On Sunday 25 November 2007 16:51:31 Lanny Marcus wrote: > Hello: Starting Friday afternoon, I blew away the installations on the > three (3) boxes we use as Desktops. On two (2) of them (my Dell > Dimension 2400 and my wife's Compaq Evo D300v), I have MS Windows XP > and CentOS5 running. :-) On my daughters box (Dell Dimension 4300) > I am having problems with the partitioning. Probably this is due to > some mistake I have made, with regard to "Active" or "Primary" > partitions? The HD has four (4) NTFS partitions on dev/hda. hda1 > > hda4. According to the partition table shown in the CentOS5 > installation, there is 27925 MB of Free Space on the HD. If I try to > create a /boot partition (100 MB) or an LVM, I get: "Error > partitioning - Could not allocate requested partitions. Partitioning > failed. Could not allocate partitions as primary partitions. Not > enough space left to create partition for /boot More or less the > same error: "Automatic partitioning errors - You have not defined a > root (/) partition. This can happen if not enough space." What am I > doing wrong on that box? TIA! > - > Lanny > --------------------------------------------------------- > Over 800 Magazine titles up to 85% off > http://lowcostmagazines.com/ > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos I think the problem is that you can only have 4 Primary partitions on a disk. If you to convert one of the NTFS partitions to an extended partition, with the NTFS partition inside it. Personally, if you want to keep the 4 drive letters in windoz, I would back up the whole disk ("in case"), set up the disk with 1 Primary NTFS partition and an extended Partition with the other 3 NTFS partitions inside it. Leave the free space as free space and let the CentOS installer to use the free space as it sees fit