Ubuntu Server 18.10 Root on SSD with ZFS












0















I would like to move my Ubuntu Server 18.10 installation onto ZFS on an SSD, namely a Samsung 970 EVO.



I have read Ubuntu 18.04 Root on ZFS on the zfsonlinux/zfs wiki. This document outlines the following system requirements:





  • Ubuntu 18.04.1 ("Bionic") Desktop CD (not any server images)

  • A drive which presents 512B logical sectors. Installing on a drive which presents 4KiB logical sectors (a “4Kn” drive) should work with UEFI partitioning, but this has not been tested.




This leads to the following two questions:




  1. Why is this restricted to the Ubuntu Desktop?

  2. Given that cat /sys/block/nvme0n1/queue/hw_sector_size returns 512, am I save to proceed?


  3. ZFSonLinux does not support Trim yet. Will this be a problem? If yes, is there a way to mitigate this problem?






server ssd zfs







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    0















    I would like to move my Ubuntu Server 18.10 installation onto ZFS on an SSD, namely a Samsung 970 EVO.



    I have read Ubuntu 18.04 Root on ZFS on the zfsonlinux/zfs wiki. This document outlines the following system requirements:





    • Ubuntu 18.04.1 ("Bionic") Desktop CD (not any server images)

    • A drive which presents 512B logical sectors. Installing on a drive which presents 4KiB logical sectors (a “4Kn” drive) should work with UEFI partitioning, but this has not been tested.




    This leads to the following two questions:




    1. Why is this restricted to the Ubuntu Desktop?

    2. Given that cat /sys/block/nvme0n1/queue/hw_sector_size returns 512, am I save to proceed?


    3. ZFSonLinux does not support Trim yet. Will this be a problem? If yes, is there a way to mitigate this problem?






    server ssd zfs







    share|improve this question

























      0












      0








      0








      I would like to move my Ubuntu Server 18.10 installation onto ZFS on an SSD, namely a Samsung 970 EVO.



      I have read Ubuntu 18.04 Root on ZFS on the zfsonlinux/zfs wiki. This document outlines the following system requirements:





      • Ubuntu 18.04.1 ("Bionic") Desktop CD (not any server images)

      • A drive which presents 512B logical sectors. Installing on a drive which presents 4KiB logical sectors (a “4Kn” drive) should work with UEFI partitioning, but this has not been tested.




      This leads to the following two questions:




      1. Why is this restricted to the Ubuntu Desktop?

      2. Given that cat /sys/block/nvme0n1/queue/hw_sector_size returns 512, am I save to proceed?


      3. ZFSonLinux does not support Trim yet. Will this be a problem? If yes, is there a way to mitigate this problem?






      server ssd zfs







      share|improve this question














      I would like to move my Ubuntu Server 18.10 installation onto ZFS on an SSD, namely a Samsung 970 EVO.



      I have read Ubuntu 18.04 Root on ZFS on the zfsonlinux/zfs wiki. This document outlines the following system requirements:





      • Ubuntu 18.04.1 ("Bionic") Desktop CD (not any server images)

      • A drive which presents 512B logical sectors. Installing on a drive which presents 4KiB logical sectors (a “4Kn” drive) should work with UEFI partitioning, but this has not been tested.




      This leads to the following two questions:




      1. Why is this restricted to the Ubuntu Desktop?

      2. Given that cat /sys/block/nvme0n1/queue/hw_sector_size returns 512, am I save to proceed?


      3. ZFSonLinux does not support Trim yet. Will this be a problem? If yes, is there a way to mitigate this problem?






      server ssd zfs




      server ssd zfs






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Jan 31 at 12:32









      Pierre SpringPierre Spring

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