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I had this question after viewing <a href="https://www.experts-exchange.com/questions/28980996/Solaris-SUN-OS-4-1-3-machine-clone.html" rel="ugc">Solaris SUN OS 4.1.3 machine clone</a>. 
 
#dump 0ucf root.dump / 
&nbsp;DUMP: Date of this level 0 dump: Mon Nov 7 
&nbsp;DUMP : Date of last level 0 dump: the epoch 
&nbsp;DUMP: Dumping /dev/rsd0a (/) to root.dump 
&nbsp;DUMP: mapping (Pass I) [regular files] 
&nbsp;DUMP: mapping (Pass II) [directories] 
&nbsp;DUMP: estimated 97024 blocks (47.38MB) on 1.11 tape(s). 
&nbsp;DUMP: mapping (Pass III) [directories] 
&nbsp;DUMP: mapping (Pass IV) [regular files] 
 
&nbsp;/: write failed file system is full 
&nbsp;DUMP: Tape write error 1255 feet into tape 1 
&nbsp;DUMP: NEEDS ATTENTION: Do you want to restart?: (&quot;yes&quot; or &quot;no&quot;) 
 
 
I have executed the dump command as it is? 
dump 0ucf root.dump / &nbsp; 
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?
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I had this question after viewing Solaris SUN OS 4.1.3 machine clone (https://www.experts-exchange.com/questions/28980996/Solaris-SUN-OS-4-1-3-machine-clone.html).

#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?

Solaris SUN OS 4.1.3 machine clone

The term "Backup" means the methods and processes involved to copy computer data (system data as well as application data) to media other than the ones where the data originally live (disk, tape, optical, cloud). "Restore" in turn means the methods and processes involved in data recovery, i. e., bringing back copied computer data to their original location. Backup/Restore primarily serves as a means of protection against data loss, be it due to disaster, corruption or sabotage. It can also be used for recovering data from an earlier point in time and even for cloning machines or applications. There is a wide variety of backup/restore software available, from expensive commercial products to free or open source tools.