aprzygie@iiic.ethz.ch (Antoni Bronislaw Przygienda) (11/13/90)
Hello in the outer space, First a 'please send me', second 'description of a very nasty thing on ISC could happen to you (interessting) 1. Could someone send me the dump of his bootstrap of the main unix partition ???!!! You can find it as follows: a) look at partition table, your main Interactive partitions starts at cylinder _X_ b) take something you can look at absolute sectors of your hd & go to this cylinder, track 0, sector 0 c) dump the following 32 block as hex or octal (in ascii, so you can mail it) & send it to me, please, please, please !!!! 2. Description (why does a crazy swiss want a bootstrap, I can't imagine, & I say, one day, it could happen to you, you or even YOU [yes, you, sitting in front of your terminal now & drinking coffee]). Story: a) like one year ago: formatted 90% of my HD as ISC & 10% as DOS (usual, isn't?) (the dos one /dev/dsk/0p1 went from cylinder 2 to 150) b) like 1/2 ago, formatted the DOS partition (0p1) as Unix, 'cause it works so fine & c) making a file system on 0p1, it want's to know, how many blocks does it have ?? d) Where to find it ? No idea, OK, took my HP & cylinders*tracks*sectors = _Y_ (*****something went wrong & I got like 30 blocks too much (probably 1 track or so ??!!)*****) Gave her (I tend to speak 'bout ISC as a her, it's almost like the sea, it always takes & never gives) this magic number, created the file system & went straight to bed. e) next 1/2 I was mostly happy working with it, except it sometimes had a corrupted free list, even after normal shutdown & during boot time the 0p1 was not corrected, so I had to mount it by my own. f) something like before yesterday, the 0p1 went full, ok I thought, no problem, cleaned something like tmp* and *.bak and made a normal shutdown at night time g) **** BANG **** Yesterday booting it --- Invalid boot descriptor ??????????????????????????????????? h) ok, one day later I know, the first 30 block were MY BOOTSTRAP of the active unix partition lying above the 0p1 one, got overwritten by the 0p1 going full !!!!!!!!!! i) don't tell me, I should try mkpart or take my sector backup, I only have the file system backups & the mkpart brings some thousands of excuses, why I can't generate a new bootstrap for example: -invalid dpinfo (even with an -i) -no alternate partition ???? ;-) -no root partition ???? ;-) My vendor told me: 'Oh, just format it & backup again' I don't want to do it !!! Have a lot of better things to do than 2 days of backuping & of cause, my backup something like 2 weeks old & I did a lot of system work during this time. h) taking the bootstrap from the disk doesn't work, it boots, but then it wants to take take the system from the disk Please mail your bootstrip to me, I'm begging you Tony PS: By the way, what do YOU think 'bout the ISC Update policy Hello in the outer space, First a 'please send me', second 'description of a very nasty thing on ISC could happen to you (interessting) 1. Could someone send me the dump of his bootstrap of the main unix partition ???!!! You can find it as follows: a) look at partition table, your main Interactive partitions starts at cylinder _X_ b) take something you can look at absolute sectors of your hd & go to this cylinder, track 0, sector 0 c) dump the following 32 block as hex or octal (in ascii, so you can mail it) & send it to me, please, please, please !!!! 2. Description (why does a crazy swiss want a bootstrap, I can't imagine, & I say, one day, it could happen to you, you or even YOU [yes, you, sitting in front of your terminal now & drinking coffee]). Story: a) like one year ago: formatted 90% of my HD as ISC & 10% as DOS (usual, isn't?) (the dos one /dev/dsk/0p1 went from cylinder 2 to 150) b) like 1/2 ago, formatted the DOS partition (0p1) as Unix, 'cause it works so fine & c) making a file system on 0p1, it want's to know, how many blocks does it have ?? d) Where to find it ? No idea, OK, took my HP & cylinders*tracks*sectors = _Y_ (*****something went wrong & I got like 30 blocks too much (probably 1 track or so ??!!)*****) Gave her (I tend to speak 'bout ISC as a her, it's almost like the sea, it always takes & never gives) this magic number, created the file system & went straight to bed. e) next 1/2 I was mostly happy working with it, except it sometimes had a corrupted free list, even after normal shutdown & during boot time the 0p1 was not corrected, so I had to mount it by my own. f) something like before yesterday, the 0p1 went full, ok I thought, no problem, cleaned something like tmp* and *.bak and made a normal shutdown at night time g) **** BANG **** Yesterday booting it --- Invalid boot descriptor ??????????????????????????????????? h) ok, one day later I know, the first 30 block were MY BOOTSTRAP of the active unix partition lying above the 0p1 one, got overwritten by the 0p1 going full !!!!!!!!!! i) don't tell me, I should try mkpart or take my sector backup, I only have the file system backups & the mkpart brings some thousands of excuses, why I can't generate a new bootstrap for example: -invalid dpinfo (even with an -i) -no alternate partition ???? ;-) -no root partition ???? ;-) My vendor told me: 'Oh, just format it & backup again' I don't want to do it !!! Have a lot of better things to do than 2 days of backuping & of cause, my backup something like 2 weeks old & I did a lot of system work during this time. h) taking the bootstrap from the disk doesn't work, it boots, but then it wants to take take the system from the disk Please mail your bootstrip to me, I'm begging you Tony PS: By the way, what do YOU think 'bout the ISC Update policy