Date: Sun, 25 Mar 2007 13:53:55 -0700 From: Joe Kelsey <joe@zircon.seattle.wa.us> To: stable@freebsd.org Subject: gmirror Issues Message-ID: <4606E163.9000506@zircon.seattle.wa.us>
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I am having a real hard time with gmirror. I recently bought two new 400G SATA disks and I want to mirror them. I think I am following the directions, but I am not sure. I generally do the following steps: edit /boot/loader.conf to add geom_mirror_load. reboot into single-user gmirror label -v -b round-robin gm0 ad4s1 ad6s1 bsdlabel -w mirror/gm0 bsdlabel -e mirror/gm0 newfs mirror/gm0a When I attempt to perform the newfs, it generally goes through all of the backup super blocks and hangs the system at the end of the newfs. At that point, my only recourse is pushing the reset button. When the system comes up, GEOM_MIRROR tries to rebuild one of the providers (usually ad4s1), but never seems to succeed. Anyway, the first problem I had was not having geom_mirror loaded. The only solution seems to be adding the load to /boot/loader.conf. None of the manual pages or handbook pages says anything about this except when discusssing making your system disk mirrored. I am not doing that. So, after loading the mirror stuff, I regularly lock up the system by trying to perform simple activities on the mirror. What do I need to do differently? Here are the relevant dmesg lines: atapci0: <SiI 3512 SATA150 controller> port 0xa000-0xa007,0x9800-0x9803,0x9400-0x9407,0x9000-0x9003,0x8800-0x880f mem 0xfba00000-0xfba001ff irq 18 at device 13.0 on pci0 ata2: <ATA channel 0> on atapci0 ata3: <ATA channel 1> on atapci0 ad4: 381554MB <Seagate ST3400620AS 3.AAC> at ata2-master SATA150 ad6: 381554MB <Seagate ST3400620AS 3.AAC> at ata3-master SATA150 FreeBSD zircon.zircon.seattle.wa.us 6.2-STABLE FreeBSD 6.2-STABLE #0: Sat Mar 24 16:32:06 PDT 2007 root@zircon.zircon.seattle.wa.us:/usr/obj/usr/src/sys/ZIRCON amd64 amd64 amd64 FreeBSD /Joe
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