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You got a new large disk. What to do? Well, on the software side:
You need not read this HOWTO since there are no problems
with large hard disks these days. The great majority of
apparent problems is caused by people who think there might
be a problem and install a disk manager, or go into
However, typical problem areas are: (i) ancient hardware, (ii) several operating systems on the same disk, and sometimes (iii) booting.
For large SCSI disks: Linux has supported them from very early on. No action required.
For large IDE disks (over 8.4 GB): get a recent stable kernel (2.0.34 or later). Usually, all will be fine now, especially if you were wise enough not to ask the BIOS for disk translations like LBA and the like.
For very large IDE disks (over 33.8 GB): see IDE problems with 34+ GB disks below.
If LILO hangs at boot time, also specify
There may be geometry problems that can be solved by giving an explicit geometry to kernel/LILO/fdisk.
If you have an old
For HPT366, see the Linux HPT366 HOWTO.
If at boot time the kernel cannot read the partition table, consider the possibility that UDMA66 was selected while the controller or the cable or the disk drive did not support UDMA66. In such a case every attempt to read will fail, and reading the partition table is the first thing the kernel does. Make sure no UDMA66 is used.
If you think something is wrong with the size of your disk,
make sure that you are not confusing binary and decimal
and realize that the free space that
If for a removable drive the kernel reports two different sizes, then one is found from the drive, and the other from the disk/floppy. This second value will be zero when the drive has no media.
Now, if you still think there are problems, or just are curious, read on.
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