Date: Mon, 17 Nov 2008 09:26:22 -0800 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Sossi Andrej <asossi@dotcom.ts.it> Cc: freebsd-stable@freebsd.org Subject: Re: swap_pager: indefinite wait Message-ID: <20081117172622.GA34962@icarus.home.lan> In-Reply-To: <49219959.8040209@dotcom.ts.it> References: <49219959.8040209@dotcom.ts.it>
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On Mon, Nov 17, 2008 at 05:18:33PM +0100, Sossi Andrej wrote: > Hello, > I manage a www (apache), database (postgresql) and e-mail (qmail) with > about 100 Internet domains. > We recently purchased a DELL MD3000i server with data access through > ISCSI protocol. > I installed a new server with FreeBSD 7.0 compiled kernel with ISCSI > (v. 2.1) and SCHED_ULE scheduler. > The server's local disk configuration is: > 512 MB / > 1024 MB SWAP > 254 MB / var > 2048MB / var/ qmail > 512 MB /tmp > ~ 70 GB /usr > > The apache data (/usr/local/www), postgre (/usr/local/pgsql) and qmail > (/usr/local/vpopmail) are instead on the partition on ISCSI. After > installing all the necessary softwares I tested the machine as mail > server for a one domain and everything worked fine for 2-3 days. > I wanted to test the correct functioning of qmail and of the > reading/writing on ISCSI. On the end of testing I decided to transfer > all of data (www, DB and e-mail) on the FreeBSD 7.0. I compressed all > the data on the original server (on tar.gz format). I transferred them > on the new server and started to decompress the files. Www data have > been decompressed correctly on the ISCSI disk. But while the messages > were being decompressed (~80GB of tar.gz) and all the DB were being > restored, the server crashed. > The error shown was: > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 31, size: 4096 > > This message repeated every 30 seconds. Is this of any help? http://lists.freebsd.org/pipermail/freebsd-scsi/2008-February/003383.html http://lists.freebsd.org/pipermail/freebsd-scsi/2008-February/003387.html -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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