Date: Sun, 28 Dec 2008 13:21:29 +0200 From: Danny Braniss <danny@cs.huji.ac.il> To: "Erik Scholtz, ArgonSoft GmbH" <e.scholtz@argonsoft.de> Cc: freebsd-scsi@freebsd.org Subject: Re: Problem with disklabel and filesystem over iSCSI Message-ID: <E1LGti5-0009Dv-Uo@kabab.cs.huji.ac.il> In-Reply-To: <49575045.4090601@argonsoft.de> References: <4956B01B.3000509@argonsoft.de> <E1LGrjK-0007Zn-5K@kabab.cs.huji.ac.il> <49575045.4090601@argonsoft.de>
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> Hi, > > I tested the default iSCSI_initiator shipped with 7.0, 7.1RC1 and > 7.1RC2. Additionally i changed it with that version from > ftp://ftp.cs.huji.ac.il/users/danny/freebsd/iscsi-2.1.tar.gz with each > release. The effect is with all combinations the same: > > 7.0 native / 7.0 + iscsi-2.1 > 7.1RC1 native / 7.1RC1 + iscsi-2.1 > 7.2RC2 native / 7.2RC2 + iscsi-2.1 > > > Additionally info + tests: > -------------------------- > 1) I also checked it for ufs in dangerously dedicated mode - also the > same effect. > > 2) After the reboot, the iSCSI device is back on /dev/da0 as expected. > > 3) The SAN system is a Hardware-SAN (iStor / GigaStor), that works > without any problems under Ubuntu, CenOS, MacOS X, Windows and RedHat > (all tested the last days) > > 4) I could get ufs to work with the following (terribly wrong) partition > map: > > 0 40 39 - 12 unused 0 > 40 409600 409639 da0s1 165 FreeBSD 0 > 409640 1928708016 1929117655 da0s2 165 FreeBSD 0 > 1929117656 262184 1929379839 - 12 unused 0 > > With this partition map, newfs runs without any failure. The filesystem > is heavily damaged and can be repaired with fsck. After repairing, the > fs can be mounted and used as normal. But when running a fsck, thousands > of errors must be corrected and the result is an empty disk again (when > answering all with YES - I ran it with -y flag, since there are too many > questions to be answered manually, even when copying only three big > files). ok, so the problem is on shutdown/reboot. Buffers don't seem to be flushed. To check if this is correct, try shutdown, then under single user unmount the iscsi, sync, sync, reboot danny
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