Re: rsync on maildir
Perhaps you have some hundreds of 3000 files to sync.
So rsync would have a lot of work building the file list.
Try it with 'nice rsync ...' or use nice with setting a very low priority (high value!).
Christian
----- Original Message -----
From: "Theodore Knab" <tjk@annapolislinux.org>
To: "Debian-ISP" <debian-isp@lists.debian.org>
Sent: Sunday, October 26, 2003 2:00 PM
Subject: rsync on maildir
> I am using rsync to backup mail on a mail-server with 3000+ mail
> accounts [only 1550+ are in use]. Using this command:
>
> /usr/bin/rsync -a --delete /var/imap/mailarray /var/oldarray
>
> This mail server only receives about 2GB of mail per day. Rsync is run
> without shutting down any services.
>
> About half the time I run rsync the system slows down to the point that
> mon starts sending me pages. To fix it, I have to log in, and kill the rsync
> process.
>
> Is there a more efficient way to run rsync without down time ?
>
> Or should I be using something else for backups ?
>
> After the last failure I ran rsync in dry-run mode and I got this error:
> imap:~# /usr/bin/rsync -axn --delete /var/imap/mailarray /var/oldarray -T
> /tmp --timeout=10
> building file list ...
> rsync: writefd_unbuffered failed to write 4092
> bytes: phase "send_file_entry": Broken pipe
> rsync error: error in rsync protocol data stream (code 12) at io.c(515)
>
> imap:~$ rsync --version
> rsync version 2.5.6 protocol version 26
>
> file-system ext3:
> raid-card:0
> #system file-system and mail backup
> /dev/sda5 on /var/oldarray type ext3 (rw,noexec,nosuid,nodev) []
>
> raid-card:1
> #mail storage
> /dev/sdc5 on /var/imap type ext3 (rw,noexec,nosuid,nodev,usrquota) []
>
> --
> ------------------------------------------
> Ted Knab
> Chester, MD 21619
>
> ------------------------------------------
> 940216d6021602a41607166696c656c202778696368602d65616e637
> 02940226c696e646c69702c6f667560256675627478696e67602a416
> 0716e6563756e2a0
>
>
> --
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