Vmware-vdiskmanager: Difference between revisions
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With this tool that comes with VMware Workstation and VMware Fusion you can perform special disk actions such as: | With this tool that comes with VMware Workstation and VMware Fusion you can perform special disk actions such as: | ||
* shrink | * [[Shrink guest on hosted platform|shrink]] | ||
* defragment | * defragment | ||
* repair | * repair | ||
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* Disk repair option -R was mostly broken from Workstation 8 to Workstation 11. | * Disk repair option -R was mostly broken from Workstation 8 to Workstation 11. | ||
This | This works much better since Fusion 8 / Workstation 12.0 | ||
* You cannot reduce the capacity of a virtual disk. Eg. if you have defined a virtual disk of 10GB in size then you cannot change it to be 8GB in size. This is because any resizing the tool does is irregardless of the partition definitions, as this is potentially a | * You cannot reduce the capacity of a virtual disk. Eg. if you have defined a virtual disk of 10GB in size then you cannot change it to be 8GB in size. This is because any resizing the tool does is irregardless of the partition definitions, as this is potentially a destructive operation it is not allowed. | ||
Even if you grow a disk in size you will have to adjust the partitions after the resize. | Even if you grow a disk in size you will have to adjust the partitions after the resize. | ||
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ex 8: vmware-vdiskmanager.exe -p <mount-point> | ex 8: vmware-vdiskmanager.exe -p <mount-point> | ||
(A virtual disk first needs to be mounted at <mount-point>) | (A virtual disk first needs to be mounted at <mount-point>) | ||
=== Split disks === | |||
Up until Workstation 11 / Fusion 7 a split disk would never be larger as 2GB. | |||
Due to the virtual disk sizes growing and the extra limitations - such as max open files - that could be hit with larger disks, this is no longer the case for split virtual disks. | |||
Nowadays the split disk size (= extent size) depends on the size you have set your virtual disk to be. | |||
The new split disk scheme | |||
Capacity Extent size | |||
================================ | |||
<=128GB 4GB (increased from 2GB) | |||
>128GB && <2TB Capacity / 32 (so maximum of 32 extents) | |||
>=2TB 2TB | |||
This means that if you want to keep your Virtual Disks to be transportable via FAT32 that you probably should keep your disk sizes under 128GB. | |||
Note that NTFS or HFS has no such limitation, so choosing your maximum virtual disk size depends on need. | |||
=== External links === | === External links === | ||
* [http://kb.vmware.com/kb/1023856 Repairing a virtual disk in Fusion 3.1 and Workstation 7.1] | * [http://kb.vmware.com/kb/1023856 Repairing a virtual disk in Fusion 3.1 and Workstation 7.1] | ||
