Some files vanished... - Tools

This is a discussion on Some files vanished... - Tools ; I run an rsync to backup my mail server ever 4 hours. Sometimes, I get these sorts of warnings: Rsyncing... file has vanished: "/usr/local/virtual/*munged1*/new/ 1210876129.43402_0.mail.server.tld" file has vanished: "/usr/local/virtual/*munged2*/courierimapkeywords/. 4036254.1210876052.43312_0.mail.server.tld" file has vanished: "/usr/local/virtual/*munged3*/cur/ 1210869474.40181_0.mail.server.tld:2," file has vanished: "/usr/local/virtual/*munged3*/new/ 1210875706.43197_0.mail.server.tld" ...

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  1. Some files vanished...

    I run an rsync to backup my mail server ever 4 hours. Sometimes, I
    get these sorts of warnings:

    Rsyncing...
    file has vanished: "/usr/local/virtual/*munged1*/new/
    1210876129.43402_0.mail.server.tld"
    file has vanished: "/usr/local/virtual/*munged2*/courierimapkeywords/.
    4036254.1210876052.43312_0.mail.server.tld"
    file has vanished: "/usr/local/virtual/*munged3*/cur/
    1210869474.40181_0.mail.server.tld:2,"
    file has vanished: "/usr/local/virtual/*munged3*/new/
    1210875706.43197_0.mail.server.tld"

    Number of files: 845497
    Number of files transferred: 514
    Total file size: 24.61G bytes
    Total transferred file size: 3.09G bytes
    Literal data: 3.09G bytes
    Matched data: 0 bytes
    File list size: 22384273
    File list generation time: 447.621 seconds
    File list transfer time: 0.000 seconds
    Total bytes sent: 3.12G
    Total bytes received: 511.24K

    sent 3.12G bytes received 511.24K bytes 2.22M bytes/sec
    total size is 24.61G speedup is 7.89
    rsync warning: some files vanished before they could be transferred
    (code 24) at main.c(977) [sender=2.6.9]
    ....done.

    the rysnc command is

    /usr/local/bin/rsync -aCHh --stats --delete-after --delete-excluded \
    --exclude="/backup/" --exclude-from=/var/.rexcludes \
    --link-dest="${BAKLOC}.sday.1" / ${BAKLOC}.sday.0

    where BAKLOC is defined previously to /backup/mail

    Is there anything I can do to have rsync work on a instantaneous
    snapshot so these files don't even up getting moved out from under the
    backup process?

    This is 2.6.9 and I am not in a position to upgrade to 3.0 right now.


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  2. Re: Some files vanished...

    * Message by -lewis butler- from Sun 2008-05-18:
    > I run an rsync to backup my mail server ever 4 hours. Sometimes, I get
    > these sorts of warnings:
    >
    > Rsyncing...
    > file has vanished:
    > "/usr/local/virtual/*munged1*/new/1210876129.43402_0.mail.server.tld"
    > file has vanished:
    > "/usr/local/virtual/*munged2*/courierimapkeywords/.4036254.1210876052.43312_0.mail.server.tld"
    > file has vanished:
    > "/usr/local/virtual/*munged3*/cur/1210869474.40181_0.mail.server.tld:2,"
    > file has vanished:
    > "/usr/local/virtual/*munged3*/new/1210875706.43197_0.mail.server.tld"



    [...]
    > Is there anything I can do to have rsync work on a instantaneous snapshot
    > so these files don't even up getting moved out from under the backup
    > process?


    AFAIK there is nothing that rsync or any other userland program could
    possibly do to get a filesystem snapshot without help from the operating
    system. Operating systems, however, usually offer filesystem snapshots.
    Solaris, FreeBSD and Linux (via LVM) offer filesystem snapshots. These
    are indepentend of the backup program, meaning you can mount the snapshot
    somewhere and do with it whatever you like. At least on Linux, you can
    have multiple snapshots at the same time, which makes up a kind of backup
    system itself.


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