Backup-With-MSDOS mini-HOWTO
Christopher Neufeld, neufeld@physics.utoronto.ca
v, 5 August 1997
_________________________________________________________________
¦¹¥÷ HOWTO °Oz¦p¦ó§Q¥Î Linux ¬Û®eªººÏ±a¾÷¦w¸Ë¦b MS-DOS ªº¾÷¾¹¡A¨Ó³Æ¥÷
Linux ¾÷¾¹ªºÀɮרt²Î ( filesystem )¡C
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*** netbackup.orig Mon Jan 9 17:22:32 1995
--- netbackup Mon Jan 9 17:23:25 1995
***************
*** 35,41 ****
"'mknod", devname, "p'");
exec ("su -", USERNAME, "-c",
"'rsh ", REMOTE_HOST,
! "\"dd", "of=" REMOTE_DEVICE, "obs=20k", "conv=sync\"",
"<", devname,
"'&"
);
--- 35,41 ----
"'mknod", devname, "p'");
exec ("su -", USERNAME, "-c",
"'rsh ", REMOTE_HOST,
! "\"dd", "of=" REMOTE_DEVICE, "\"",
"<", devname,
"'&"
);
***************
*** 50,56 ****
"'mknod", devname, "p'");
exec ("su", USERNAME, "-c",
"'rsh ", REMOTE_HOST,
! "\"dd", "if=" REMOTE_DEVICE, "ibs=20k", "conv=sync\"",
">", devname,
"'&"
);
--- 50,56 ----
"'mknod", devname, "p'");
exec ("su", USERNAME, "-c",
"'rsh ", REMOTE_HOST,
! "\"dd", "if=" REMOTE_DEVICE, "\"",
">", devname,
"'&"
);
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/root/notes ¤¤ªº±Ôz¡£³o¸Ì¬O /tape144/root/notes ¡A¦b·í¥¦³Q¦w¸Ë¤W§Aªº
Linux ¾÷¾¹®É¡¤¡C ¤@¦ý¨â¥x¾÷¾¹³£³Q±Ò°Ê§¹¦¨¡A°õ¦æ§A»Ýnªº´_ìºD¨Ò¡£
recovery routine ¡¤¡C ¦pªG§A¬O¨Ï¥Î³Æ¥÷©R¥O½Z¡A§A¥i¥H¦p¤U¾Þ§@¡G
1. §ïÅܧA±N«ì´_ªºµwºÐ¦w¸ËÂIªº«ü«n¡£directory ¡¤¡C
2. ¦pªG¥ô¤@ mounted volumnes ¤w¦b¦¹³Æ¥÷¤W, ¦Ó§A·Q§â¥¦Ì´_ì¡A§A¥un¦b
µwºÐ¤W«Ø¤@¨Ç mount point, µM«á§â³Æ¥÷ mount ¦b³o¨Ç mount point ¤W¡C
3. ¿é¤J©R¥O¡G
rsh -n msdos dd if=/dev/ftape | afio -i -v -Z -c 1024 -
or
rsh -n -l tapeuser msdos dd if=/dev/ftape | afio -i -v -Z -c 1024 -
©Î
mknod /tmp/backpipe p
rsh -n msdos dd if=/dev/ftape >> /tmp/backpipe &
afio -i -v -Z -c 1024 /tmp/backpipe
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¤è¡C '-i' °Ñ¼Æ§i¶D¥¦¥Î¬Û¹ï©ó'¥Ø«e¥Ø¿ý'¨Ó recover ¡£¦¹³B¬OµwºÐ¤À³Î°Ïªº®Ú
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¬°¤@Ó¦U§OªºÀ£ÁYÀɮסC '-c 1024' §i¶D¥¦¨Ï¥Î 5 MB ªº¬y°Ê½w½Ä°Ï¨ÓÁקK¤Ó¦h
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3. ³Æ§Ñ¿ý
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±N©Ò¦³ÀÉ®×Ū¥X. ¹ï©ó«µø¸ê®Æ¾÷±Kªº¤H·|¦Ò¼{³Æ¥÷¸ê®Æ¬yªº¥[±K. ¤]´N¬O»¡,
ì³Æ¥÷ªº¿é¥X pipe ¨ì¥[±Kµ{¦¡¦A§â¥[±Kµ{¦¡ªº¿é¥X°e¨ì ¤§«e©Ò»¡ªº
/tmp/tapepipe. ¦ý¬On¦í·N, ³oÓ¥[±Kªº³Æ¥÷¦b´_ì¹Lµ{¤¤ªº¿ù»~¡A±N¾ÉP¦b¸Ó
ÂI¤§ «áªº©Ò¦³ÀÉ®×µLªk´_ì, ¦]¬°¸Ó³Æ¥÷¬O¤@Ó¿W¥ßªº DES ¥[±K¸ê®Æ¬y¡C §ÚÌ
¤]¥i¥H¥Î afio ªº¿ï¶µ, ¥ý§â¨CÓÀÉ®× gzip ¦A°µ¥[±K. ¦ý³oºØ ¥ýÀ£ÁYªº§@ªk·|
¾É¦Ü¤@°ï¤wª¾ªº¦r¦ê(gzip ¹L·|¦³©T©w header), ¤ñ ¸û®e©ö³Q¯}¸Ñ. ©Ò¥H¤ñ¸û¦n
ªº§@ªk¬O¸õ¹L gzip, ª½±µ°µ DES ¥[±K, ¥N»ù¬O»Ýn¸û¦hªººÏ±aªÅ¶¡. ¤£¥Î»¡¤]
ª¾¹D, DES ¥[±K¬O¤£§@À£ÁYªº.
§Úªþ¤Wªº rc.inet1 ¼gªk¥u¯à¨Ï¥Î¦b¦a°Ïºô¸ô (Local network) ¤W¡A¦Ó¤£¯à¥Î¤@
Ó Gateway ©M¥~¬É·¾³q¡C
¦b§¹¥þ«ì´_¨ìªÅ¥ÕµwºÐªº´Á¶¡¡ASAR ºÏ¤ù #3 ´£¨Ñ ftape.o Åý MS-DOS ¾÷¾¹¬ï¹L
NFS¡C ³o¬O¦]¬° ftape ¼Ò²Õ¬Y¨Çªºª©¥»¤£¯à¦b¦³ºÏ¤ù¦b³nºÐ¾÷®ÉºÞ²z¬Y¨ÇºÏ±a
¾÷¡C ¦b¸û·sªº®Ö¤ßµ{¦¡¡A©Ò¦³ªº NFS n¯À¡£stuff ¡¤·|³Q©¿²¤¡C
³o¬O«D±`«nªº¡C ***´ú¸Õ*** SAR ´_ìµ{§Ç¡C I did, but don't leave
anything to chance. ½T©w§A¥i¥H¶È¨Ï¥Î SAR ºÏ¤ù´_ì¦Ü¤Ö¤@ÓÀɮרì Linux
¾÷¾¹¤W¡£¨Ò¦p¨S¦³¦w¸ËµwºÐ¡¤¡C ¦pªG§A¤£¯à«·s±Ò°Ê Linux ¾÷¾¹¦b¤£·Ó¦¨¤Ó¦h
¨Ï¥ÎªÌ¤£«Kªº±¡ªp¤U¡A§ïÅܦb SAR ºÏ¤ù¤¤ªº³]©w¸ê°T¡A«ü¬£ ``linux'' ªº¨¤À
¨ì¥t¤@Ó MS-DOS ¾÷¾¹¡AµM«á±Ò°Ê¨âÓ MS-DOS ¾÷¾¹¶i¤J Linux ¥h½T©w§¡¥i¥¿±`
¹B§@¡C µM«á¡A±N ``linux'' ªº¨¤À×¥¿¦^¨Ó¡A¦p¦¹§A¾Ö¦³¤@Ó¥i¥Îªº SAR ºÏ¤ù
¡C
4. ª©Åv
Copyright Jan 10, 1995 by Christopher Neufeld (
[4]neufeld@physics.utoronto.ca)
×¥¿©ó ¤G¤ë 6, 1996.
×¥¿©ó ¤K¤ë 5, 1997.
References
1. mailto:jlnance@isscad.com
2. ftp://sunsite.enc.edu/pub/Linux/system/Backup/backup-1.03.tar.gz
3. ftp://sunsite.unc.edu/pub/Linux/kernel/tapes/ftape-2.05.tar.gz
4. mailto:neufeld@physics.utoronto.ca
