you have to leave room for the real disk labels. sd1: |label----------| sd2: |label----------| ccd0:|label--------------------------|
if you set things up like above, the sd labels get trounced. On Thu, 1 Sep 2005, Erik Sabowski wrote: > I am trying to use ccdconfig on 2 identical disks to make one big partition. > for some reason, the resulting partition is equal in size to one of the > disks, instead of being the size of both disks put together. > > first i set up the disks: > > # disklabel sd1 > # using MBR partition 3: type A6 off 63 (0x3f) size 35840952 (0x222e3b8) > # /dev/rsd1c: > type: SCSI > disk: SCSI disk > label: DNES-318350Y > flags: > bytes/sector: 512 > sectors/track: 312 > tracks/cylinder: 10 > sectors/cylinder: 3120 > cylinders: 11474 > total sectors: 35843670 > rpm: 7200 > interleave: 1 > trackskew: 0 > cylinderskew: 0 > headswitch: 0 # microseconds > track-to-track seek: 0 # microseconds > drivedata: 0 > > 16 partitions: > # size offset fstype [fsize bsize cpg] > c: 35843670 0 unused 0 0 # Cyl 0 - > 11488* > e: 35843584 63 4.2BSD 2048 16384 408 # Cyl 0*- > 11488* > > (/dev/sd2 is exactly the same) > > next i run newfs on both disks: > > # newfs /dev/sd1e > newfs: /dev/sd1e: not a character-special device > Warning: 536 sector(s) in last cylinder unallocated > /dev/sd1e: 35843584 sectors in 45954 cylinders of 2 tracks, 312 sectors > 17501.8MB in 113 cyl groups (408 c/g, 155.39MB/g, 19840 i/g) > super-block backups (for fsck -b #) at: > 32, 318592, 636512, 955072, 1272992, 1591552, 1909472, 2228032, 2545952, > 2864512, 3182432, 3500992, 3818912, 4137472, 4455392, 4773952, > 5091872, 5410432, 5728352, 6046912, 6364832, 6683392, 7001312, 7319872, > 7637792, 7956352, 8274272, 8592832, 8910752, 9229312, 9547232, > 9865792, 10183712, 10502272, 10820192, 11138752, 11456672, 11775232, > 12093152, 12411712, 12729632, 13048192, 13366112, 13684672, 14002592, > 14321152, 14639072, 14957632, 15275552, 15594112, 15912032, 16230592, > 16548512, 16867072, 17184992, 17503552, 17821472, 18140032, 18457952, > 18776512, 19094432, 19412992, 19730912, 20049472, 20367392, 20685952, > 21003872, 21322432, 21640352, 21958912, 22276832, 22595392, 22913312, > 23231872, 23549792, 23868352, 24186272, 24504832, 24822752, 25141312, > 25459232, 25777792, 26095712, 26414272, 26732192, 27050752, 27368672, > 27687232, 28005152, 28323712, 28641632, 28960192, 29278112, 29596672, > 29914592, 30233152, 30551072, 30869632, 31187552, 31506112, 31824032, > 32142592, 32460512, 32779072, 33096992, 33415552, 33733472, 34052032, > 34369952, 34688512, 35006432, 35324992, 35642912, > > (output for /dev/sd2e is exactly the same) > > then i run ccdconfig and run newfs: > > # ccdconfig ccd0 32 0 /dev/sd1e /dev/sd2e > # newfs ccd0c > Warning: 452 sector(s) in last cylinder unallocated > /dev/rccd0c: 35843668 sectors in 45954 cylinders of 2 tracks, 312 sectors > 17501.8MB in 113 cyl groups (408 c/g, 155.39MB/g, 19840 i/g) > super-block backups (for fsck -b #) at: > 32, 318592, 636512, 955072, 1272992, 1591552, 1909472, 2228032, 2545952, > 2864512, 3182432, 3500992, 3818912, 4137472, 4455392, 4773952, > 5091872, 5410432, 5728352, 6046912, 6364832, 6683392, 7001312, 7319872, > 7637792, 7956352, 8274272, 8592832, 8910752, 9229312, 9547232, > 9865792, 10183712, 10502272, 10820192, 11138752, 11456672, 11775232, > 12093152, 12411712, 12729632, 13048192, 13366112, 13684672, 14002592, > 14321152, 14639072, 14957632, 15275552, 15594112, 15912032, 16230592, > 16548512, 16867072, 17184992, 17503552, 17821472, 18140032, 18457952, > 18776512, 19094432, 19412992, 19730912, 20049472, 20367392, 20685952, > 21003872, 21322432, 21640352, 21958912, 22276832, 22595392, 22913312, > 23231872, 23549792, 23868352, 24186272, 24504832, 24822752, 25141312, > 25459232, 25777792, 26095712, 26414272, 26732192, 27050752, 27368672, > 27687232, 28005152, 28323712, 28641632, 28960192, 29278112, 29596672, > 29914592, 30233152, 30551072, 30869632, 31187552, 31506112, 31824032, > 32142592, 32460512, 32779072, 33096992, 33415552, 33733472, 34052032, > 34369952, 34688512, 35006432, 35324992, 35642912, > > as you can already see, the size of ccd0c is the same each of the 2 > individual > disks, and mounting it shows this: > > # mount /dev/ccd0c /mnt/ > # df -h > Filesystem Size Used Avail Capacity Mounted on > /dev/sd0a 147M 37.1M 102M 27% / > /dev/sd0h 2.1G 16.0K 2.0G 0% /home > /dev/sd0d 295M 2.0K 281M 0% /tmp > /dev/sd0g 3.9G 801M 3.0G 21% /usr > /dev/sd0e 9.8G 6.9M 9.3G 0% /var > /dev/ccd0c 16.8G 2.0K 16.0G 0% /mnt > > so i am stumped. am i missing something totally obvious here? > also, i noticed that when i run 'ccdconfig -U afterwards, the disklabel > for /dev/sd2e has changed slighty: > > # size offset fstype [fsize bsize cpg] > a: 35840952 63 unused 0 0 # Cyl 0*- > 11487* > c: 35843670 0 unused 0 0 # Cyl 0 - > 11488* > > don't know if that is normal or not > > any help would be appreciated, thanks > > erik > > -- And that's why you should cast your ballot today.
