Date: Sun, 28 Dec 2008 14:42:36 +0100 From: "Erik Scholtz, ArgonSoft GmbH" <e.scholtz@argonsoft.de> To: Danny Braniss <danny@cs.huji.ac.il> Cc: freebsd-scsi@freebsd.org Subject: Re: Problem with disklabel and filesystem over iSCSI Message-ID: <4957824C.1000601@argonsoft.de> In-Reply-To: <E1LGvW7-000ALB-Sl@kabab.cs.huji.ac.il> References: <4956B01B.3000509@argonsoft.de> <E1LGrjK-0007Zn-5K@kabab.cs.huji.ac.il> <49575045.4090601@argonsoft.de> <E1LGti5-0009Dv-Uo@kabab.cs.huji.ac.il> <49577118.1080700@argonsoft.de> <E1LGvW7-000ALB-Sl@kabab.cs.huji.ac.il>
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Danny Braniss wrote: >> ok, i started the system in single-user-mode and brought up the iSCSI >> connection. I tried to install the ufs first, after each step I synced. >> No change - problem remains the same (newfs is failing). >> >> Then I installed the ZFS again, also synced after each step, then >> unmounted the iSCSI device, synced again (always at least three times). >> Then rebooted the system (going to single-user-mode again) and the ZFS >> is corrupted again with the same message. >> > in the case of zfs, you have to > /etc/rc.d/zfs stop > I used the "zfs umount tank" command. I now tried it with "/etc/rc.d/zfs stop" (both cases: before and after umounting the volume via "zfs umount") and synced again. Still the effect remains the same: After reboot the filesystem is corrupted and unreadable. >> I don't think the buffers are the problem. >> > are you sure that the iscsi target is only used by the freebsd host? 100% for sure. The SAN is (at the moment) connected via Cross-Cable directly to the FreeBSD-Box, so has only a dedicated connection. Before that it was connected over a seperate Cisco 520G Switch, only used by the SAN and the FreeBSD Box. The networkcard is a INTEL 1GBit. Also tried it with a nVidia nForce Pro 3400 (also 1GBit). I also played with the MTU sizes: at the moment it is default (1500) - but other sizes (jumbo size 9000) also do not change anything (I made sure, both sides (SAN and FreeBSD) uses the same size). Erik ----- ArgonSoft GmbH | Im Ermlisgrund 3 | 76337 Waldbronn Tel: +49 7243 71520 | Fax: +49 7243 715222 | http://www.argonsoft.de Umsatzsteuer-Identnummer: DE205762306 | Handelsregister: HRB2372E Geschäftsführer: Erik Scholtz
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