> -----Original Message----- > From: Volker Lendecke [mailto:[email protected]] > Sent: 1. syyskuuta 2011 12:49 > To: Matti Rintala > Cc: [email protected] > Subject: Re: [Samba] Samba 3.5.8 (and 3.5.5) shipped with Solaris 10 > keeps crashing when smbd process count hits about 500-600 > > On Thu, Sep 01, 2011 at 11:32:32AM +0300, Matti Rintala wrote: > > We are running Samba on Solaris 10 cluster as a HA > > service. There are two nodes in the cluster and Samba > > versions are 3.5.8 on other node and 3.5.5 on another. > > Samba build is one that ships with Solaris 10. We are > > using Sun (Oracle) LDAP for user account data so passwd > > and group databases related information is retrieved from > > there. Authentication is done against Windows 2008 AD. > > > > This Samba service is serving users home directories. Same > > data is also shared using NFS. We have over 11000 user > > accounts. During summer this new service was working > > nicely but when user count has increased we are > > experiencing severe problems. When smbd process limit hits > > about 500 Samba just stops responding and we have to > > restart it. Usually Oracle Solaris Cluster does restart > > but it fails because one smbd process won't die even with > > -9 signal. Nothing really crashes and at least for some > > time mother smbd keeps forking new childs so process count > > keeps increasing. > > Not being able to kill a process with -9 is a kernel > problem. You need to find out what the process is doing, > although I'm not sure how to do that under Solaris. Can > truss or some other tool inspect a process that is stuck? >
Actually the process dies after a while so maybe it's in I/O wait state. Truss won't exam stuck process, I can't remember actual error message. However if we restart Samba soon enough, when hang happens, all processes are ended nicely. Matti > > Volker > > -- > SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen > phone: +49-551-370000-0, fax: +49-551-370000-9 > AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
