Re: [opensuse] Maximum number of partitons

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On Monday, 2010-01-11 at 20:38 +0100, Istvan Gabor wrote:

What is the maximum number of partitions that can reside on a hard disk and/or can be handled by openSUSE? (I know that max 4 primary, of which one can be extended, and the extended one has logical partitions.) I read somewhere that some version of openSUSE can handle only a limited number of partitons (~10-12) if a given driver (libata or not the libata or ?) is choosen to handle disks. But I can't recall where I read this and in what extent it is correct. I've read the release notes of 11.0, 11.1 and 11.2 but did not find anything related. I am planning to make more than 10 partitions and I would like to see clearly. I am using openSUSE 10.3 and experimenting with 11.1 and 11.2.

In 10.3 you have unlimited (meaning 63) number of partitions (only four primary), if you use the traditional library with IDE disks (PATA), which gives names like hda, hdb, hdc, etc. If you use the new library (sda, sdb, sdc...), which emulates scsi, you have partitions 1..15, that's all. For SATA drives you need the new library, no choice.

However, in 11.2 you have again unlimited (AFAIK, really unlimited) number of partitions with scsi names, ie, the new library. This is new, and I understand, pushed by suse/novell on the kernel :-)


Then, if you use LVM, you can have many partitions.

- -- Cheers,
Carlos E. R.

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