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  • 1.  Replace ESXi hard disk with bigger one

    Posted Sep 21, 2021 02:36 PM

    Hi all,

    I've an ESXi server all installed on RAID1 volume (Hypervisor + DataStore in one Volume).

    Now I've to replace the HDs with bigger ones.

    I was wondering if it's save to:

    physically install 2 new bigger drives 

    - Create a new RAID1 chain with them

    - Create a new Volume on new RAID chain

    - CloneZilla ESXi to new Volume as it is

    - add unused space to datastore (new drives are bigger)

    Do you think it's a save way ?


    Is there a better way but without using USB or SD, keeping only one disk for ESXi and datastore. ?


    Many thanks in advance

  • 2.  RE: Replace ESXi hard disk with bigger one

    Posted Sep 23, 2021 06:06 AM


    basically your raid controller should support to replace the old disk with the new bigger one, and then resize your raid1.

    Alternatively I would try to  configure a new raid1, then change the boot order to this and install the esx as a new one.

    On the Dell servers you can create 2 virtual disks (vd) on your raid1,  the first  with ca. 30 GB and the second with the rest of the capacity.

    Then  I would use the Veeam (test license) to clone the vms.


    Just my thoughts.


    Christian Z.