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UNIX for Dummies Questions & Answers
Upgrade Hard Disk to a larger one
Post 3556 by Neo on Thursday 5th of July 2001 03:10:08 PM
07-05-2001
Administrator
Here is how I upgrade hard disks:
NOTE: This works only for partitions that do not have boot information !!!!!!
(1) Install the new )raw) hard disk on the system bus. Keep the old HD you wish to replace in place and operating as normal.
(2) Format the new drive, create a new filesystem and mount it.
(3) If step (2) goes OK then copy all the files from the old drive to the new drive using the cp command that preserves all permissions and symbolic links.
(4) After (3) is finished (might take some time for a lot of files); check to see if all is OK.
(5) Change fstab (the filesystem table) to mount the new drive in place of the old drive and mount the old drive is a new (temporary place).
(6) Reboot the system.
If you have done (1 - 5) correctly, the system will reboot with the new super drive in place of the old drive. The old drive will be mounted somewhere else. After all is well, you can decide what to do with the old drive.
NOTE: This works only for partitions that do not have boot information !!!!!!
If you are replacing the disk with boot sectors, this will not work. That requires more work
NOTE: This works only for partitions that do not have boot information !!!!!!
(1) Install the new )raw) hard disk on the system bus. Keep the old HD you wish to replace in place and operating as normal.
(2) Format the new drive, create a new filesystem and mount it.
(3) If step (2) goes OK then copy all the files from the old drive to the new drive using the cp command that preserves all permissions and symbolic links.
(4) After (3) is finished (might take some time for a lot of files); check to see if all is OK.
(5) Change fstab (the filesystem table) to mount the new drive in place of the old drive and mount the old drive is a new (temporary place).
(6) Reboot the system.
If you have done (1 - 5) correctly, the system will reboot with the new super drive in place of the old drive. The old drive will be mounted somewhere else. After all is well, you can decide what to do with the old drive.
NOTE: This works only for partitions that do not have boot information !!!!!!
If you are replacing the disk with boot sectors, this will not work. That requires more work
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LEARN ABOUT PHP
mount_pcfs
mount_pcfs(1M) System Administration Commands mount_pcfs(1M) NAME
mount_pcfs - mount pcfs file systems SYNOPSIS
mount -F pcfs [generic_options] [-o FSType-specific_options] special | mount_point mount -F pcfs [generic_options] [-o FSType-specific_options] special mount_point DESCRIPTION
mount attaches an MS-DOS file system (pcfs) to the file system hierarchy at the mount_point, which is the pathname of a directory. If mount_point has any contents prior to the mount operation, these are hidden until the file system is unmounted. If mount is invoked with special or mount_point as the only arguments, mount will search /etc/vfstab to fill in the missing arguments, including the FSType-specific_options; see mount(1M) for more details. The special argument can be one of two special device file types: o A floppy disk, such as /dev/diskette0 or /dev/diskette1. o A DOS logical drive on a hard disk expressed as device-name:logical-drive , where device-name specifies the special block device-file for the whole disk and logical-drive is either a drive letter (c through z) or a drive number (1 through 24). Examples are /dev/dsk/c0t0d0p0:c and /dev/dsk/c0t0d0p0:1. The special device file type must have a formatted MS-DOS file system with either a 12-bit, 16-bit, or 32-bit File Allocation Table. OPTIONS
generic_options See mount(1M) for the list of supported options. -o Specify pcfs file system specific options. The following options are supported: foldcase|nofoldcase Force uppercase characters in filenames to lowercase when reading them from the filesystem. This is for compatibility with the pre- vious behavior of pcfs. The default is nofoldcase. FILES
/etc/mnttab table of mounted file systems /etc/vfstab list of default parameters for each file system ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWesu | +-----------------------------+-----------------------------+ SEE ALSO
mount(1M), mountall(1M), mount(2), mnttab(4), vfstab(4), attributes(5), pcfs(7FS) NOTES
If the directory on which a file system is to be mounted is a symbolic link, the file system is mounted on the directory to which the sym- bolic link refers, rather than on top of the symbolic link itself. SunOS 5.10 24 Nov 2003 mount_pcfs(1M)