Re: journaling fs and large mailbox format

From: Stanislav Sedov (stas_at_core.310.ru)
Date: 09/29/05

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    Date: Thu, 29 Sep 2005 21:14:59 +0400
To: freebsd-hackers@freebsd.org

    On Thu, Sep 29, 2005 at 04:11:29AM +0300, Alin-Adrian Anton wrote:
    > Dear Hackers,
    >
    > First of all thank you for your time and attention.
    >
    > I am in the position to implement a large-scale mail server and I
    > will never go for anything else but FreeBSD (fixation?).
    >
    > It should be able to handle graceously 4000 e-mail accounts where a
    > minimum of 50 Mb/mailbox would be a requirement. In the begining, it is
    > desirable that users could use as much free space as available, so this
    > implies some gigabytes/mailbox.
    >
    > I don't know if the mbox format can handle this, and I know Maildir
    > cannot handle this on UFS2 standard install, no matter of soft-updates.
    > (because it exhaustes the free nodes) So I currently have no solution
    > for this stuff.
    >
    > I was wondering what is the status of Journaling File Systems on
    > FreeBSD? Any which is usable and mature, with write access? XFS would
    > fit amazingly well with Maildir, but.. I doubt it's anything else but
    > readonly.
    >
    > So any suggestion would really help a lot. Thank's in advance.
    >
    >
    > Yours Sincerely,
    > --
    > Alin-Adrian Anton
    > GPG keyID 0x183087BA (B129 E8F4 7B34 15A9 0785 2F7C 5823 ABA0 1830 87BA)
    > gpg --keyserver pgp.mit.edu --recv-keys 0x183087BA
    >
    > "It is dangerous to be right when the government is wrong." - Voltaire
    >

    Consider to use DBMS storage as alternative. IMHO, this is more flexible
    solution, especially if you have a lot of disk space. Also you will be
    able to buil a mail cluster to scale your solution.
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