Partition IDs in the New World TM
Quoted 1 line · Andrew Clausen
can anyone remember why we have partition IDs?
Partition IDs are not necessary. Linux works fine when you have no partition table at all, and have a parttab file in an initrd disk telling the kernel where the partitions are supposed to be.
No kernel changes required. Today you do not need partition IDs. Today you can dynamically add and delete partitions, without involving anything like a partition table.
But people use various schemes to partition their disks, mainly because also other operating systems like DOS or MacOS use the same disks. In such a situation it is useful to agree with the other OS on where the partitions are.
Andries
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On a system with nothing but linux installed does partitioning slow things down?
I have...
/dev/hda1 93309 27520 60972 32% / /dev/hda3 2885812 1042304 1696916 39% /usr /dev/hda5 4806904 1989612 2573108 44% /home /dev/hda6 4806904 913044 3649676 21% /var /dev/hda7 4806904 1345696 3217024 30% /home/ftp /dev/hda8 4806904 2170136 2392584 48% /home/ftp/debian/dists/potato /dev/hda9 4806904 1352776 3209944 30% /home/ftp/debian/dists/woody /dev/hda10 2284880 904832 1263980 42% /home/ftp/debian/pool /dev/hdb1 3844584 721632 2927656 20% /home/shared /dev/hdb2 3844616 4092 3645224 1% /home/ftp/debian/dists/sid
plus hdb3 not yet mounted anywhere
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