Date: Wed, 6 Jun 2007 14:59:31 +0545 From: WorldLink Management <<management@wlink.com.np>> To: "N. Harrington" <drumslayer2@yahoo.com> Cc: questions@freebsd.org Subject: Re: How to solve mysterious system lockups? Message-ID: <20070606145931.c0e4d237.<management@wlink.com.np>> In-Reply-To: <854718.51541.qm@web34509.mail.mud.yahoo.com> References: <854718.51541.qm@web34509.mail.mud.yahoo.com>
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On Mon, 4 Jun 2007 19:46:30 -0700 (PDT) "N. Harrington" <drumslayer2@yahoo.com> wrote: > > Hello > I have several systems that are used as squid > caching servers. I have some systems that use SCSI > disks and some that use SATA disks. They are > identical in everyway except for the sata vs SCSI > drives. > > At random times, the sata based systems seem to be > freezing. You can ping them and they respond, but you > cannot log in. Nor are any logs processed during that > time. > > I figure it mist be something to do with the disks, > but I am not sure how to solve it. There seems to be > little rhyme or reason. It does not happen necessarily > during busy times. It can happen in the middle of the > night. > > Any pointers in how to track down the cause would be > much appreciated. > > Tyan S2881 Motherboard - 4gigs mem > Using 4 SATA (or scsi) drives > FreeBSD amd64 6.2-STABLE. Hi Nicole, I was also having system lockup problems with my FreeBSD-6.x servers running Squid with SATA disks. I could ping it but could not login using SSH. However, in my case, it was due to high mbufs usage. What's your output of the following commands? netstat -mb sysctl kern.ipc.nmbclusters Thanking you... > > Thanks! > > Nicole > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" >
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