Re: A small newfs puzzle.
On Sun, Nov 18, 2018 at 09:37:53AM +0100, Otto Moerbeek wrote: > On Sat, Nov 17, 2018 at 07:55:33PM -0500, R. Clayton wrote: > > > I'm on this > > > > # uname -a > > OpenBSD AngkorWat.rclayton.net 6.4 GENERIC.MP#364 amd64 > > > > # > > > > and I'm trying to write some file systems on this > > > > # disklabel -p g sd1 > > # /dev/rsd1c: > > type: SCSI > > disk: SCSI disk > > label: Rugged FW USB3 > > duid: 7e82b7f3472419e3 > > flags: > > bytes/sector: 512 > > sectors/track: 63 > > tracks/cylinder: 255 > > sectors/cylinder: 16065 > > cylinders: 243201 > > total sectors: 3907029168 # total bytes: 1863.0G > > boundstart: 0 > ^ > You didn't run fdisk -i on the disk, right? > > -Otto Some more explanation: After a successful run, newfs writes some meta-info to the disklabel. This information is used in case of damage to the superblock to find alternate superbocks. If you do not run fdisk -i before labelling on a arch that requires it, the updating of the label fails and you will miss some info needed by fsck in case of disk trouble. -Otto
Re: A small newfs puzzle.
On Sat, Nov 17, 2018 at 07:55:33PM -0500, R. Clayton wrote: > I'm on this > > # uname -a > OpenBSD AngkorWat.rclayton.net 6.4 GENERIC.MP#364 amd64 > > # > > and I'm trying to write some file systems on this > > # disklabel -p g sd1 > # /dev/rsd1c: > type: SCSI > disk: SCSI disk > label: Rugged FW USB3 > duid: 7e82b7f3472419e3 > flags: > bytes/sector: 512 > sectors/track: 63 > tracks/cylinder: 255 > sectors/cylinder: 16065 > cylinders: 243201 > total sectors: 3907029168 # total bytes: 1863.0G > boundstart: 0 ^ You didn't run fdisk -i on the disk, right? -Otto > boundend: 3907029168 > drivedata: 0 > 16 partitions: > #size offset fstype [fsize bsize cpg] > c: 1863.0G0 unused > i: 600.0G 128 4.2BSD 8192 65536 1 > j: 600.0G 1258291328 4.2BSD 8192 65536 1 > k: 663.0G 2516582528 4.2BSD 8192 65536 1 > > # > > so I do this > > # newfs sd1i > > /dev/rsd1i: 614399.9MB in 1258291072 sectors of 512 bytes > > 189 cylinder groups of 3264.88MB, 52238 blocks, 104960 inodes each > > super-block backups (for fsck -b #) at: > >128, 6686592, 13373056, 20059520, 26745984, 33432448, 40118912, 46805376, > 53491840, >60178304, 66864768, 73551232, 80237696, 86924160, 93610624, 100297088, > 106983552, >113670016, 120356480, 127042944, 133729408, 140415872, 147102336, > 153788800, 160475264, >167161728, 173848192, 180534656, 187221120, 193907584, 200594048, > 207280512, 213966976, >220653440, 227339904, 234026368, 240712832, 247399296, 254085760, > 260772224, 267458688, >274145152, 280831616, 287518080, 294204544, 300891008, 307577472, > 314263936, 320950400, >327636864, 334323328, 341009792, 347696256, 354382720, 361069184, > 367755648, 374442112, >381128576, 387815040, 394501504, 401187968, 407874432, 414560896, > 421247360, 427933824, >434620288, 441306752, 447993216, 454679680, 461366144, 468052608, > 474739072, 481425536, >488112000, 494798464, 501484928, 508171392, 514857856, 521544320, > 528230784, 534917248, >541603712, 548290176, 554976640, 561663104, 568349568, 575036032, > 581722496, 588408960, >595095424, 601781888, 608468352, 615154816, 621841280, 628527744, > 635214208, 641900672, >648587136, 655273600, 661960064, 668646528, 675332992, 682019456, > 688705920, 695392384, >702078848, 708765312, 715451776, 722138240, 728824704, 735511168, > 742197632, 748884096, >755570560, 762257024, 768943488, 775629952, 782316416, 789002880, > 795689344, 802375808, >809062272, 815748736, 822435200, 829121664, 835808128, 842494592, > 849181056, 855867520, >862553984, 869240448, 875926912, 882613376, 889299840, 895986304, > 902672768, 909359232, >916045696, 922732160, 929418624, 936105088, 942791552, 949478016, > 956164480, 962850944, >969537408, 976223872, 982910336, 989596800, 996283264, 1002969728, > 1009656192, >1016342656, 1023029120, 1029715584, 1036402048, 1043088512, 1049774976, > 1056461440, >1063147904, 1069834368, 1076520832, 1083207296, 1089893760, 1096580224, > 1103266688, >1109953152, 1116639616, 1123326080, 1130012544, 1136699008, 1143385472, > 1150071936, >1156758400, 1163444864, 1170131328, 1176817792, 1183504256, 1190190720, > 1196877184, >1203563648, 1210250112, 1216936576, 1223623040, 1230309504, 1236995968, > 1243682432, >1250368896, 1257055360, > newfs: ioctl (WDINFO): Input/output error > newfs: /dev/rsd1i: can't rewrite disk label > > # > > and that doesn't look too cool, so I try this > > # fsck /dev/sd1i > ** /dev/rsd1i > ** File system is clean; not checking > > # > > Huh. But newfs is cheap, so I try it again > > # newfs sd1i > /dev/rsd1i: 614399.9MB in 1258291072 sectors of 512 bytes > 189 cylinder groups of 3264.88MB, 52238 blocks, 104960 inodes each > super-block backups (for fsck -b #) at: >128, 6686592, 13373056, 20059520, 26745984, 33432448, 40118912, 46805376, > 53491840, >60178304, 66864768, 73551232, 80237696, 86924160, 93610624, 100297088, > 106983552, >113670016, 120356480, 127042944, 133729408, 140415872, 147102336, > 153788800, 160475264, >167161728, 173848192, 180534656, 187221120, 193907584, 200594048, > 207280512, 213966976, >220653440, 227339904, 234026368, 240712832, 247399296, 254085760, > 260772224, 267458688, >274145152, 280831616, 287518080, 294204544, 300891008, 307577472, > 314263936, 320950400, >327636864, 334323328, 341009792, 347696256, 354382720, 361069184, > 367755648, 374442112, >381128576, 387815040, 394501504, 401187968, 407874432, 414560896,
A small newfs puzzle.
I'm on this # uname -a OpenBSD AngkorWat.rclayton.net 6.4 GENERIC.MP#364 amd64 # and I'm trying to write some file systems on this # disklabel -p g sd1 # /dev/rsd1c: type: SCSI disk: SCSI disk label: Rugged FW USB3 duid: 7e82b7f3472419e3 flags: bytes/sector: 512 sectors/track: 63 tracks/cylinder: 255 sectors/cylinder: 16065 cylinders: 243201 total sectors: 3907029168 # total bytes: 1863.0G boundstart: 0 boundend: 3907029168 drivedata: 0 16 partitions: #size offset fstype [fsize bsize cpg] c: 1863.0G0 unused i: 600.0G 128 4.2BSD 8192 65536 1 j: 600.0G 1258291328 4.2BSD 8192 65536 1 k: 663.0G 2516582528 4.2BSD 8192 65536 1 # so I do this # newfs sd1i /dev/rsd1i: 614399.9MB in 1258291072 sectors of 512 bytes 189 cylinder groups of 3264.88MB, 52238 blocks, 104960 inodes each super-block backups (for fsck -b #) at: 128, 6686592, 13373056, 20059520, 26745984, 33432448, 40118912, 46805376, 53491840, 60178304, 66864768, 73551232, 80237696, 86924160, 93610624, 100297088, 106983552, 113670016, 120356480, 127042944, 133729408, 140415872, 147102336, 153788800, 160475264, 167161728, 173848192, 180534656, 187221120, 193907584, 200594048, 207280512, 213966976, 220653440, 227339904, 234026368, 240712832, 247399296, 254085760, 260772224, 267458688, 274145152, 280831616, 287518080, 294204544, 300891008, 307577472, 314263936, 320950400, 327636864, 334323328, 341009792, 347696256, 354382720, 361069184, 367755648, 374442112, 381128576, 387815040, 394501504, 401187968, 407874432, 414560896, 421247360, 427933824, 434620288, 441306752, 447993216, 454679680, 461366144, 468052608, 474739072, 481425536, 488112000, 494798464, 501484928, 508171392, 514857856, 521544320, 528230784, 534917248, 541603712, 548290176, 554976640, 561663104, 568349568, 575036032, 581722496, 588408960, 595095424, 601781888, 608468352, 615154816, 621841280, 628527744, 635214208, 641900672, 648587136, 655273600, 661960064, 668646528, 675332992, 682019456, 688705920, 695392384, 702078848, 708765312, 715451776, 722138240, 728824704, 735511168, 742197632, 748884096, 755570560, 762257024, 768943488, 775629952, 782316416, 789002880, 795689344, 802375808, 809062272, 815748736, 822435200, 829121664, 835808128, 842494592, 849181056, 855867520, 862553984, 869240448, 875926912, 882613376, 889299840, 895986304, 902672768, 909359232, 916045696, 922732160, 929418624, 936105088, 942791552, 949478016, 956164480, 962850944, 969537408, 976223872, 982910336, 989596800, 996283264, 1002969728, 1009656192, 1016342656, 1023029120, 1029715584, 1036402048, 1043088512, 1049774976, 1056461440, 1063147904, 1069834368, 1076520832, 1083207296, 1089893760, 1096580224, 1103266688, 1109953152, 1116639616, 1123326080, 1130012544, 1136699008, 1143385472, 1150071936, 1156758400, 1163444864, 1170131328, 1176817792, 1183504256, 1190190720, 1196877184, 1203563648, 1210250112, 1216936576, 1223623040, 1230309504, 1236995968, 1243682432, 1250368896, 1257055360, newfs: ioctl (WDINFO): Input/output error newfs: /dev/rsd1i: can't rewrite disk label # and that doesn't look too cool, so I try this # fsck /dev/sd1i ** /dev/rsd1i ** File system is clean; not checking # Huh. But newfs is cheap, so I try it again # newfs sd1i /dev/rsd1i: 614399.9MB in 1258291072 sectors of 512 bytes 189 cylinder groups of 3264.88MB, 52238 blocks, 104960 inodes each super-block backups (for fsck -b #) at: 128, 6686592, 13373056, 20059520, 26745984, 33432448, 40118912, 46805376, 53491840, 60178304, 66864768, 73551232, 80237696, 86924160, 93610624, 100297088, 106983552, 113670016, 120356480, 127042944, 133729408, 140415872, 147102336, 153788800, 160475264, 167161728, 173848192, 180534656, 187221120, 193907584, 200594048, 207280512, 213966976, 220653440, 227339904, 234026368, 240712832, 247399296, 254085760, 260772224, 267458688, 274145152, 280831616, 287518080, 294204544, 300891008, 307577472, 314263936, 320950400, 327636864, 334323328, 341009792, 347696256, 354382720, 361069184, 367755648, 374442112, 381128576, 387815040, 394501504, 401187968, 407874432, 414560896, 421247360, 427933824, 434620288, 441306752, 447993216, 454679680, 461366144, 468052608, 474739072, 481425536, 488112000, 494798464, 501484928, 508171392, 514857856, 521544320, 528230784, 534917248, 541603712, 548290176, 554976640, 561663104, 568349568, 575036032, 581722496, 588408960, 595095424, 601781888, 608468352, 615154816, 621841280, 628527744, 635214208, 641900672,