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Message-ID: <521AF45C.1010206@gmail.com>
Date: Mon, 26 Aug 2013 08:23:24 +0200
From: Alan McKinnon <alan.mckinnon@gmail.com>
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Subject: Re: [gentoo-user] Optional /usr merge in Gentoo
References: <CAGbLXuV1PpjP5=M8zPD6qiEdMBjQjaZh8y-HyA+ZwYE-PHSrEg@mail.gmail.com> <CAKxh67V_JadMwkY2nZDOeDSQzA6OYq6Fv915U1HKVJUe4wy2-Q@mail.gmail.com> <CAGbLXuWKvg+wjQ807pDm1iPH_nWLeYvKbap3E5Ssocd7uSMT+Q@mail.gmail.com> <520A5446.1050001@mail.ru> <CAGbLXuWdtU+Y+jjqfbMAhzfTdBJOV9yaUzLcCoTAHVEenkFeNg@mail.gmail.com> <520DA782.4050803@sporkbox.us> <CAGbLXuVwFkRD+iQMvUXkWqhn4TyyZ9Zp5zgiXz+Wke=6vv8OAQ@mail.gmail.com> <CADPrc80eLm3vaUeL41PnZdFBxuvRkuXNrJPnhbOmi0xJ+C-LYw@mail.gmail.com> <520F6333.70301@dmj.nu> <9716EEEB-144F-47AA-A828-FC9A508CE9FA@stellar.eclipse.co.uk> <521090F5.4090305@gmail.com> <521122CB.4010003@libertytrek.org> <521A7EE9.8000706@gmail.com> <CAA2qdGULd=LtVY4-HUket0w-vYZKc56fW9rSptEzkBR1H+Gc7w@mail.gmail.com>
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On 26/08/2013 08:10, Pandu Poluan wrote:
>> The ZFS approach is better - here's the storage, now do with it what I
>> want but don't employ arbitrary fixed limits and structures to do it.
>>
>
> +1 on ZFS. It's honestly a truly *modern* filesystem.
>
> Been using it as the storage back-end of my company's email server.
>
> The zpool and zfs command may need some time to be familiar with, but
> the self-mounting self-sharing ability of zfs (i.e., no need to muck
> with fstab and exports files) is really sweet.
>
> I really leveraged its ability to do what I call "delta snapshot
> shipping" (i.e., send only the differences between two snapshots to
> another place). It's almost like an asynchronous DRBD, but with the
> added peace of mind that if the files become corrupted (due to buggy
> app, almost no way for ZFS to let corrupt data exist), I can easily
> 'roll back' to the time where the files are still uncorrupted.
>
I run it on my NASes, and the thing that really sold me was what it lets
me as the admin do:
I get all the benefits of directories with none of the downsides.
I get all the benefits of mount points with none of the downsides.
I get all the benefits of discrete filesystems with none of the downsides.
Like you say, a truly modern fs built for modern needs.
--
Alan McKinnon
alan.mckinnon@gmail.com