When yoy say "the server suddenly "freeze" �you must reboot the server?
�have you passed a tool to analize the hardware? This can be a memory error. On Thu, 07 Oct 2004 20:10:30 -0300, Felipe Augusto van de Wiel <[EMAIL PROTECTED]> wrote: > Hi qmail-ldap-list, > > I'm multi posting this message. I already post it in qmail > list a few days ago, but I would like the qmail-ldap list opinion. > :)) > > I have a situation and I can't figure out what is going on, > the server suddenly "freeze". I'm sending this message looking for > advices, opinions and things that I can do to solve the "problem" > or discover how to deal with it. :) > > Here is the scenario: > > The server is located on a host provider. It has about 2000 > mails per hour. (aprox. 1 mail -> 2 seconds). The hardware is a Dell > Machine (PowerEdge series): > > 2x Intel Xeon 3.0 (Hyper Threading) > 3 GB (DDR 400) > 2 NIC (Broadcomm NetExtreme tg3) Gigabit > SCSI Controller RAID (Perc3 2 Channels 128M Cache) > 3 HDs Ultra 320 140GB > > It is using RAID 5 (hardware) and LVM for /home and /var. > All filesystems are XFS. The configuration has a little "hack", > today it uses vpopmail, but the main idea is change it for LDAP. > > It is a LWQ instalattion, but we use the qmail-ldap patch, > and the "hack" I mention before is just the change of checkpassword > to authenticate against vpopmail. It is not the problem, before we > do this change was the same behaviour. > > The system is a Debian Woody, using qmail-scanner 1.22 and > last version of Panda Anti Virus with all updates. We are also > using SPAMassassin (pre packaged for woody). > > What we cannot understand is why the machine freezes > suddenly. No messages in logs that can help, no errors in dmesg. > We try to use Clamav but it is slower than panda. qmail-scanner > seems to be one of the biggest pay load. > > Before the Debian was a Red Hat, the Operating System was > very stable but qmail was completely unstable. Now we are trying > to use it on Debian, qmail is very stable, but not the OS, and > Debian *is* a very robust and Stable distro. > > We already try Sarge (kernel 2.6) but Panda has some > "incompatibilities" with new threads and glibc2.3. As I heard > many times on the list, there are qmail servers with and "huge" > amount of messages, so, probably somebody could advice me. :) > > Thank you in advance, best regards! > > -- > ////////// > // Felipe Augusto van de Wiel > // Admin. de Redes e Sistemas > // [EMAIL PROTECTED] > // http://www.paranacidade.org.br/ > ////////// > > -- Nada es imposible para quien no tiene que hacerlo Hay que venir de vez en cuando a estos sitios para recordar que no hay que volver a ellos. G.A.I. (German Amigo del Iosu) ______________________________________________
