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mkisofs and cdrecord with tar
Note that the tar command componet is comm'ed-out;
-dummy is specified to turn off the laser (to avoid wasting a CD); and -dd is specifed to provide more diagnostics. I'm having problems with the device designation. Suggestions anyone? The backup_whatever script: #tar -c /www/vhosts/website.org | \ mkisofs -stream-media-size 333000 | \ cdrecord -dummy -dd dev=/dev/acd0 -dao tsize=333000s - Execution failure: # backup_whatever dev: '/dev/acd0' speed: -1 fs: -1 driveropts '(NULL POINTER)' Cdrecord-Clone 2.01 (i386-unknown-freebsd4.8) Copyright (C) 1995-2004 Jörg Schilling TOC Type: 1 = CD-ROM fs: 4194304 buflen: 4198400 cdrecord: shared memory segment attached at: 28156000 size 4198400 buf: 28156000 bufend: 28557000, buflen: 4198400 buf: 28156000 bufend: 28557000, buflen: 4198400 (align 0) scsidev: '/dev/acd0' devname: '/dev/acd0' scsibus: -2 target: -2 lun: -2 scg__open(/dev/acd0) -2,-2,-2 cdrecord: Invalid argument. Open by 'devname' not supported on this OS. Cannot open SCSI driver. cdrecord: For possible targets try 'cdrecord -scanbus'. cdrecord: For possible transport specifiers try 'cdrecord dev=help'. # . . .so we run with -scanbus: # cdrecord -scanbus Cdrecord-Clone 2.01 (i386-unknown-freebsd4.8) Copyright (C) 1995-2004 Jörg Schilling cdrecord: Device not configured. Open of /dev/xpt0 failed. Cannot open SCSI driver. cdrecord: For possible targets try 'cdrecord -scanbus'. cdrecord: For possible transport specifiers try 'cdrecord dev=help'. # . . .don't know where /dev/xpt0 came from !!! Well . . .attempt with dev=scsibus,target,lun scenario (e.g., dev=0,1,0) #tar -c /www/vhosts/website.org | \ mkisofs -stream-media-size 333000 | \ cdrecord -dummy -dd dev=0,1,0 -dao tsize=333000s - # backup_whatever dev: '0,1,0' speed: -1 fs: -1 driveropts '(NULL POINTER)' Cdrecord-Clone 2.01 (i386-unknown-freebsd4.8) Copyright (C) 1995-2004 Jörg Schilling TOC Type: 1 = CD-ROM fs: 4194304 buflen: 4198400 cdrecord: shared memory segment attached at: 28156000 size 4198400 buf: 28156000 bufend: 28557000, buflen: 4198400 buf: 28156000 bufend: 28557000, buflen: 4198400 (align 0) scsidev: '0,1,0' scsibus: 0 target: 1 lun: 0 scg__open() 0,1,0 cdrecord: Device not configured. Cannot open SCSI driver. cdrecord: For possible targets try 'cdrecord -scanbus'. cdrecord: For possible transport specifiers try 'cdrecord dev=help'. archaxis # Last edited by rtwingfield; 13th August 2010 at 11:28 AM. Reason: . . .grammar & spelling corrections. |
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