volcopy_sfs(1M)

volcopy_sfs -- make a literal copy of a sfs filesystem

Synopsis

volcopy [-F sfs] [generic_options] [current_options]
fsname srcdevice volname1 destdevice volname2

Description

generic_options are options supported by the generic volcopy command. current_options are options supported by the s5-specific module of volcopy.

volcopy makes a literal copy of the sfs filesystem using a blocksize matched to the device.

sfs-specific options

-F sfs

Specify the sfs FSType. If -F sfs is not specified heuristics similiar to those used by fstyp(1M) are used to determine the file system type.

NOTE: This command executes faster if it is not required to autodetect file system types. If possible, specify the -F sfs.

-a

Invoke a verification sequence requiring a positive operator response instead of the standard 10-second delay before the copy is made. A positive response is always required to override warnings about mismatched system names.

Other options are used with both 9-track and cartridge tapes (cartridge tapes are treated as if they were 9-track tapes.)

-bpidensity: bits per inch
-feetsize: size of reel in feet
-reelnum: beginning reel number for a restarted copy
-buf: use double buffered I/O
-e: process until the end of tape, then ask for the next tape in sequence.

If the -e option is not selected, the program requests length and density information if this is not given on the command line or if it is not recorded on an input tape label. If the filesystem is too large to fit on one reel, volcopy prompts for additional reels. Labels of all reels are checked. Tapes may be mounted alternately on two or more drives. If volcopy is interrupted, it asks if the user wants to quit or wants to escape to the command interpreter. In the latter case, the user can perform other operations (such as labelit) and return to volcopy by exiting the command interpreter. Note that the -e and -feet options are mutually exclusive.

The fsname argument represents the mounted name (for example, ``root'', ``usr'', and so on) of the filesystem being copied.

The srcdevice or destdevice should be the disk partition or tape (for example, /dev/rdsk/1s5, /dev/rmt/c0s0, and so on).

The volname is the physical volume name. Such label names contain up to six characters. volname may be ``-'' to use the existing volume name.

srcdevice and volname1 are the device and volume from which the copy of the filesystem is being extracted. destdevice and volname2 are the target device and volume.

fsname and volname are recorded in the superblock.

When copying from disk to tape, volcopy saves the system name and the size and creation date of the LTDB. When copying from tape to disk, volcopy issues warnings if the system name does not match or the LTDB has changed. A positive response is required to continue processing after a warning is issued.

Files

/var/adm/log/filesave.log: a record of filesystems/volumes copied

Diagnostics

The following security warnings may be displayed when restoring a file system from tape:

   UX:volcopy:WARN: System name name of creating system does
   not match system name name of destination system.

Unless the two systems have identical user, group, and level databases, security attributes of the restored files will be invalid. Only use volcopy to transfer file systems between systems if the security databases of the two systems are identical.

   UX:volcopy:WARN:System is single level, archive is multilevel.

This indicates MAC is not installed on the current system, but was installed on the system when the backup was done. The system ignores levels of the restored files, and access is limited only by DAC.

References

cpio(1), dd(1M), fs_sfs(4), fstyp(1M), generic labelit(1M), generic volcopy(1M)

Notices

volcopy does not support tape-to-tape copying. Use dd(1M) for tape-to-tape copying.