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    KVM on Fedora 26 Server edition

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    • black3dynamiteB
      black3dynamite @Obsolesce
      last edited by black3dynamite

      @tim_g said in KVM on Fedora 26 Server edition:

      Why EXT4?

      Is there something wrong using ext4 instead of xfs besides Red Hat/CentOS using it by default?

      AdamFA scottalanmillerS 2 Replies Last reply Reply Quote 0
      • AdamFA
        AdamF @black3dynamite
        last edited by

        @black3dynamite said in KVM on Fedora 26 Server edition:

        @tim_g said in KVM on Fedora 26 Server edition:

        Why EXT4?

        Is there something wrong using ext4 instead of xfs besides Red Hat/CentOS using it by default?

        I have the same question.

        1 Reply Last reply Reply Quote 0
        • scottalanmillerS
          scottalanmiller @black3dynamite
          last edited by

          @black3dynamite said in KVM on Fedora 26 Server edition:

          @tim_g said in KVM on Fedora 26 Server edition:

          Why EXT4?

          Is there something wrong using ext4 instead of xfs besides Red Hat/CentOS using it by default?

          As with everything, reverse the question - is there something right about it? XFS is faster and more stable. What does EXT4 have going for it? EXT4 is not a bad filesystem, but "not bad" isn't a reason to choose a filesystem. Which one is best for your environment? I don't know any server environments where EXT4 is good enough to be considered - because it would have to be meaningfully better than XFS in some area for that to be useful.

          AdamFA 1 Reply Last reply Reply Quote 2
          • AdamFA
            AdamF @scottalanmiller
            last edited by

            @scottalanmiller said in KVM on Fedora 26 Server edition:

            @black3dynamite said in KVM on Fedora 26 Server edition:

            @tim_g said in KVM on Fedora 26 Server edition:

            Why EXT4?

            Is there something wrong using ext4 instead of xfs besides Red Hat/CentOS using it by default?

            As with everything, reverse the question - is there something right about it? XFS is faster and more stable. What does EXT4 have going for it? EXT4 is not a bad filesystem, but "not bad" isn't a reason to choose a filesystem. Which one is best for your environment? I don't know any server environments where EXT4 is good enough to be considered - because it would have to be meaningfully better than XFS in some area for that to be useful.

            Looks like I just need to read up on ext4 vs xfs.

            scottalanmillerS 1 Reply Last reply Reply Quote 1
            • scottalanmillerS
              scottalanmiller @AdamF
              last edited by

              @fuznutz04 said in KVM on Fedora 26 Server edition:

              @scottalanmiller said in KVM on Fedora 26 Server edition:

              @black3dynamite said in KVM on Fedora 26 Server edition:

              @tim_g said in KVM on Fedora 26 Server edition:

              Why EXT4?

              Is there something wrong using ext4 instead of xfs besides Red Hat/CentOS using it by default?

              As with everything, reverse the question - is there something right about it? XFS is faster and more stable. What does EXT4 have going for it? EXT4 is not a bad filesystem, but "not bad" isn't a reason to choose a filesystem. Which one is best for your environment? I don't know any server environments where EXT4 is good enough to be considered - because it would have to be meaningfully better than XFS in some area for that to be useful.

              Looks like I just need to read up on ext4 vs xfs.

              Or just move on to XFS. It's a super rare case that you want anything else. Basically, always choose XFS unless you have a very clear reason to do something else. You'd have an edge case with your storage to want to even look at alternatives, and when you do BtrFS and ZFS are definitely more likely to be the case over EXT4, and JFS2, GFS2, OCFS, and others will compete heavily with EXT4.

              ObsolesceO DashrenderD 2 Replies Last reply Reply Quote 2
              • ObsolesceO
                Obsolesce @scottalanmiller
                last edited by

                @scottalanmiller said in KVM on Fedora 26 Server edition:

                and when you do BtrFS and ZFS are definitely more likely to be the case over EXT4, and JFS2, GFS2, OCFS, and others will compete heavily with EXT4.

                I almost did BtrFS + XFS (Btrfs in place of LVM) on my main laptop. I still want to somewhere just to compare.

                scottalanmillerS 1 Reply Last reply Reply Quote 1
                • scottalanmillerS
                  scottalanmiller @Obsolesce
                  last edited by

                  @tim_g said in KVM on Fedora 26 Server edition:

                  @scottalanmiller said in KVM on Fedora 26 Server edition:

                  and when you do BtrFS and ZFS are definitely more likely to be the case over EXT4, and JFS2, GFS2, OCFS, and others will compete heavily with EXT4.

                  I almost did BtrFS + XFS (Btrfs in place of LVM) on my main laptop. I still want to somewhere just to compare.

                  I didn't even know that it had the hooks to allow that.

                  ObsolesceO 1 Reply Last reply Reply Quote 0
                  • ObsolesceO
                    Obsolesce @scottalanmiller
                    last edited by

                    @scottalanmiller said in KVM on Fedora 26 Server edition:

                    @tim_g said in KVM on Fedora 26 Server edition:

                    @scottalanmiller said in KVM on Fedora 26 Server edition:

                    and when you do BtrFS and ZFS are definitely more likely to be the case over EXT4, and JFS2, GFS2, OCFS, and others will compete heavily with EXT4.

                    I almost did BtrFS + XFS (Btrfs in place of LVM) on my main laptop. I still want to somewhere just to compare.

                    I didn't even know that it had the hooks to allow that.

                    Yeah, when installing Fedora, if you select custom partitioning, you can select from the dropdown to use BtrFS instead of LVM, and you can still use XFS.

                    scottalanmillerS 1 Reply Last reply Reply Quote 1
                    • scottalanmillerS
                      scottalanmiller @Obsolesce
                      last edited by

                      @tim_g said in KVM on Fedora 26 Server edition:

                      @scottalanmiller said in KVM on Fedora 26 Server edition:

                      @tim_g said in KVM on Fedora 26 Server edition:

                      @scottalanmiller said in KVM on Fedora 26 Server edition:

                      and when you do BtrFS and ZFS are definitely more likely to be the case over EXT4, and JFS2, GFS2, OCFS, and others will compete heavily with EXT4.

                      I almost did BtrFS + XFS (Btrfs in place of LVM) on my main laptop. I still want to somewhere just to compare.

                      I didn't even know that it had the hooks to allow that.

                      Yeah, when installing Fedora, if you select custom partitioning, you can select from the dropdown to use BtrFS instead of LVM, and you can still use XFS.

                      I never noticed that. Interesting.

                      1 Reply Last reply Reply Quote 0
                      • DashrenderD
                        Dashrender @scottalanmiller
                        last edited by

                        @scottalanmiller said in KVM on Fedora 26 Server edition:

                        @fuznutz04 said in KVM on Fedora 26 Server edition:

                        @scottalanmiller said in KVM on Fedora 26 Server edition:

                        @black3dynamite said in KVM on Fedora 26 Server edition:

                        @tim_g said in KVM on Fedora 26 Server edition:

                        Why EXT4?

                        Is there something wrong using ext4 instead of xfs besides Red Hat/CentOS using it by default?

                        As with everything, reverse the question - is there something right about it? XFS is faster and more stable. What does EXT4 have going for it? EXT4 is not a bad filesystem, but "not bad" isn't a reason to choose a filesystem. Which one is best for your environment? I don't know any server environments where EXT4 is good enough to be considered - because it would have to be meaningfully better than XFS in some area for that to be useful.

                        Looks like I just need to read up on ext4 vs xfs.

                        Or just move on to XFS. It's a super rare case that you want anything else. Basically, always choose XFS unless you have a very clear reason to do something else. You'd have an edge case with your storage to want to even look at alternatives, and when you do BtrFS and ZFS are definitely more likely to be the case over EXT4, and JFS2, GFS2, OCFS, and others will compete heavily with EXT4.

                        Sure, but without reading up on all of those, he'll never know when to use something other than XFS, which is all I think he was getting at.

                        scottalanmillerS 1 Reply Last reply Reply Quote 1
                        • scottalanmillerS
                          scottalanmiller @Dashrender
                          last edited by

                          @dashrender said in KVM on Fedora 26 Server edition:

                          @scottalanmiller said in KVM on Fedora 26 Server edition:

                          @fuznutz04 said in KVM on Fedora 26 Server edition:

                          @scottalanmiller said in KVM on Fedora 26 Server edition:

                          @black3dynamite said in KVM on Fedora 26 Server edition:

                          @tim_g said in KVM on Fedora 26 Server edition:

                          Why EXT4?

                          Is there something wrong using ext4 instead of xfs besides Red Hat/CentOS using it by default?

                          As with everything, reverse the question - is there something right about it? XFS is faster and more stable. What does EXT4 have going for it? EXT4 is not a bad filesystem, but "not bad" isn't a reason to choose a filesystem. Which one is best for your environment? I don't know any server environments where EXT4 is good enough to be considered - because it would have to be meaningfully better than XFS in some area for that to be useful.

                          Looks like I just need to read up on ext4 vs xfs.

                          Or just move on to XFS. It's a super rare case that you want anything else. Basically, always choose XFS unless you have a very clear reason to do something else. You'd have an edge case with your storage to want to even look at alternatives, and when you do BtrFS and ZFS are definitely more likely to be the case over EXT4, and JFS2, GFS2, OCFS, and others will compete heavily with EXT4.

                          Sure, but without reading up on all of those, he'll never know when to use something other than XFS, which is all I think he was getting at.

                          The point being, it’s a ridiculously special case. Approaching never.

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