Solaris SUN OS 4.1.3 machine clone

I had this question after viewing Solaris SUN OS 4.1.3 machine clone.

#dump 0ucf root.dump /
 DUMP: Date of this level 0 dump: Mon Nov 7
 DUMP : Date of last level 0 dump: the epoch
 DUMP: Dumping /dev/rsd0a (/) to root.dump
 DUMP: mapping (Pass I) [regular files]
 DUMP: mapping (Pass II) [directories]
 DUMP: estimated 97024 blocks (47.38MB) on 1.11 tape(s).
 DUMP: mapping (Pass III) [directories]
 DUMP: mapping (Pass IV) [regular files]

 /: write failed file system is full
 DUMP: Tape write error 1255 feet into tape 1
 DUMP: NEEDS ATTENTION: Do you want to restart?: ("yes" or "no")


I have executed the dump command as it is?
dump 0ucf root.dump /  
I was following it as ufsdump format as mentioned in earlier post.
Yes I feel so it is running out of space but why the command is directing to tape, what should be dump command accordingly to store in disk?
Puneeth MHAsked:
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Hanno P.S.IT Consultant and Infrastructure ArchitectCommented:
The ufsdump command isually writes to tape but cou can instruct it to use a flat file instead.
That's what the "f" option is used for.
Standard is to use /dev/rmt0 (or something similiar), which is a tape device.
Therefore, it always thinks it's writing to a tape (device), hence the message.

Make sure to write the dump file NOT into your root filesystem, but somewhere else. Example:
ufsdump 0ucf /export/home/root-fs-dump

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Puneeth MHAuthor Commented:
Thank you.
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