥¤¥¹¤ÎÎ¾Êý¤Ë±Æ¶Á¤¹¤ë¡£

¥«¡¼¥Í¥ë 2.6.2 °Ê¹ß¤Ç¤Ï¡¢¤³¤Î¥É¥é¥¤¥Ð¤Ï sysfs ¥Ç¥£¥ì¥¯¥È¥ê /sys/class/scsi_tape ¤Ë¡¢¥¢¥¿¥Ã¥Á¤·¤¿¥Ç¥Ð¥¤¥¹¤È¤½¤Î¥Ç¥Ð¥¤¥¹¤Ë³äÅö¤Æ¤¿¥Ñ¥é¥á¡¼¥¿¤ò¥¨¥¯¥¹¥Ý¡¼¥È¤¹¤ë¡£

¥Ç¡¼¥¿Å¾Á÷

2.6 ¥«¡¼¥Í¥ë¤Ç¤Ï¡¢¤³¤Î¥É¥é¥¤¥Ð¤Ï¥æ¡¼¥¶¥Ð¥Ã¥Õ¥¡¤È¥Ç¥Ð¥¤¥¹´Ö¤Ç¡¢ ¥Ç¡¼¥¿¤ÎÄ¾ÀÜÅ¾Á÷ (direct transfer) ¤ò»î¤ß¤ë¡£ ¤³¤ì¤¬ÉÔ²ÄÇ½¤Ê¾ì¹ç¤Ï¡¢¥É¥é¥¤¥Ð¤ÎÆâÉô¥Ð¥Ã¥Õ¥¡¤òÍÑ¤¤¤ë¡£ Ä¾ÀÜÅ¾Á÷¤¬¤Ç¤¤Ê¤¤ÍýÍ³¤È¤·¤Æ¤Ï¡¢¥æ¡¼¥¶¥Ð¥Ã¥Õ¥¡¤Î¥¢¥é¥¤¥ó¥á¥ó¥È¤¬Å¬ÀÚ¤Ç¤Ê¤¤ (¥Ç¥Õ¥©¥ë¥È¤Ï 512 ¥Ð¥¤¥È¤À¤¬ HBA ¥É¥é¥¤¥Ð¤Ë¤è¤Ã¤ÆÊÑ¹¹¤µ¤ì¤Æ¤¤¤ë²ÄÇ½À¤¬¤¢¤ë)¡¢ ¥æ¡¼¥¶¥Ð¥Ã¥Õ¥¡¤Î¥Ú¡¼¥¸¤Î¤É¤ì¤«¤¬ SCSI ¥¢¥À¥×¥¿¤«¤é¸«¤¨¤Ê¤¤¡¢ ¤Ê¤É¤¬¹Í¤¨¤é¤ì¤ë¡£

ÆÉ¤ß¹þ¤ß»þ¤Ë¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤Ë½Ð²ñ¤¦¤È¡¢°Ê²¼¤¬¼Â¹Ô¤µ¤ì¤ë¡£ ¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤¬¸«ÉÕ¤«¤Ã¤¿¤È¤¤Ë¥Ð¥Ã¥Õ¥¡¤Ë¥Ç¡¼¥¿¤¬»Ä¤Ã¤Æ¤¤¤ë¤È¡¢ ¥Ð¥Ã¥Õ¥¡¤Î¥Ç¡¼¥¿¤¬ÊÖ¤µ¤ì¤ë¡£¼¡¤ÎÆÉ¤ß¹þ¤ßÁàºî¤Ï 0 ¥Ð¥¤¥È¤òÊÖ¤¹¡£ ¤½¤Î¼¡¤ÎÆÉ¤ß¹þ¤ß¤Ï¼¡¤Î¥Õ¥¡¥¤¥ë¤«¤é¤Î¥Ç¡¼¥¿¤òÊÖ¤¹¡£ µÏ¿¥Ç¡¼¥¿¤ÎËöÈø¤Ï¡¢ÆÉ¤ß¹þ¤ßÁàºî¤¬Æó²óÂ³¤±¤Æ 0 ¥Ð¥¤¥È¤òÊÖ¤·¤ÆÍè¤ë¤«¤¿¤Á¤ÇÄÌÃÎ¤µ¤ì¤ë¡£»°²óÌÜ¤ÎÆÉ¤ß¹þ¤ß¤Ï¥¨¥é¡¼¤òÊÖ¤¹¡£

ioctl

¥É¥é¥¤¥Ð¤Ï 3 ¤Ä¤Î ioctl(2) Í×µá¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¡£ st ¥É¥é¥¤¥Ð¤Ë¤è¤Ã¤ÆÇ§¼±¤µ¤ì¤Ê¤«¤Ã¤¿Í×µá¤Ï SCSI ¥É¥é¥¤¥Ð¤Ë¤ï¤¿¤µ¤ì¤ë¡£ °Ê²¼¤ÎÄêµÁ¤Ï /usr/include/linux/mtio.h ¤Ë¤è¤ë¡£

MTIOCTOP --- ¥Æ¡¼¥×Áàºî¤Î¼Â¹Ô

¤³¤ÎÍ×µá¤Ï (struct mtop *) ·¿¤Î°ú¿ô¤ò¤È¤ë¡£Á´¤Æ¤Î¥É¥é¥¤¥Ö¤¬Á´¤Æ¤ÎÁàºî¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¤ï¤±¤Ç¤Ï¤Ê¤¤¡£ ¥É¥é¥¤¥Ö¤¬Áàºî¤òµñÈÝ¤¹¤ë¤È¡¢¥É¥é¥¤¥Ð¤Ï EIO ¥¨¥é¡¼¤òÊÖ¤¹¡£


/* Structure for MTIOCTOP - mag tape op command: */

struct mtop {

    short   mt_op;       /* operations defined below */

    int     mt_count;    /* how many of them */

};

ÄÌ¾ï¤Î¥Æ¡¼¥×ÍøÍÑ¤Î¤¿¤á¤Î¼§µ¤¥Æ¡¼¥×Áàºî:

MTBSF: mt_count ¸Ä¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯(filemark)Ê¬¤Î¸åÊý¥¹¥Ú¡¼¥¹(backward space)¡£
MTBSFM: mt_count ¸Ä¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯Ê¬¤Î¸åÊý¥¹¥Ú¡¼¥¹¡£ ¥Æ¡¼¥×¤Î°ÌÃÖ¤òºÇ¸å¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤Î EOT Â¦¤ËÊÑ¹¹¤¹¤ë¡£
MTBSR: mt_count ¸Ä¤Î¥ì¥³¡¼¥É(¥Æ¡¼¥×¥Ö¥í¥Ã¥¯)Ê¬¤Î¸åÊý¥¹¥Ú¡¼¥¹¡£
MTBSS: mt_count ¸Ä¤Î¥»¥Ã¥È¥Þ¡¼¥¯Ê¬¤Î¸åÊý¥¹¥Ú¡¼¥¹¡£
MTCOMPRESSION: mt_count ¤¬ 0 °Ê³°¤Ê¤é¡¢¥É¥é¥¤¥Ö¤Î¥Ç¡¼¥¿°µ½Ì¤òÍ¸ú¤Ë¤¹¤ë¡£ 0 ¤Ê¤é°µ½Ì¤òÌµ¸ú¤Ë¤¹¤ë¡£¤³¤Î¥³¥Þ¥ó¥É¤Ï MODE ¥Ú¡¼¥¸ 15 ¤òÍÑ¤¤¤ë¡£ ¤³¤ì¤Ï¤Û¤È¤ó¤É¤Î DAT ¤Ç¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¡£
MTEOM: (¥Õ¥¡¥¤¥ë¤òÄÉ²Ã¤¹¤ë¤¿¤á¤Ë) ¥á¥Ç¥£¥¢¤ÎµÏ¿ÉôÊ¬¤ÎºÇ¸å¤Þ¤Ç¿Ê¤á¤ë¡£
MTERASE: ¥Æ¡¼¥×¤ÎÆâÍÆ¤ò¾Ãµî¤¹¤ë¡£ 2.6 ¥«¡¼¥Í¥ë¤Ç¤Ï¡¢°ú¿ô¤¬ 0 ¤Ê¤é¤Ð short erase (¥Æ¡¼¥×¤¬¶õ¤À¤È°õ¤ò¤Ä¤±¤ë) ¤ò¹Ô¤¦¡£¤½¤ì°Ê³°¤Î¾ì¹ç¤Ï long erase (Á´ÂÎ¤ò¾Ãµî¤¹¤ë) ¤ò¹Ô¤¦¡£
MTFSF: mt_count ¸Ä¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯Ê¬¤ÎÁ°Êý¥¹¥Ú¡¼¥¹(forward space)¡£
MTFSFM: mt_count ¸Ä¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯Ê¬¤ÎÁ°Êý¥¹¥Ú¡¼¥¹¡£ ¥Æ¡¼¥×¤Î°ÌÃÖ¤ÏºÇ¸å¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤Î BOT Â¦ÊÑ¹¹¤µ¤ì¤ë¡£
MTFSR: mt_count ¸Ä¤Î¥ì¥³¡¼¥É(¥Æ¡¼¥×¥Ö¥í¥Ã¥¯)Ê¬¤ÎÁ°Êý¥¹¥Ú¡¼¥¹¡£
MTFSS: mt_count ¸Ä¤Î¥»¥Ã¥È¥Þ¡¼¥¯Ê¬¤ÎÁ°Êý¥¹¥Ú¡¼¥¹¡£
MTLOAD: SCSI ¥í¡¼¥É¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë¡£ HP ¥ª¡¼¥È¥í¡¼¥À¤Ë¸Â¤Ã¤ÆÍøÍÑ¤Ç¤¤ë¡£ mt_count ¤¬Äê¿ô MT_ST_HPLOADER_OFFSET ¤È¤¢¤ë¿ôÃÍ¤ÎÏÂ¤Ç¤¢¤ë¾ì¹ç¡¢ ¤½¤Î¿ôÃÍ¤¬¥É¥é¥¤¥Ö¤ËÁ÷¤é¤ì¡¢¥ª¡¼¥È¥í¡¼¥À¤ÎÀ©¸æ¤ËÍÑ¤¤¤é¤ì¤ë¡£
MTLOCK: ¥Æ¡¼¥×¥É¥é¥¤¥Ö¤ÎÈâ¤ò¥í¥Ã¥¯¤¹¤ë¡£
MTMKPART: ¥Æ¡¼¥×¤ò 1 ¤Þ¤¿¤Ï 2 ¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Ë¥Õ¥©¡¼¥Þ¥Ã¥È¤¹¤ë¡£ mt_count ¤¬ 0 ¤Ç¤Ê¤±¤ì¤Ð¡¢¤³¤ì¤¬ºÇ½é¤Î¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Î¥µ¥¤¥º¤òÍ¿¤¨¡¢ ÆóÈÖÌÜ¤Î¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤¬¥Æ¡¼¥×¤Î»Ä¤ê¤Ë¤Ê¤ë¡£ mt_count ¤¬ 0 ¤Î¾ì¹ç¤Ï¡¢¥Æ¡¼¥×¤Ï°ì¤Ä¤Î¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤È¤·¤Æ¥Õ¥©¡¼¥Þ¥Ã¥È¤µ¤ì¤ë¡£ ¤³¤Î¥³¥Þ¥ó¥É¤Ï¡¢¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Î¥µ¥Ý¡¼¥È¤¬Í¸ú¤Ë¤µ¤ì¤¿ ¥É¥é¥¤¥Ö¤Ç¤Ê¤±¤ì¤Ð»È¤¨¤Ê¤¤ (°Ê²¼¤Î MT_ST_CAN_PARTITIONS ¤ò¸«¤è)¡£
MTNOP: ²¿¤âÁàºî¤ò¹Ô¤ï¤Ê¤¤¡£- Éû¼¡Åª¤Ê¸ú²Ì¤È¤·¤Æ¡¢¥É¥é¥¤¥Ð¡¼¤Î¥Ð¥Ã¥Õ¥¡ ¤ò¥Õ¥é¥Ã¥·¥å¤¹¤ë MTIOCGET ¤ò»È¤Ã¤Æ¾õÂÖ¤òÆÉ¤ß½Ð¤¹Á°¤Ë¤Ï¤³¤ÎÁàºî¤ò¹Ô¤¦¤Ù¤¤Ç¤¢¤ë¡£
MTOFFL: ´¬¤Ìá¤·(rewind)¤ò¹Ô¤¤¡¢¥É¥é¥¤¥Ö¤ò¥ª¥Õ¥é¥¤¥ó(off line)¤Ë¤¹¤ë¡£
MTRESET: ¥É¥é¥¤¥Ö¤ò¥ê¥»¥Ã¥È¤¹¤ë¡£
MTRETEN: ¥Æ¡¼¥×¤ò¥ê¥Æ¥ó¥·¥ç¥ó (re-tension) ¤¹¤ë (¥Æ¡¼¥×¤òºÇ¸å¤Þ¤Ç´¬¤¤¤¿¸å¡¢ºÇ½é¤Þ¤Ç´¬¤Ìá¤¹)¡£
MTREW: ´¬¤Ìá¤·¡£
MTSEEK: mt_count ¤Ç»ØÄê¤µ¤ì¤¿¥Æ¡¼¥×¥Ö¥í¥Ã¥¯ÈÖ¹æ¤ò¥·¡¼¥¯¤¹¤ë¡£ ¤³¤ÎÁàºî¤¬¹Ô¤¨¤ë¤Î¤Ï¡¢ LOCATE ¥³¥Þ¥ó¥É (¥Ç¥Ð¥¤¥¹¸ÇÍ¤Î¥¢¥É¥ì¥¹) ¤ò¥µ¥Ý¡¼¥È¤¹¤ë SCSI-2 ¥É¥é¥¤¥Ö¤«¡¢¤¢¤ë¤¤¤Ï Tandberg ¸ß´¹¤Î SCSI-1 ¥É¥é¥¤¥Ö(Tandberg, Archive, Viper, Wangtek,¡Ä)¤Ç¤¢¤ë¡£ ¥Ç¥Ð¥¤¥¹¸ÇÍ¤Î¥¢¥É¥ì¥¹¤¬ÍøÍÑ¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¥Ö¥í¥Ã¥¯ÈÖ¹æ¤Ï °ÊÁ°¤Ë MTIOCPOS ¤Ë¤è¤Ã¤ÆÊÖ¤µ¤ì¤¿¤â¤Î¤Ë¤¹¤Ù¤¤Ç¤¢¤ë¡£
MTSETBLK: mt_count ¤ÎÃÍ¤ò¥É¥é¥¤¥Ö¤Î¥Ö¥í¥Ã¥¯Ä¹(block length)¤È¤·¤Æ¥»¥Ã¥È¤¹¤ë¡£ ¥Ö¥í¥Ã¥¯Ä¹¤ò 0 ¤Ë¤¹¤ë¤È¥É¥é¥¤¥Ö¤Ï²ÄÊÑÄ¹¥Ö¥í¥Ã¥¯¥µ¥¤¥º¥â¡¼¥É¤Ë¥»¥Ã ¥È¤µ¤ì¤ë¡£
MTSETDENSITY: ¥Æ¡¼¥×Ì©ÅÙ(tape density)¤ò mt_count ¤Ç¼¨¤µ¤ì¤ë¥³¡¼¥É¤ËÊÑ¹¹¤¹¤ë¡£¥É¥é¥¤¥Ö¤Ç¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ëÌ©ÅÙ¥³¡¼¥É ¤Ë¤Ä¤¤¤Æ¤Ï¡¢¥É¥é¥¤¥Ö¤ÎÊ¸½ñ¤Ë½ñ¤¤¤Æ¤¢¤ë¤À¤í¤¦¡£
MTSETPART: ¥¢¥¯¥Æ¥£¥Ö¤Ê¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤òÂè mt_count ÈÖÌÜ¤ËÀÚ¤êÂØ¤¨¤ë¡£¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Ï 0 ¤«¤é¿ô¤¨¤ë¡£ ¤³¤Î¥³¥Þ¥ó¥É¤Ï¡¢¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Î¥µ¥Ý¡¼¥È¤¬Í¸ú¤Ë¤µ¤ì¤¿ ¥É¥é¥¤¥Ö¤Ç¤Ê¤±¤ì¤Ð»È¤¨¤Ê¤¤ (°Ê²¼¤Î MT_ST_CAN_PARTITIONS ¤ò¸«¤è)¡£
MTUNLOAD: SCSI unload ¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë (¥Æ¡¼¥×¤Î¥¤¥¸¥§¥¯¥È¤Ï¹Ô¤ï¤Ê¤¤)¡£
MTUNLOCK: ¥Æ¡¼¥×¥É¥é¥¤¥Ö¤ÎÈâ¤Î¥í¥Ã¥¯¤ò²ò½ü¤¹¤ë¡£
MTWEOF: mt_count ¸Ä¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤ò½ñ¤¹þ¤à¡£
MTWSM: mt_count ¸Ä¤Î¥»¥Ã¥È¥Þ¡¼¥¯¤ò½ñ¤¹þ¤à¡£

¥Ç¥Ð¥¤¥¹¥ª¥×¥·¥ç¥ó¤ÎÀßÄê¤Î¤¿¤á¤Î (¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¤Ë¤è¤ë) ¼§µ¤¥Æ¡¼¥×Áàºî:

MTSETDRVBUFFER

0: ¥É¥é¥¤¥Ö¤Ï¥é¥¤¥È¥³¥Þ¥ó¥É¤ËÂÐ¤·¡¢ ¥Ç¡¼¥¿¥Ö¥í¥Ã¥¯¤¬¼ÂºÝ¤ËÇÞÂÎ¤Ë½ñ¤¹þ¤Þ¤ì¤ë¤Þ¤Ç GOOD ¤Î¥¹¥Æ¡¼¥¿¥¹¤òÊÖ¤µ¤Ê¤¤¡£
1: ¥É¥é¥¤¥Ö¤Ï¥é¥¤¥È¥³¥Þ¥ó¥É¤ËÂÐ¤·¡¢ ¤¹¤Ù¤Æ¤Î¥Ç¡¼¥¿¤¬¥É¥é¥¤¥Ö¤ÎÆâÉô¥Ð¥Ã¥Õ¥¡¤ËÅ¾Á÷¤µ¤ì¤ë¤È¤¹¤°¤Ë¡¢ GOOD ¤Î¥¹¥Æ¡¼¥¿¥¹¤òÊÖ¤¹¤³¤È¤¬¤Ç¤¤ë¡£
2: ¥é¥¤¥È¥³¥Þ¥ó¥É¤ËÂÐ¤·¡¢°Ê²¼¤Î 2 ¤Ä¤Î¾ò·ï¤¬¤½¤í¤Ã¤¿¾ì¹ç¡¢ ¥É¥é¥¤¥Ö¤Ï¤¹¤°¤Ë GOOD ¥¹¥Æ¡¼¥¿¥¹¤òÊÖ¤¹»ö¤¬¤Ç¤¤ë¡£ (a)¤¹¤Ù¤Æ¤Î¥Ç¡¼¥¿¤¬¥É¥é¥¤¥Ö¤ÎÆâÉô¥Ð¥Ã¥Õ¥¡¤ËÅ¾Á÷¤µ¤ì¤¿¡£ (b)ÊÌ¡¹¤Î¥¤¥Ë¥·¥¨¡¼¥¿¡¼¤«¤éÍè¤¿¥Ð¥Ã¥Õ¥¡¥Ç¡¼¥¿¤¬¡¢ ¤¹¤Ù¤ÆÇÞÂÎ¤ØÌäÂê¤Ê¤¯½ñ¤¹þ¤Þ¤ì¤¿¡£

½ñ¤¹þ¤ßïçÃÍ¤òÀ©¸æ¤¹¤ë¤Ë¤Ï¡¢ mt_count ¤Ë¤Ï¡¢Äê¿ô MT_ST_WRITE_THRESHOLD ¤È¥Ö¥í¥Ã¥¯¥«¥¦¥ó¥È¤ÎÏÀÍýÏÂ (OR) ¤ò¤È¤Ã¤¿ÃÍ¤ò²¼°Ì¤Î 28¥Ó¥Ã¥È¤Ë´Þ¤Þ¤Í¤Ð¤Ê¤é¤Ê¤¤¡£ ¤³¤Î¥Ö¥í¥Ã¥¯¥«¥¦¥ó¥È¤Ï 1024 ¥Ð¥¤¥È¥Ö¥í¥Ã¥¯¤òÃ±°Ì¤È¤·¤¿¤â¤Î¤Ç¡¢¥Æ¡¼¥×¤Î ÊªÍý¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤òÃ±°Ì¤È¤·¤¿¤â¤Î¤Ç¤Ï¤Ê¤¤¡£ ¤Þ¤¿¡¢ïçÃÍ¤Ï¥É¥é¥¤¥Ð¤ÎÆâÉô¥Ð¥Ã¥Õ¥¡(¾åµ¤Î DESCRIPTION »²¾È¤Î»ö)¤Î¥µ¥¤¥º¤ò±Û¤¨¤ë»ö¤Ï¤Ç¤¤Ê¤¤¡£

¥Ö¡¼¥ëÃÍ¤Î¥Õ¥é¥°¤òÀßÄê¡¦²ò½ü¤¹¤ë¤Ë¤Ï¡¢ mt_count ¤ÎÃÍ¤Ï MT_ST_BOOLEANS, MT_ST_SETBOOLEANS, MT_ST_CLEARBOOLEANS, MT_ST_DEFBOOLEANS ¤Î¤¤¤º¤ì¤«°ì¤Ä¤ÎÃÍ¤Ë¡¢°Ê²¼¤Î¥ª¥×¥·¥ç¥ó¤ÎÇ¤°Õ¤ÎÁÈ¤ß¹ç¤ï¤»¤ËÂÐ¤·¤Æ ÏÀÍýÏÂ¤ò¼è¤Ã¤¿¤â¤Î¤ò»ØÄê¤¹¤ë¡£ MT_ST_BOOLEANS ¤òÍÑ¤¤¤ë¤È¡¢ ¥ª¥×¥·¥ç¥ó¤òÂÐ±þ¤¹¤ë¥Ó¥Ã¥È¤ËÂÐ¤·¤ÆÄêµÁ¤µ¤ì¤Æ¤¤¤ëÃÍ¤ËÀßÄê¤Ç¤¤ë¡£ MT_ST_SETBOOLEANS ¤òÍÑ¤¤¤ë¤È¡¢ ¥ª¥×¥·¥ç¥ó¤ÏÁªÂòÅª¤ËÀßÄê¤µ¤ì¡¢ MT_ST_DEFBOOLEANS ¤òÍÑ¤¤¤ë¤È ÁªÂòÅª¤Ë²ò½ü¤µ¤ì¤ë¡£

¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹¤Î¥Ç¥Õ¥©¥ë¥È¤Î¥ª¥×¥·¥ç¥ó¤Ï MT_ST_DEFBOOLEANS ¤Ë¤è¤Ã¤ÆÀßÄê¤µ¤ì¤ë¡£ ¥¢¥¯¥Æ¥£¥Ö¤Ç¤Ê¤¤¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹ (Îã: ¥Þ¥¤¥Ê¡¼ÈÖ¹æ ¤¬ 32 ¤ä 160 ¤Î¥Ç¥Ð¥¤¥¹) ¤Ï¡¢¤½¤ì¤é¤ËÂÐ¤¹¤ë¥Ç¥Õ¥©¥ë¥È¤Î¥ª¥×¥·¥ç¥ó¤¬ºÇ½é¤ËÄêµÁ¤µ¤ì¤¿¤È¤¤Ë ¥¢¥¯¥Æ¥£¥Ö¤Ë¤Ê¤ë¡£¥¢¥¯¥Æ¥£¥Ö¤Ë¤µ¤ì¤¿¥Ç¥Ð¥¤¥¹¤Ï¡¢ µ¯Æ°»þ¤Ë¥¢¥¯¥Æ¥£¥Ö¤Ë¤µ¤ì¤¿¥Ç¥Ð¥¤¥¹¤«¤é¡¢ ÌÀ¼¨Åª¤Ë»ØÄê¤µ¤ì¤Ê¤«¤Ã¤¿¥ª¥×¥·¥ç¥ó¤ò·Ñ¾µ¤¹¤ë¡£

¥Ö¡¼¥ëÃÍ¤Î¥ª¥×¥·¥ç¥ó¤Ï°Ê²¼¤ÎÄÌ¤ê:

MT_ST_BUFFER_WRITES (¥Ç¥Õ¥©¥ë¥È: ¿¿): ¸ÇÄêÄ¹¥Ö¥í¥Ã¥¯¥â¡¼¥É¤Ë¤ª¤±¤ë¤¹¤Ù¤Æ¤Î½ñ¤¹þ¤ßÁàºî¤ò¥Ð¥Ã¥Õ¥¡¥ê¥ó¥°¤¹¤ë¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤¬µ¶¤Ç¤¢¤ê¡¢¤«¤Ä¥É¥é¥¤¥Ö¤¬¸ÇÄêÄ¹¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤Î»þ¤Ï¡¢ ¤¹¤Ù¤Æ¤Î½ñ¤¹þ¤ßÁàºî¤Ï¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ÎÇÜ¿ô¤ÎÂç¤¤µ¤Ç¹Ô¤ï¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¿®ÍêÀ¤Î¤¢¤ë¥Þ¥ë¥Á¥Ü¥ê¥å¡¼¥à¥¢¡¼¥«¥¤¥Ö¤ò½ñ¤¹þ¤à¤¿¤á¤Ë¤Ï¡¢ ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ïµ¶¤ËÀßÄê¤µ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
MT_ST_ASYNC_WRITES (¥Ç¥Õ¥©¥ë¥È: ¿¿): ¤³¤Î¥ª¥×¥·¥ç¥ó¤¬¿¿¤Î»þ¤Ë¤Ï¡¢¥Ç¡¼¥¿¤¬¥É¥é¥¤¥Ð¤Î¥Ð¥Ã¥Õ¥¡¤Ë¼ý¤Þ¤ë»þ¤Ë¤Ï ¥Ç¡¼¥¿¤¬¥É¥é¥¤¥Ö¤ËÅ¾Á÷¤µ¤ì¤ë¤Î¤òÂÔ¤¿¤º¤Ë¡¢¤¹¤°¤Ë½ñ¤¹þ¤ßÁàºî¤¬ÊÖ¤Ã¤ÆÍè¤ë¡£ ¥Ð¥Ã¥Õ¥¡¤¬¤É¤Î¤¯¤é¤¤¶õ¤¤¤¿¤é¼¡¤Î SCSI write ¥³¥Þ¥ó¥É¤òÈ¯¹Ô¤Ç¤¤ë¤«¤Ï¡¢ ½ñ¤¹þ¤ßïçÃÍ¤Ë¤è¤Ã¤Æ·è¤Þ¤ë¡£ ¥É¥é¥¤¥Ö¤¬ÊÖ¤¹¤¹¤Ù¤Æ¤Î¥¨¥é¡¼¤Ï¡¢¼¡¤ÎÁàºî¤Þ¤ÇÊÝÂ¸¤µ¤ì¤ë¡£ ¿®ÍêÀ¤Î¤¢¤ë¥Þ¥ë¥Á¥Ü¥ê¥å¡¼¥à¥¢¡¼¥«¥¤¥Ö¤ò½ñ¤¹þ¤à¤¿¤á¤Ë¤Ï¡¢ ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ïµ¶¤ËÀßÄê¤µ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
MT_ST_READ_AHEAD (¥Ç¥Õ¥©¥ë¥È: ¿¿): ¤³¤Î¥ª¥×¥·¥ç¥ó¤ò»ØÄê¤¹¤ë¤È¡¢ ¥É¥é¥¤¥Ð¤Ï¸ÇÄêÄ¹¥Ö¥í¥Ã¥¯¥â¡¼¥É¤ÇÆÉ¤ß¹þ¤ß¥Ð¥Ã¥Õ¥¡¥ê¥ó¥°¤ÈÀèÆÉ¤ß¤ò¤¹¤ë¤è¤¦¤Ë¤Ê¤ë¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤¬µ¶¤Ç¤¢¤ê¡¢¤«¤Ä¥É¥é¥¤¥Ö¤¬¸ÇÄêÄ¹¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤Î»þ¤Ï¡¢ ¤¹¤Ù¤Æ¤ÎÆÉ¤ß¹þ¤ßÁàºî¤Ï¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ÎÇÜ¿ô¤ÎÂç¤¤µ¤Ç¹Ô¤ï¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
MT_ST_TWO_FM (¥Ç¥Õ¥©¥ë¥È: µ¶): ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¥Õ¥¡¥¤¥ë¤¬¥¯¥í¡¼¥º¤µ¤ì¤¿»þ¤Î¥É¥é¥¤¥Ð¡¼¤Î¿¶Éñ¤¤¤òÊÑ¹¹¤¹¤ë¡£ °ì¤Ä¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤ò½ñ¤¹þ¤à¤Î¤¬ÄÌ¾ï¤ÎÆ°ºî¤Ç¤¢¤ë¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤¬¿¿¤Î»þ¤Ë¤Ï¡¢ ¥É¥é¥¤¥Ð¡¼¤Ï 2 ¤Ä¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤ò½ñ¤¹þ¤ó¤Ç¡¢ 2 ¤Ä¤á¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤Î¤È¤³¤í¤ËÌá¤ë¡£
Ãí°Õ¡§ QIC¥Æ¡¼¥×¥É¥é¥¤¥Ö¤Ï¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤Ë¾å½ñ¤¤¹¤ë¤³¤È¤¬¤Ç¤¤Ê¤¤¤Î¤Ç¡¢ ¤³¤Î¥ª¥×¥·¥ç¥ó¤ò¿¿¤Ë¤·¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£ ¤³¤ì¤é¤Î¥É¥é¥¤¥Ö¤ÏµÏ¿¥Ç¡¼¥¿¤ÎËöÈø¤Î¸¡ÃÎ¤Ë¡¢ ¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤¬ 2¤ÄÂ³¤±¤Æ¤¢¤ë¤«¤Ç¤Ï¤Ê¤¯¡¢ ¥Ö¥é¥ó¥¯¥Æ¡¼¥×¤«¤É¤¦¤«¤Î¥Æ¥¹¥È¤òÍÑ¤¤¤ë¡£ ¸½ºß¤ÎÂ¾¤Î¤Û¤È¤ó¤É¤Î¥É¥é¥¤¥Ö¤â¡¢µÏ¿¥Ç¡¼¥¿¤ÎËöÈø¤ò¸¡ÃÎ¤¹¤ë¡£ 2 ¤Ä¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤¬É¬Í×¤Ë¤Ê¤ë¤Î¤Ï¡¢ Â¾¤Î¥·¥¹¥Æ¥à¤È¥Æ¡¼¥×¤ò¤ä¤ê¤È¤ê¤¹¤ë¾ì¹ç¤Ç¤¢¤ë¡£

MT_ST_DEBUGGING (¥Ç¥Õ¥©¥ë¥È: µ¶)

MT_ST_FAST_EOM (¥Ç¥Õ¥©¥ë¥È: µ¶)

¤³¤Î¥ª¥×¥·¥ç¥ó¤ò¿¿¤Ë¤¹¤ë¤È¡¢ MTEOM Áàºî¤¬Ä¾ÀÜ¥É¥é¥¤¥Ö¤ËÁ÷¤é¤ì¤ë¤è¤¦¤Ë¤Ê¤ë¡£ Áàºî¤¬Áá¤¯¤Ê¤ë¤Ï¤º¤À¤¬¡¢ ¥É¥é¥¤¥Ð¤¬¸½ºß¤Î¥Õ¥¡¥¤¥ëÈÖ¹æ¤ò¸«¼º¤¦¤³¤È¤Ë¤Ê¤ë (¤³¤ì¤ÏÄÌ¾ï¤Ê¤é MTIOCGET ¥ê¥¯¥¨¥¹¥È¤Ë¤è¤Ã¤ÆÊÖ¤µ¤ì¤ë)¡£ MT_ST_FAST_EOM ¤¬µ¶¤Î»þ¤Ë¤Ï¡¢ ¥É¥é¥¤¥Ð¤Ï MTEOM ¥ê¥¯¥¨¥¹¥È¤Ë±þ¤¨¤ë¤È¤¡¢ Á°Êý¤Ë¥Õ¥¡¥¤¥ë¤ò°ì¤Ä°ì¤Ä¿Ê¤á¤Æ¤¤¤¯¡£

MT_ST_AUTO_LOCK (¥Ç¥Õ¥©¥ë¥È: µ¶)

MT_ST_DEF_WRITES (¥Ç¥Õ¥©¥ë¥È: µ¶)

MT_ST_CAN_BSR (¥Ç¥Õ¥©¥ë¥È: µ¶)

MT_ST_NO_BLKLIMS (¥Ç¥Õ¥©¥ë¥È: µ¶)

¥É¥é¥¤¥Ö¤Ë¤è¤Ã¤Æ¤Ï READ BLOCK LIMITS SCSI ¥³¥Þ¥ó¥É¤ò¼õ¤±¤Ä¤±¤Ê¤¤¤³¤È¤¬¤¢¤ë¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤òÍÑ¤¤¤ë¤È¡¢¥É¥é¥¤¥Ð¤Ï¤³¤Î¥³¥Þ¥ó¥É¤òÍÑ¤¤¤Ê¤¤¡£ ·çÅÀ¤Ï¡¢»ØÄê¤·¤¿¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤¬¥É¥é¥¤¥Ö¤Ë¼õÍý¤µ¤ì¤Æ¤·¤Þ¤¦¤È¡¢ ¥É¥é¥¤¥Ð¤Î¥³¥Þ¥ó¥ÉÁ÷¿®Á°¥Á¥§¥Ã¥¯¤¬¤Ç¤¤Ê¤¯¤Ê¤ëÅÀ¤Ç¤¢¤ë¡£

MT_ST_CAN_PARTITIONS (¥Ç¥Õ¥©¥ë¥È: µ¶)

MT_ST_SCSI2LOGICAL (¥Ç¥Õ¥©¥ë¥È: µ¶)

¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢ seek ¤ª¤è¤Ó tell Áàºî (Î¾¼Ô¤È¤â MTSEEK¡¦MTIOCPOS ¥³¥Þ¥ó¥É¤òÈ¼¤¤¡¢ ¥Æ¡¼¥×°ÌÃÖ¤òÊÑ¹¹¤¹¤ë¤È¤) ¤ÎºÝ¤Ë¡¢ SCSI-2 ¤ÎÉ¸½à¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ëÏÀÍý¥Ö¥í¥Ã¥¯¥¢¥É¥ì¥¹¤òÍÑ¤¤¤ë¤«¤É¤¦¤«¤ò ¥É¥é¥¤¥Ð¤ËÅÁ¤¨¤ë¡£ µ¶¤À¤È¥Ç¥Ð¥¤¥¹¸ÇÍ¤Î¥¢¥É¥ì¥¹¤¬ÍÑ¤¤¤é¤ì¤ë¡£ ¥É¥é¥¤¥Ö¤¬ÏÀÍý¥¢¥É¥ì¥¹¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¤È¤¤Ï¡¢ ¤³¤Î¥ª¥×¥·¥ç¥ó¤ò¥»¥Ã¥È¤¹¤ë¤³¤È¤ò¶¯¤¯´«¤á¤ë¡£ ¤³¤Î¥â¡¼¥É¤Ç¤Ï¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤â¥«¥¦¥ó¥È¤¹¤ë¤«¤é¤Ç¤¢¤ë¡£ ÏÀÍý¥Ö¥í¥Ã¥¯¥¢¥É¥ì¥¹¤·¤«¥µ¥Ý¡¼¥È¤·¤Ê¤¤¥É¥é¥¤¥Ö¤â¤¤¤¯¤Ä¤«Â¸ºß¤·¤Æ¤¤¤ë¡£

MT_ST_SYSV (¥Ç¥Õ¥©¥ë¥È: µ¶)

¤³¤Î¥ª¥×¥·¥ç¥ó¤¬¿¿¤Ë¤Ê¤Ã¤Æ¤¤¤ë¤È¡¢¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹¤Ï SystemV ¤Î¥ë¡¼¥ë¤òÍÑ¤¤¤ë¡£µ¶¤À¤È BSD ¤Î¥ë¡¼¥ë¤òÍÑ¤¤¤ë¡£ ¤³¤ì¤é¤Î¥ë¡¼¥ë´Ö¤ÎºÇ¤âÂç¤¤Ê°ã¤¤¤Ï¡¢ÆÉ¤ß¹þ¤ß¤ò¹Ô¤Ã¤Æ¤¤¤¿ ¥Ç¥Ð¥¤¥¹¤¬¥¯¥í¡¼¥º¤µ¤ì¤¿¤È¤¤Î¿¶Éñ¤¤¤Ç¤¢¤ë¡£ System V ¤Î¥ë¡¼¥ë¤Ç¤Ï¡¢¥Æ¡¼¥×¤Ï¼¡¤Î¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤ò±Û¤¨¤Æ°ÜÆ°¤¹¤ë (¥Ç¥Ð¥¤¥¹¤ÎÍøÍÑ»þ¤Ë¤³¤ì¤¬¹Ô¤ï¤ì¤Ê¤«¤Ã¤¿¾ì¹ç)¡£ BSD ¤Î¥ë¡¼¥ë¤Ç¤Ï¥Æ¡¼¥×°ÌÃÖ¤ÏÊÑ¹¹¤µ¤ì¤Ê¤¤¡£

MT_NO_WAIT (Default: false)

Â¨»þ¥â¡¼¥É (immediate mode; ¥³¥Þ¥ó¥É¤Î½ªÎ»¤òÂÔ¤¿¤Ê¤¤) ¤ò¡¢¤¢¤ë¼ï¤Î¥³¥Þ¥ó¥É (rewind ¤Ê¤É) ¤ËÂÐ¤·¤ÆÍ¸ú¤Ë¤¹¤ë¡£

Îã




struct mtop mt_cmd;

mt_cmd.mt_op = MTSETDRVBUFFER;

mt_cmd.mt_count = MT_ST_BOOLEANS |

        MT_ST_BUFFER_WRITES |

        MT_ST_ASYNC_WRITES;

ioctl(fd, MTIOCTOP, &mt_cmd);

¥Ç¥Ð¥¤¥¹¤Î¥Ç¥Õ¥©¥ë¥È¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤Ï MT_ST_DEF_BLKSIZE ¤Ë¤è¤Ã¤ÆÀßÄê¤Ç¤¡¢¥Ç¥Õ¥©¥ë¥È¤ÎÌ©ÅÙ¥³¡¼¥É¤Ï MT_ST_DEFDENSITY ¤Ë¤è¤Ã¤ÆÀßÄê¤Ç¤¤ë¡£ ¤³¤ì¤é¤Î¥Ñ¥é¥á¡¼¥¿¤ÎÃÍ¤ÏÁàºî¥³¡¼¥É¤È OR ¤·¤ÆÍ¿¤¨¤ë¡£

2.1.x °Ê¹ß¤Î¥«¡¼¥Í¥ë¤Ç¤Ï¡¢¥¿¥¤¥à¥¢¥¦¥ÈÃÍ¤ÎÀßÄê¤Ï¡¢ ¥µ¥Ö¥³¥Þ¥ó¥É MT_ST_SET_TIMEOUT ¤ËÉÃÃ±°Ì¤Î¥¿¥¤¥à¥¢¥¦¥ÈÃÍ¤ò OR ¤·¤ÆÍ¿¤¨¤ë¤³¤È¤Ë¤è¤Ã¤Æ¹Ô¤¨¤ë¡£ long ¥¿¥¤¥à¥¢¥¦¥È (´¬¤Ìá¤·¤Ê¤É¡¢Ä¹¤¤»þ´Ö¤¬¤«¤«¤ë¥³¥Þ¥ó¥É¤ËÂÐ¤·¤ÆÍÑ¤¤¤é¤ì¤ë) ¤Ï MT_ST_SET_LONG_TIMEOUT ¤ÇÀßÄê¤Ç¤¤ë¡£ ¥«¡¼¥Í¥ë¤Î¥Ç¥Õ¥©¥ë¥È¤ÏÈó¾ï¤ËÄ¹¤¯¡¢¤É¤Î¥É¥é¥¤¥Ö¤Ç¤â À®¸ù¤·¤Æ¤¤¤ë¥³¥Þ¥ó¥É¤¬·è¤·¤Æ¥¿¥¤¥à¥¢¥¦¥È¤·¤Ê¤¤¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤ë¡£ ¤·¤¿¤¬¤Ã¤Æ¡¢¥É¥é¥¤¥Ð¤Ï¥¿¥¤¥à¥¢¥¦¥È¤òÂÔ¤Ã¤Æ¤¤¤ë¤À¤±¤Ê¤Î¤Ë¡¢ »É¤µ¤Ã¤¿ (stuck ¤·¤¿) ¤è¤¦¤Ë¸«¤¨¤ë¤³¤È¤¬¤¢¤ë¡£¤³¤ì¤é¤Î¥³¥Þ¥ó¥É¤ò»È¤¨¤Ð¡¢ ÆÃÄê¤Î¥É¥é¥¤¥Ö¤ËÂÐ¤·¤Æ¤â¤¦¾¯¤·¼ÂºÝÅª¤ÊÃÍ¤ËÀßÄê¤¹¤ë¤³¤È¤¬¤Ç¤¤ë¡£ °ì¤Ä¤Î¥Ç¥Ð¥¤¥¹¤ËÀßÄê¤·¤¿¥¿¥¤¥à¥¢¥¦¥ÈÃÍ¤Ï¡¢ ¤½¤ì¤ÈÆ±¤¸¥É¥é¥¤¥Ö¤Ë¥ê¥ó¥¯¤·¤¿Á´¤Æ¤Î¥Ç¥Ð¥¤¥¹¤ËÅ¬ÍÑ¤µ¤ì¤ë¡£

2.4.19 ¤ª¤è¤Ó 2.5.43 °Ê¹ß¤Î¥«¡¼¥Í¥ë¤Ç¤Ï¡¢ ¤³¤Î¥É¥é¥¤¥Ð¤Ï¥É¥é¥¤¥Ö¤Î¥¯¥ê¡¼¥Ë¥ó¥°¤¬É¬Í×¤«¤É¤¦¤«¤ò¼¨¤¹ ¾õÂÖ¥Ó¥Ã¥È¤ò¥µ¥Ý¡¼¥È¤¹¤ë¡£ ¥É¥é¥¤¥Ö¤¬¥¯¥ê¡¼¥Ë¥ó¥°¾ðÊó¤òÊÖ¤µ¤»¤ë¤«¤É¤¦¤«¤Ï¡¢ MT_ST_SEL_CLN ¥µ¥Ö¥³¥Þ¥ó¥É¤Ë¤è¤Ã¤ÆÀßÄê¤Ç¤¤ë¡£ ¤³¤ÎÃÍ¤¬ 0 ¤À¤È¡¢¥¯¥ê¡¼¥Ë¥ó¥°¥Ó¥Ã¥È¤Ï¾ï¤Ë 0 ¤È¤Ê¤ë¡£ ÃÍ¤ò 1 ¤Ë¤¹¤ë¤È¡¢SCSI-3 É¸½à¤Çµ¬Äê¤µ¤ì¤Æ¤¤¤ë TapeAlert ¥Ç¡¼¥¿¤¬ÍÑ¤¤¤é¤ì¤ë (¤Þ¤À¼ÂÁõ¤µ¤ì¤Æ¤¤¤Ê¤¤) ÃÍ¤È¤·¤Æ¤Ï 2 ¤«¤é 17 ¤¬Í½Ìó¤µ¤ì¤Æ¤¤¤ë¡£ Äã°ÌÂ¦¤Î 8 ¥Ó¥Ã¥È¤¬ 18 °Ê¾å¤À¤È¡¢³ÈÄ¥¾õÂÖ¥Ç¡¼¥¿ (extended sense data) ¤¬ÍÑ¤¤¤é¤ì¤ë¡£Âè 9-16 ¥Ó¥Ã¥È¤ÏÃíÌÜ¤¹¤Ù¤¥Ó¥Ã¥È¤òÁªÂò¤¹¤ë¤¿¤á¤Î¥Þ¥¹¥¯¤ò»ØÄê¤·¡¢ Âè 17-23 ¥Ó¥Ã¥È¤ÏÃµ¤¹¤Ù¤¥Ó¥Ã¥È¥Ñ¥¿¡¼¥ó¤ò»ØÄê¤¹¤ë¡£ ¤³¤Î¥Ó¥Ã¥È¥Ñ¥¿¡¼¥ó¤¬ 0 ¤Î¤È¤¤Ï¡¢ ¥Þ¥¹¥¯²¼¤Î¥Ó¥Ã¥È (·²) ¤¬¥¯¥ê¡¼¥Ë¥ó¥°Í×µá¤ò¼¨¤¹¡£¥Ñ¥¿¡¼¥ó¤¬ 0 ¤Ç¤Ê¤±¤ì¤Ð¡¢ ¤³¤Î¥Ñ¥¿¡¼¥ó¤¬¥Þ¥¹¥¯¸å¤Î¾õÂÖ¥Ç¡¼¥¿¥Ð¥¤¥È¤Ë¥Þ¥Ã¥Á¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

MTIOCGET --- ¥¹¥Æ¡¼¥¿¥¹¤Î¼èÆÀ

¤³¤Î¥ê¥¯¥¨¥¹¥È¤Ï (struct mtget *) ¤È¤¤¤¦·¿¤Î°ú¿ô¤ò¤È¤ë¡£


/* structure for MTIOCGET - mag tape get status command */

struct mtget {

    long     mt_type;

    long     mt_resid;

    /* the following registers are device dependent */

    long     mt_dsreg;

    long     mt_gstat;

    long     mt_erreg;

    /* The next two fields are not always used */

    daddr_t  mt_fileno;

    daddr_t  mt_blkno;

};

mt_type

¥Ø¥Ã¥À¥Õ¥¡¥¤¥ëÃæ¤Ë¤ÏÂ¿¤¯¤Î mt_type ¤ÎÃÍ¤¬ÄêµÁ¤µ¤ì¤Æ¤¤¤ë¤¬¡¢¸½¹Ô¤Î¥É¥é¥¤¥Ð¤ÏÈÆÍÑ¤Î¥¿¥¤¥×¤Ç¤¢¤ë MT_ISSCSI1 (ÈÆÍÑ SCSI-1 ¥Æ¡¼¥×) ¤ª¤è¤Ó MT_ISSCSI2 (ÈÆÍÑ SCSI-2 ¥Æ¡¼¥×) ¤Î¤ß¤òÊÖ¤¹¡£

mt_resid

¸½ºß¤Î¥Æ¡¼¥×°ÌÃÖÈÖ¹æ¡£

mt_dsreg

¥É¥é¥¤¥Ö¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ÈÌ©ÅÙ¤Î¸½ºß¤ÎÀßÄê¤òÊó¹ð¤¹¤ë (²¼°Ì 24 ¥Ó¥Ã¥È¤¬¥Ö¥í¥Ã¥¯¥µ¥¤¥º¡¢¾å°Ì 8 ¥Ó¥Ã¥È¤¬Ì©ÅÙ)¡£ ¤³¤ì¤é¤Î¥Õ¥£¡¼¥ë¥É¤Ï¡¢ MT_ST_BLKSIZE_SHIFT, MT_ST_BLKSIZE_MASK, MT_ST_DENSITY_SHIFT, MT_ST_DENSITY_MASK ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë¡£

mt_gstat

ÈÆÍÑ¤Î (¥Ç¥Ð¥¤¥¹¤Ë°ÍÂ¸¤·¤Ê¤¤) ¥¹¥Æ¡¼¥¿¥¹¤òÊó¹ð¤¹¤ë¡£ ¤³¤ì¤é¤Î¥¹¥Æ¡¼¥¿¥¹¥Ó¥Ã¥È¤ò¥Æ¥¹¥È¤¹¤ë¤¿¤á¤Î¥Þ¥¯¥í¤¬ ¥Ø¥Ã¥À¥Õ¥¡¥¤¥ë¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë¡£

GMT_EOF(x): ¥Æ¡¼¥×¤Ï¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤ÎÄ¾¸å¤Ë°ÌÃÖ¤·¤Æ¤¤¤ë¡£ (MTSEEK Áàºî¤Î¸å¤Ç¤Ï¾ï¤Ëµ¶)
GMT_BOT(x): ¥Æ¡¼¥×¤ÏºÇ½é¤Î¥Õ¥¡¥¤¥ë¤ÎÀèÆ¬¤Ë°ÌÃÖ¤·¤Æ¤¤¤ë¡£ (MTSEEK Áàºî¤Î¸å¤Ç¤Ï¾ï¤Ëµ¶)
GMT_EOT(x): ¥Æ¡¼¥×Áàºî¤Ï¥Æ¡¼¥×¤ÎÊªÍýÅª¤Ê½ªÅÀ¤ËÃ£¤·¤¿¡£
GMT_SM(x): ¥Æ¡¼¥×¤Ï¸½ºß¥»¥Ã¥È¥Þ¡¼¥¯¤Ë°ÌÃÖ¤·¤Æ¤¤¤ë¡£ (MTSEEK Áàºî¤Î¸å¤Ç¤Ï¾ï¤Ëµ¶)
GMT_EOD(x): ¥Æ¡¼¥×¤ÏµÏ¿¥Ç¡¼¥¿¤ÎËöÈø¤Ë°ÌÃÖ¤·¤Æ¤¤¤ë¡£
GMT_WR_PROT(x): ¥É¥é¥¤¥Ö¤Ï¥é¥¤¥È¥×¥í¥Æ¥¯¥È¤µ¤ì¤Æ¤¤¤ë¡£ ¤³¤ì¤Ï¥É¥é¥¤¥Ö¤Ë¤è¤Ã¤Æ¤Ï¡¢ ¥É¥é¥¤¥Ö¤¬¸½ºß¤Î¥á¥Ç¥£¥¢¥¿¥¤¥×¤Ø¤Î½ñ¤¹þ¤ß¤ò ¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤»ö¤ò°ÕÌ£¤¹¤ë¾ì¹ç¤â¤¢¤ë¡£
GMT_ONLINE(x): ¤â¤Ã¤È¤âºÇ¶á¤Î open(2) ¤¬¡¢¥Æ¡¼¥×¤¬Æþ¤Ã¤Æ¤¤¤ÆÁàºî¤Î½àÈ÷¤¬¤Ç¤¤Æ¤¤¤ë¥É¥é¥¤¥Ö¤ò¸¡ÃÎ¤·¤¿¡£
GMT_D_6250(x), GMT_D_1600(x), GMT_D_800(x): ¤³¤Î¡ÖÈÆÍÑ¡×¤Î¥¹¥Æ¡¼¥¿¥¹¾ðÊó¤Ï¡¢: 9-¥È¥é¥Ã¥¯ ½" ¥Æ¡¼¥×¥É¥é¥¤¥Ö¤Î¾ì¹ç¤Ë¤Î¤ß¡¢ ¸½ºß¤ÎÌ©ÅÙ¤ÎÀßÄê¤òÊó¹ð¤¹¤ë¡£
GMT_DR_OPEN(x): ¥É¥é¥¤¥Ö¤Ë¥Æ¡¼¥×¤¬Æþ¤Ã¤Æ¤¤¤Ê¤¤¡£
GMT_IM_REP_EN(x): Â¨»þÊó¹ð¥â¡¼¥É¡£ write ¥³¡¼¥ë¤¬Ìá¤Ã¤¿¤È¤¡¢ ¥Æ¡¼¥×¤ËÂÐ¤·¤ÆÊªÍýÅª¤Ê½ñ¤¹þ¤ß¤¬¹Ô¤ï¤ì¤¿¤«¤É¤¦¤«¤òÊÝ¾Ú¤Ç¤¤Ê¤¤¾ì¹ç¤Ë¡¢ ¤³¤Î¥Ó¥Ã¥È¤¬¥»¥Ã¥È¤µ¤ì¤ë¡£¥É¥é¥¤¥Ð¤¬¥Ç¡¼¥¿¤ò¥Ð¥Ã¥Õ¥¡¥ê¥ó¥°¤»¤º¡¢ ¥É¥é¥¤¥Ö¤â¥Ç¡¼¥¿¤ò¥Ð¥Ã¥Õ¥¡¥ê¥ó¥°¤·¤Ê¤¤¾ì¹ç¤Ë¸Â¤Ã¤Æ¡¢ ¤³¤ÎÃÍ¤Ï 0 ¤Ë¥»¥Ã¥È¤µ¤ì¤ë¡£
GMT_CLN(x): ¥É¥é¥¤¥Ö¤¬¥¯¥ê¡¼¥Ë¥ó¥°¤òÍ×µá¤·¤Æ¤¤¤ë¡£ ¥«¡¼¥Í¥ë 2.4.19 ¤ª¤è¤Ó 2.5.43 °Ê¹ß¤Ç¼ÂÁõ¤µ¤ì¤¿¡£

mt_erreg

mt_erreg ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë¥Õ¥£¡¼¥ë¥É¤Ï°ì¤Ä¤À¤±¤Ç¡¢ ²¼°Ì¤Î 16 ¥Ó¥Ã¥È¤¬¥¨¥é¡¼¤ò¥ê¥«¥Ð¡¼¤·¤¿²ó¿ô¤Ç¤¢¤ë (MT_ST_SOFTERR_SHIFT ¤È MT_ST_SOFTERR_MASK ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë)¡£ ¥É¥é¥¤¥Ö¤ÎÊó¹ð¤¹¤ë¥¨¥é¡¼¥ê¥«¥Ð¡¼¿ô¤ÈÌ·½â¤¹¤ë¤³¤È¤¬¤¢¤ë¤Î¤Ç¡¢ ¤³¤Î¿ô¤Ï¤Û¤È¤ó¤É¤Î¾ì¹ç°Ý»ý¤µ¤ì¤Ê¤¤ (¤Û¤È¤ó¤É¤Î¥É¥é¥¤¥Ö¤Ç¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¥½¥Õ¥È¥¨¥é¡¼¤òÊó¹ð¤·¤Ê¤¤¡£ ¤·¤«¤·¤³¤ì¤Ï SCSI MODE SELECT ¥³¥Þ¥ó¥É¤Ë¤è¤Ã¤ÆÊÑ¹¹¤Ç¤¤ë)¡£

mt_fileno

(¥¼¥í¤«¤é¿ô¤¨¤¿) ¸½ºß¤Î¥Õ¥¡¥¤¥ëÈÖ¹æ¤òÊó¹ð¤¹¤ë¡£ ¥Õ¥¡¥¤¥ëÈÖ¹æ¤¬¤ï¤«¤é¤Ê¤¤»þ (Îã¤¨¤Ð MTBSS ¤ä MTSEEK ¤Î¸å¤Ê¤É) ¤Ë¤Ï -1 ¤Ë¥»¥Ã¥È¤µ¤ì¤ë¡£

mt_blkno

¸½ºß¤Î¥Õ¥¡¥¤¥ëÃæ¤Î(¥¼¥í¤«¤é¿ô¤¨¤¿)¥Ö¥í¥Ã¥¯ÈÖ¹æ¤òÊó¹ð¤¹¤ë¡£ ¥Ö¥í¥Ã¥¯ÈÖ¹æ¤¬¤ï¤«¤é¤Ê¤¤»þ (Îã¤¨¤Ð MTBSF, MTBSS, MTSEEK ¤Î¸å¤Ê¤É) ¤Ë¤Ï -1 ¤Ë¥»¥Ã¥È¤µ¤ì¤ë¡£

MTIOCPOS --- ¥Æ¡¼¥×°ÌÃÖ¤Î¼èÆÀ

¤³¤Î¥ê¥¯¥¨¥¹¥È¤Ï (struct mtpos *) ·¿¤Î°ú¿ô¤ò¤È¤ê¡¢¥É¥é¥¤¥Ö¤¬ÊÝ»ý¤·¤Æ¤¤¤ë¸½ºß¤Î¥Æ¡¼¥×¥Ö¥í¥Ã¥¯ÈÖ¹æ¤òÊó¹ð¤¹¤ë¡£ ¤³¤ì¤Ï¡¢MTIOCGET ¤Ë¤è¤êÊÖ¤µ¤ì¤ë mt_blkno ¤ÈÆ±¤¸¤Ç¤Ï¤Ê¤¤¡£ ¥É¥é¥¤¥Ö¤Ï READ POSITION ¥³¥Þ¥ó¥É (¥Ç¥Ð¥¤¥¹¸ÇÍ¥¢¥É¥ì¥¹) ¤ò¥µ¥Ý¡¼¥È¤¹¤ë SCSI-2¥É¥é¥¤¥Ö¤«¡¢

Tandberg ¸ß´¹¤Î SCSI-1 ¥É¥é¥¤¥Ö (Tandberg, Archive, Viper, Wangtek, ... ) ¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£


/* structure for MTIOCPOS - mag tape get position command */

struct mtpos {

    long mt_blkno;    /* current block number */

};

ÊÖ¤êÃÍ

EIO: Í×µá¤µ¤ì¤¿Áàºî¤¬ºÇ¸å¤Þ¤Ç¹Ô¤¨¤Ê¤«¤Ã¤¿¡£
ENOSPC: ¥á¥Ç¥£¥¢¤Î½ªÅÀ¤ËÃ£¤·¤¿¤¿¤á¡¢½ñ¤¹þ¤ßÁàºî¤¬´°Î»¤·¤Ê¤«¤Ã¤¿¡£
ENOMEM: read(2) ¤Î¥Ð¥¤¥È¿ô¤¬¡¢¥Æ¡¼¥×¤Ë¤¢¤ë¼¡¤ÎÊªÍý¥Ö¥í¥Ã¥¯¤è¤ê¾®¤µ¤¤ (2.2.18 ¤ª¤è¤Ó 2.4.0-test6 °ÊÁ°¤Ç¤Ï¡¢ÌÛ¤Ã¤ÆÍ¾Ê¬¤Î¥Ð¥¤¥È¤òÌµ»ë¤·¤Æ¤¤¤¿)¡£
EACCES: ½ñ¤¹þ¤ßÊÝ¸î¤µ¤ì¤Æ¤¤¤ë¥Æ¡¼¥×¤Ë½ñ¤¹þ¤ß¤Þ¤¿¤Ï¾Ãµî¤ò¹Ô¤ª¤¦¤È¤·¤¿¡£ (¤³¤Î¥¨¥é¡¼¤Ï open(2) Ãæ¤Ë¤Ï¸¡ÃÎ¤µ¤ì¤Ê¤¤¡£)
EFAULT: ¥³¥Þ¥ó¥É¤Î°ú¿ô¤¬¡¢ ¸Æ¤Ó¤À¤·¥×¥í¥»¥¹¤ËÂ°¤·¤Æ¤¤¤Ê¤¤¥á¥â¥ê°ÌÃÖ¤ò»Ø¤·¤Æ¤¤¤ë¡£
ENXIO: ¥ª¡¼¥×¥ó¤¹¤ë»þ¤Ë¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹¤¬Â¸ºß¤·¤Ê¤«¤Ã¤¿¡£
EBUSY: ¥Ç¥Ð¥¤¥¹¤¬¤¹¤Ç¤Ë»È¤ï¤ì¤Æ¤¤¤ë¤«¡¢ ¥É¥é¥¤¥Ð¤¬¥Ð¥Ã¥Õ¥¡¤ò³äÅö¤Æ¤é¤ì¤Ê¤«¤Ã¤¿¡£
EOVERFLOW: ¥É¥é¥¤¥Ð¤ÎÆâÉô¥Ð¥Ã¥Õ¥¡¤è¤êÂç¤¤¤¥µ¥¤¥º¤Î²ÄÊÑÄ¹¥Ö¥í¥Ã¥¯¤ò ÆÉ¤ß½ñ¤¤·¤è¤¦¤È¤·¤¿¡£
EINVAL: ioctl(2) ¤Î°ú¿ô¤¬ÉÔÀµ¤Ç¤¢¤ë¤«¡¢Í×µá¤·¤¿¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤¬ÉÔÀµ¡£
ENOSYS: ÉÔÌÀ¤Ê ioctl(2)¡£
EROFS: ¥É¥é¥¤¥Ö¤ËÆþ¤Ã¤Æ¤¤¤ë¥Æ¡¼¥×¤¬¥é¥¤¥È¥×¥í¥Æ¥¯¥È¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ë¡¢ O_WRONLY ¤Þ¤¿¤Ï O_RDWR ¤Ç open ¤ò¹Ô¤ª¤¦¤È¤·¤¿¡£

¥Õ¥¡¥¤¥ë

/dev/st* : ¼«Æ°´¬¤Ìá¤·¤Î SCSI ¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹¡£
/dev/nst* : ´¬¤Ìá¤·¤ò¤·¤Ê¤¤ SCSI ¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹¡£

Ãø¼Ô

¤³¤Î¥É¥é¥¤¥Ð¤Ï Dwayne Forsyth ¤Î½ñ¤¤¤¿¥É¥é¥¤¥Ð¤ò¤â¤È¤Ë¤·¤Æ Kai M:akisara (Kai.Makisara@metla.fi) ¤¬½ñ¤¤¤¿¡£ Â¾¤Ë¤â²¿¿Í¤«¤Î¿Í¡¹¤¬¤³¤Î¥É¥é¥¤¥Ð¤Ë¹×¸¥¤·¤Æ¤¤¿¡£

Ãí°Õ

3. SCSI ¥Æ¡¼¥×¥É¥é¥¤¥Ö¤òÍÑ¤¤¤ë¤Ë¤Ï¡¢´ðËÜ¤Î SCSI ¥É¥é¥¤¥Ð¡¢ SCSI ¥¢¥À¥×¥¿¤Î¥É¥é¥¤¥Ð¡¢ SCSI ¥Æ¡¼¥×¥É¥é¥¤¥Ð¤Î¤¹¤Ù¤Æ¤¬ ¥«¡¼¥Í¥ë¤ËÁÈ¤ß¹þ¤Þ¤ì¤Æ¤¤¤ë¤«¡¢¤¢¤ë¤¤¤Ï¥â¥¸¥å¡¼¥ë¤È¤·¤Æ¥í¡¼¥É¤µ¤ì¤Æ¤¤¤ë É¬Í×¤¬¤¢¤ë¡£ SCSI ¥Æ¡¼¥×¥É¥é¥¤¥Ð¤¬¤Ê¤¤¤È¡¢ ¥É¥é¥¤¥Ö¤ÏÇ§¼±¤µ¤ì¤ë¤¬¡¢ ¤³¤Î¥Ú¡¼¥¸¤Çµ½Ò¤µ¤ì¤Æ¤¤¤ë¥Æ¡¼¥×¤Î¥µ¥Ý¡¼¥È¤ÏÍøÍÑ¤Ç¤¤Ê¤¤¡£

4. ¥É¥é¥¤¥Ð¤Ï¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò¥³¥ó¥½¡¼¥ë¤È¥í¥°¤È¤Ë½ñ¤½Ð¤¹¡£ ¥«¡¼¥Í¥ëÀßÄê¤Ç verbose SCSI messages ¤¬Í¸ú¤Ë¤µ¤ì¤Æ¤¤¤ë¤È¡¢ SENSE ¥³¡¼¥É¤¬¼«Æ°Åª¤Ë¥Æ¥¥¹¥È¤ËÊÑ´¹¤µ¤ì¤Æ¡¢ ¤¤¤¯¤Ä¤«¤Î¥á¥Ã¥»¡¼¥¸¤Ë½ñ¤¤À¤µ¤ì¤ë¡£

5. ¤³¤Î¥É¥é¥¤¥Ð¤ÎÆâÉô¥Ð¥Ã¥Õ¥¡¥ê¥ó¥°¤Ï¡¢¸ÇÄê¥Ö¥í¥Ã¥¯¥â¡¼¥É¤Ê¤é read(2) ¤ä write(2) ¤Î¥Ð¥¤¥È¿ô¤¬¾®¤µ¤¯¤Æ¤âÎÉ¤¤¥¹¥ë¡¼¥×¥Ã¥È¤ò½Ð¤¹¡£ Ä¾ÀÜÅ¾Á÷¤Ç¤Ï¤³¤ì¤ÏÉÔ²ÄÇ½¤Ê¤Î¤Ç¡¢2.6 ¥«¡¼¥Í¥ë¤Ë°Ü¹Ô¤·¤¿¤È¤¤Ë¶Ã¤¯¤«¤â¤·¤ì¤Ê¤¤¡£ ²ò·èË¡¤È¤·¤Æ¤Ï¡¢¥½¥Õ¥È¥¦¥§¥¢¤Ë¤è¤êÂç¤¤ÊÅ¾Á÷¤ò¹Ô¤¦¤è¤¦ÅÁ¤¨¤ë (¤¿¤¤¤Æ¤¤¤Ï¤è¤êÂç¤¤Ê¥Ö¥í¥Ã¥¯¤ò»È¤ï¤»¤ë) ¤³¤È¤Ç¤¢¤ë¡£ ¤³¤ì¤¬ÉÔ²ÄÇ½¤Ê¤é¡¢Ä¾ÀÜÅ¾Á÷¤òÌµ¸ú¤Ë¤¹¤ë¤³¤È¤â¤Ç¤¤ë¡£

´ØÏ¢¹àÌÜ

mt(1)

¥«¡¼¥Í¥ë¥½¡¼¥¹¤Î README.st ¤ª¤è¤Ó st.txt (2.6 °Ê¹ß) ¤Î³Æ¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢ ¥É¥é¥¤¥Ð¤Ë´Ø¤¹¤ë¤è¤ê¿·¤·¤¤¾ðÊó¤ä¡¢ ¤½¤ÎÀßÄê²ÄÇ½¤ÊÈÏ°Ï¤Ë´Ø¤¹¤ëÆâÍÆ¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¡£

Linux Certif

Toute la documentation sur la certification Linux LPI

Rechercher une page de manuel

st

Sommaire

Ì¾Á°

½ñ¼°

ÀâÌÀ

¥Ç¡¼¥¿Å¾Á÷

ioctl

MTIOCTOP --- ¥Æ¡¼¥×Áàºî¤Î¼Â¹Ô

MTIOCGET --- ¥¹¥Æ¡¼¥¿¥¹¤Î¼èÆÀ

MTIOCPOS --- ¥Æ¡¼¥×°ÌÃÖ¤Î¼èÆÀ

ÊÖ¤êÃÍ

¥Õ¥¡¥¤¥ë

Ãø¼Ô

Ãí°Õ

´ØÏ¢¹àÌÜ

Découvrir

Apprendre

Linux Certif

Toute la documentation sur la certification Linux LPI

Rechercher une page de manuel

st

Sommaire

Ì¾Á°

½ñ¼°

ÀâÌÀ

¥Ç¡¼¥¿Å¾Á÷

ioctl

MTIOCTOP --- ¥Æ¡¼¥×Áàºî¤Î¼Â¹Ô

MTIOCGET --- ¥¹¥Æ¡¼¥¿¥¹¤Î¼èÆÀ

MTIOCPOS --- ¥Æ¡¼¥×°ÌÃÖ¤Î¼èÆÀ

ÊÖ¤êÃÍ

¥Õ¥¡¥¤¥ë

Ãø¼Ô

Ãí°Õ

´ØÏ¢¹àÌÜ

Découvrir

Apprendre

Partager