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Partitioning in ESX Servers PDF Print E-mail
Written by Siva   
Saturday, 06 November 2010 14:44

 

    If you’re using ESX  ensure your disk partitioning is correct and ready for the future.  (this is updated for vSphere 4):

     

     

    Mount point

    Type

    Size

    Comments

    /

    ext3

    5120MB

    The root partition stores the ESX system. If this partition has no free space, the ESX host will most likely crash. It is very important to prevent this.

     

    Assign  25GB if you have more space - Best Practice.

     

    swap

    1600MB

    The swap partition is used to swap memory pages if there is no more physical memory for the service console. Keep in mind future needs like service console agents for back-up or monitoring.

    /var

    ext3

    4096MB

    The var partition stores most system logs. Creating a separate var partition provides dedicated log storage space (/var/log) while protecting the root partition from being filled by log files. Normally the var partition is part of the root partition.

     

    Assign 12GB if you have more space - Best Practice.

    /home

    ext3

    2048MB

    The home partition is created to prevent the root partition from filling up. By default the home partition is part of the root partition. By creating a separate partition for it the root partition will be protected from filling up. Service console accounts (not vCenter) each get a separate home folder.

    /opt

    ext3

    2048MB

    The opt partition stores HA log files and is created to avoid filling the root partition. By default the opt partition is part of the root partition.

    /tmp

    ext3

    2048MB

    The tmp partition is also created to prevent filling of the root partition. Tmp can be used to extract patches and stage patches. By default the tmp partition is part of the root partition.

     

    Assign  5GB if you have more space - Best Practice.

    /boot

    ext3

    1100MB

    The boot partition stores the files necessary to boot the service console.

     

    --Automatically created by the installer but not displayed.

     

    vmkcore

    150MB

    The vmkcore partition temporarily stores log and error information in case of a VMkernel crash.

     

     --Automatically created by the installer but not displayed.

     

     

    In VI3:

     

     

     

    Partitions

    Mount

    Type

    Default

    Size

    Function

    Memory

    Recommended

    Size

    /boot

    ext3

    100MB

    Boot files

     

    200MB

    /

    ext3

    5GB

    Root of SC

     

    25GB

    None

    swap

    544MB

    Swap Memory

    272MB

    For SC.

    800MB Max Memory

    1600MB Partition

    /var/log

    ext3

    2GB

    Logs stored

     

    12GB

    None

    VMFS 3

    Vary

     

     

     

    None

    vmkore

    100MB

    **

     

     

     

     

     

     

     

     

     

 
 

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