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Ubuntu's Zsys Client/Daemon For ZFS On Linux Continues Maturing For Eoan

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  • Ubuntu's Zsys Client/Daemon For ZFS On Linux Continues Maturing For Eoan

    Phoronix: Ubuntu's Zsys Client/Daemon For ZFS On Linux Continues Maturing For Eoan

    Looking ahead to Ubuntu 19.10 as the cycle before Ubuntu 20.04 LTS, one of the areas exciting us with the work being done by Canonical is (besides the great upstream GNOME performance work) easily comes down to the work they are pursuing on better ZFS On Linux integration with even aiming to offer ZFS as a file-system option from their desktop installer. A big role in their ZoL play is also the new "Zsys" component they have been developing...

    http://www.phoronix.com/scan.php?pag...-July-Progress

  • #2
    Looks nice. Been following this for a while because it's a majorly backed ZFS administration tool and not made by some random dude on github.

    Michael
    if/when Oracle were to more liberally license the ZFS source code
    That's not a fair comment to make at all. CDDL is more liberal that the GPLv2 and it's the more liberal CDDL clauses that are causing the incompatibilities.

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    • #3
      It will be nice to have ZFS as an option for installation and root partition. Its good to have many filesystems to choose from. It is good to see we have many choices now in advanced filesystems such as ZFS, btrfs, bcachefs, and cephfs. Different filesystems have different cultures and code bases so this can allow for more innovations to be made since people can specialize on the code base that they are familiar with and which is the easiest for them to work with.

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      • #4
        What exactly is Zsys supposed to do? ZFS is already super easy to manage. And just a simple Python script running on a schedule will automate the snapshots.

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        • #5
          Originally posted by Chugworth View Post
          What exactly is Zsys supposed to do? ZFS is already super easy to manage. And just a simple Python script running on a schedule will automate the snapshots.
          Mainly it will provide functionality similar to the Boot Environments known from Solaris/FreeBSD.

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          • #6
            This is great. We could have had this 10 years ago.. But oh no "licence fud panic religion".

            Yes, the CDDL is more liberal Than The GPL.
            Oracle has nothing to do with ZoL (and does not control the copyright for ZoL)

            We can mix open-source and have really nice things. I want to see ZFS Nautilus integrations. "hey nautilus what did this folder look like 2 weeks ago, ok how about a year ago." so nice.

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            • #7

              "We can mix open-source and have really nice things. I want to see ZFS Nautilus integrations. "hey nautilus what did this folder look like 2 weeks ago, ok how about a year ago." so nice."

              Windows explorer does this flawlessly on NAS share via smb. Scheduled snapshots are required. Pretty sure Nautilus will get it soon.
              ​I'm not familiar with FreeBSD BEs, but on solaris,the BEs are neat. Poor windows system restore point, have it in mind aways when typing beadm

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              • #8
                Originally posted by Chugworth View Post
                What exactly is Zsys supposed to do? ZFS is already super easy to manage. And just a simple Python script running on a schedule will automate the snapshots.
                An administration tool so people don't have to write python scripts tied to unit files or cron jobs

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                • #9
                  Originally posted by Dedobot View Post
                  "We can mix open-source and have really nice things. I want to see ZFS Nautilus integrations. "hey nautilus what did this folder look like 2 weeks ago, ok how about a year ago." so nice."

                  Windows explorer does this flawlessly on NAS share via smb. Scheduled snapshots are required. Pretty sure Nautilus will get it soon.
                  ​I'm not familiar with FreeBSD BEs, but on solaris,the BEs are neat. Poor windows system restore point, have it in mind aways when typing beadm
                  That's one thing that I always find curious. Snapshots are one of the main features that people talk about when mentioning ZFS or Btrfs, but snapshots could be done in NTFS going all the way back to XP. I'm guessing the ZFS and Btrfs approach is more elegant? Microsoft's method works though. For some reason, they removed the way to easily enable it in Windows 10, but that can still be accomplished by enabling "System Protection" for drives that need it, and then running this command in a scheduled task:
                  wmic shadowcopy call create Volume=c:\
                  They still make it fairly easy to enable snapshots in Windows Server though. I run a script in Cygwin to access the snapshot data, and use Rsync to perform daily backups of large Hyper-V images to a remote storage server with ZFS. Rsync will scan through the file and only send the changed parts, so you get outstanding space savings when storing daily backups. It's kind of interesting to see exactly how much data has changed day-by-day in a large virtual image. I'm sure there's a performance hit to NTFS snapshots with virtual machines, but not anything that I have found to be a problem in my use cases.
                  Last edited by Chugworth; 07-18-2019, 07:13 PM.

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                  • #10
                    Ha, didn't know about that win10 issue , its mostly 7/2012r2 around me. Thanks.

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