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Dual boot partitioning

Introduction

Note:

All the following discussion refers to a dual boot system Balsam Professional / Windows (XP or Vista) that is installed on a hard disk. Older Windows versions as well as multi-plate systems (including RAID) are neglected here, since these cases, depending on individual system design can be much more complicated than the scenarios presented here.

Foundations, prior knowledge

You should already be familiar with your system before partitioning a hard drive. You should be familiar with partitioning, and hard drives before you makes changes that may lead to a useless system.

General information and recommendations are to the parallel operation of Windows Professional and Balsamic on the side of MS-Windows integration - there are in particular the article "Foundations, prior knowledge" of relevance to the described scenarios.

To "correct" partitioning

About the "right" Partitioning a hard disk, there are probably as many views as there are users of hard drives. Therefore, the following scenarios as possible options and recommendations are - and not as a universal "must" - to understand. Please consider this before you get to the partitioning scheme, before you realize that a different partitioning scheme would have made more sense.

Attention!

When "Partition" or "Format" is used, these are delicate operations that require the utmost care by the user. In any case, before any of these operations are commited, make a backup of sensitive data (best of the complete system). A careless or improper procedure for partitioning and / or format may even lead to a complete loss of all data on the affected hard drive - so please be careful and aware of any actions being taken!

Note:

When you add the "left" or "beginning" of the hard disk is mentioned, so that the left part of an imaginary continuum is meant, which represents the blocks and cylinder of the disk from the outside inwards. This continuum is represented in most graphical partitioning programs like GParted by a wide bar. The "end" of the hard drive is located on the right side corresponding to that bar. "Before" of a partition is to say something like "bar on the left of it," "behind" a partition would be right.

Starting point - already installed Windows should continue to be used

In this case, the partitioning depends on the location of the existing Windows partition (s) to the extent it is difficult or impossible to provide specific examples here. However, if one assumes that Windows is typically installed on the first primary partition, so you could use Scenario 1 (see below) as a possible partitioning recommendation.

Case a) No free partition exists

If there is no unused partition, or a sufficiently large unformatted hard disk space is free to shrink existing partitions during the Balsam Professional installation to make room for Balsam Professional. This scheme is proposed automatically. Otherwise, you can set this up manually in expert mode.

Attention!

With the downsizing of Windows drives with FAT32 or NTFS file system, prior defragmentation is mandatory. Otherwise, the Balsam Professional partition either reduce or not there is a chance of data loss. A clean defrag of an NTFS drive under Windows is unfortunately not possible with the Windows defragmentation tool since some files may not move properly. The free usable disk optimizer is recommended.

Note:

With previous partitioning with third party software is to make sure that, in case of mounting the partition errors "No root file system" occur, even though a root partition has been selected. This error can be circumvented by the partition with the program initially will be deleted and then re-created

Case b) deleting a second Windows installation

This will be referred to the first article in the special case dual boot, in which a second Windows should be deleted.

Case c) unused partition is available

If an unused partition or a sufficiently large unformatted hard disk space is free, this place can easily be used during installation for Professional Balsam and partitioned.

Starting point: installation of both systems is desired

If the hard disk is new or empty and / or to be partitioned from scratch, you should rely on the recommendations from the article Dual Boot and install Windows first and then install Balsam Professional, since subsequent installation of Windows requires more effort for the organization of Bootloader (GRUB).

Scenario 1 - Professional Balsam will be the main system, Windows is a parallel imperative

Apart from being hated by many people feel safer when they Balsam Professional and a version of Windows, this can in some cases be absolutely necessary - for example, to use software that is only available on Windows, (continued) to. A typical case would be, for example, control programs or the Adobe Acrobat suite. For this case it is advisable - for simplicity - to put, depending on the required space for the Windows software, a relatively large Windows partition at the beginning of the disk and install Windows first there. One possible partitioning scheme would look as follows:

Partitioning example (Scenario 1):
Partition number
Type Size Mount point / use
1 primary min 15-20 GB for Win XP, Vista. 25 GB Windows
2 primary 512 MB - 1 GB *
linux-swap
3 primary 80-10 GB
/ (Balsam root Professional)
Extended-range (extended partition)
5 logically any (max. remaining free space)
/ Home (home directory)
6 logically any (remaining free space)
arbitrary, depending on demand as a FAT32 exchange partition, / share, etc.

*) Rule of thumb: double the RAM to 1024MB RAM, or RAM easier.

If you eventually give up Windows, you can reformat the partition # 1 single and integrated into the system as additional data storage.

Scenario 2 - Balsam Professional should be tried, Windows is not (yet) need not necessarily

Experience shows that many users get along so well after only a short time with Professional Balsam that an additional installation of Windows is no longer needed. In this case it would be a shame if any one had been held available for Windows partition would remain virtually untapped.

The following example shows a possible partitioning scheme. Therefore, although not excluding an installation of Windows, but still - in eventual abandonment of Windows - allows to use contiguous disk space available.

Partitioning example (Scenario 2):
Partition number Type Size
Mount point / use
1 primary 80-10 GB / (Balsam root Professional)
2 primary 512 MB - 1 GB *
linux-swap
3 primary depending on the space that is occupied for Partition 4 / Home (home directory)
4 primary min 15-20 GB for Win XP, Vista. 25 GB
arbitrary, possibly later, Windows

*) Rule of thumb: double the RAM to 1024MB RAM, or RAM easier.

On an extended partition (Extended partition) is omitted here.

Advantage of this layout is that you can install when needed in Windows partition number 4. If you determine, after some time that Windows really is not (any longer) is required, you can reformat the Windows partition is simply unnecessary and integrate into the system as additional data storage. Thus, the available space in each case is fully utilized without repartitioning the hard drive.

Attention!

A subsequent installation of Windows overwrites the MBR (Master Boot Record) on the hard disk (and hence the Balsam Professional own boot loader to select the desired operating system on startup). Therefore, under certain circumstances it may be required to reinstall GRUB to start Balsam Professional.

Scenario 2a - Older motherboards / exotic filesystems / partitions require more than four

On older motherboards (and correspondingly old BIOS versions) or more "exotic" file systems may be necessary or advantageous to place additional extra boot partition at the beginning of the disk. Moreover, the restriction from Scenario 2 to four partitions can sometimes be too restrictive in the long run, because you can not create additional partitions more.

A possible alternative to Scenario 2 would look into these cases is as follows:

Partitioning example (scenario 2a):
Partition number Type Size
Mount point / use
1 primary 100-250 MB
/ Boot (Balsam Professional boot directory)
2 primary 80-10 GB / (Balsam root Professional)
3 primary min 15-20 GB for Win XP, Vista. 25 GB
arbitrary, possibly later, Windows
Extended-range (extended partition)
5 logically
depending on the space that is occupied for the following partitions / Home (home directory)
(Etc. - depending on how many logical drives are required)
X (end) logically 512 MB - 1 GB *
linux-swap

*) Rule of thumb: double the RAM up to 512MB of RAM, or RAM easier.

The advantage of this scenario is the same as in Scenario 2: You can partition # 3 if necessary reformat install (NTFS) and then Windows.

At a later waiver of Windows you can reformat the partition 3 again simply (eg ext3) and mount as additional data storage into the system. It is therefore necessary in this scenario, no repartitioning, and there is no space unused.

Attention!

A subsequent installation of Windows overwrites the MBR (Master Boot Record) on the hard disk (and hence the Balsam Professional own boot loader to select the desired operating system on startup). Therefore, under this circumstance required to reinstall GRUB to start Balsam Professional.

This article is from [ubot, ubuntuusers.de] and published under the "creative commons licenses"

The information or changes have been made ​​by open-slx, as well as some community members of the portal.

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