Fujitsu B23Q8YA-G-02-F Manuel D’Utilisation

 

 

 

   

10 

If you are restoring, use the dd(1M) command after booting from the Solaris OS CD/DVD to 

restore the slice unit. 

- 

If you back up slice 0, it will only be possible to restore to a disk having the same physical 

properties (disk space, number of cylinders) as the original. 

- 

Disk partition information such as the size of each slice will not be backed up. You must record 

this information separately. 

 

d. 

To back up a disk unit, use the dd(1M) command after booting from the Solaris OS CD/DVD. 

If you are restoring, use the dd(1M) command after booting from the Solaris OS CD/DVD, to 

restore the disk unit. 

- 

Because this procedure backs up the disk unit, it is only possible to restore to a disk having the 

same physical properties (disk space, number of cylinders) as the original. 

 

Depending on the tape device, you might have to observe some precautions when backing up or restoring. 

Consult the manual of the tape device before such actions. 

It is recommended that you select the SCSI device having the target ID 0 for Solaris OS installation. In this 

case, the device name of the system disk will be "c0t0d0" obtained from the controller number (0), target ID 

(0), and LUN number (0). If you install Solaris OS on a disk, having a controller number other than 0, the 

controller number may change later depending on whether booting took place from a CD/DVD or a hard 

disk. Thus when referring to disk device, check that it's name haven't changed due to the reason described 

above. 

If you apply the optional software that contains modules that run as part of the driver and file system of the 

system disk, carefully follow the instructions and notes described in the manuals supplied with each 

software option. 

For example, if you configure disk mirroring using PRIMECLUSTER GDS, you must select the backup 

procedures mentioned in b. In addition, if the system disk contains a file system other than a ufs file system 

such as PRIMECLUSTER GFS, you must select the backup procedures using the backup command 

provided in the file system or the dd(1M) command. 

The following describes how to back up the file system unit using the ufsdump(1M) command. "Solaris 

System Administration Guide" also describes the following procedures. 

Note that disk partition information such as the size of each slice will not be backed up. Therefore, you must 

record the information separately using the prtvtoc(1M) or format(1M) commands. 

 

# prtvtoc XXXX <Return> 

or 

# format XXXX

turn> 

 <Re

format> partition 
partition> print 

 

The "XXXX" in the above example is the character device name of the target disk. Use slice 2 of the disk, 

like : 

/dev/rdsk/c0t0d0s2. 

In single-user mode use the following procedures to back-up each file system. After backing up, reboot the 

system. 

1. 

Boot the system in single-user mode.