Date: Thu, 26 Aug 2004 08:53:38 -0500 From: "adp" <dap99@i-55.com> To: <questions@freebsd.org> Subject: Postfix thinks there isn't enough disk space in a jail Message-ID: <063c01c48b74$4030e570$6401a8c0@THEBOX>
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This problem seems to be affecting Postfix in a FreeBSD jail, and I haven't seen this problem outside of a jail, so I'm trying questions@ first. I am running postfix-2.0.18,1 (from ports) in a FreeBSD 4.10 system in a jail. Everything was fine until recently I moved NFS services over to this same server. (This may be a red herring.) Now, every few mails I get an email to Postmaster like this: Transcript of session follows. Out: 220 xx ESMTP In: EHLO yy Out: 250-xx Out: 250-PIPELINING Out: 250-SIZE 1024000000 Out: 250-VRFY Out: 250-ETRN Out: 250 8BITMIME In: MAIL FROM:<a@b.com> SIZE=13414 Out: 452 Insufficient system storage In: QUIT Out: 221 Bye Okay, so the disk is filling up. box# df -hl Filesystem Size Used Avail Capacity Mounted on /dev/ar0s1a 1008M 45M 882M 5% / /dev/ar0s1d 27G 23G 1.9G 92% /jails /dev/ar0s1h 1008M 20M 908M 2% /home /dev/ar0s1g 1008M 10.0K 927M 0% /tmp /dev/ar0s1f 3.9G 1.2G 2.4G 34% /usr /dev/ar0s1e 2.0G 148M 1.7G 8% /var procfs 4.0K 4.0K 0B 100% /proc procfs 4.0K 4.0K 0B 100% /jails/xxx/proc Okay, we are at 92%. We should clean some things up, but we do still have 1.9GB of free space. (And we often linger around this anyway.) Postfix is set to accept mail as long as there is 25MB of free space: main.cf:queue_minfree = 25000000 Anyone seen this happen? Postfix should not be returning '452 Insufficient system storage' to clients at this point. It doesn't happen for all mails. Just around 5% of so. It seems fairly random to me.
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