don't use gmirror and atacontrol at the same time. Use one or the other. Ted
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Nejc Škoberne > Sent: Thursday, May 22, 2008 1:51 AM > To: User Questions > Subject: RAID 0+1 > > Hello, > > I have FreeBSD 7.0 and 4 250GB SATA disks and I would like to > make one big 500GB > 0+1 RAID array. My hardware is HP ProLiant ML110G5. > > First I tried creating ATA RAID arrays with BIOS tools, but > FreeBSD wouldn't recognize the arrays. > > Than I decided to create the RAID-0 arrays with atacontrol. I > succeeded, ending up with ar0 and ar1 each 500GB big. My plan > was to install the FreeBSD as usual on ar0 and then add both > into a gmirror array. However, I BootMgr seem not to be able > to boot from RAID-0 array created with atacontrol? Is this > correct? I guess this is because BootMgr knows nothing about > striping and cannot read the kernel. > > Finally I tried to create two slices on each drive. The plan > was to join the first slice of all 4 drives into a gmirror > array and mount it as / partition (I guess BootMgr would boot > normally from such an array). Then I would merge the second > slice of all 4 drives into a 0+1 array (first gstriping and > then gmirroring them). I somehow succeeded this, but I also > get a WARNING when booting the system: > > ad0: 238475MB <WDC WD2500YS-70SHB1 20.06C06> at ata0-master SATA150 > ad1: 238475MB <Seagate ST3250620NS 3BJP> at ata0-slave SATA150 > ad2: 238475MB <GB0250C8045 HPG1> at ata1-master SATA150 > GEOM_STRIPE: Device gs0 created (id=2160028923). > GEOM_STRIPE: Disk ad0s2 attached to gs0. > ad3: 238475MB <GB0250C8045 HPG1> at ata1-slave SATA150 > GEOM_STRIPE: Disk ad1s2 attached to gs0. > GEOM_STRIPE: Device gs0 activated. > GEOM_STRIPE: Device gs1 created (id=3269017453). > GEOM_STRIPE: Disk ad2s2 attached to gs1. > GEOM_MIRROR: Device mirror/gm0 launched (4/4). > GEOM_STRIPE: Disk ad3s2 attached to gs1. > GEOM_STRIPE: Device gs1 activated. > WARNING: Expected rawoffset 0, found 63 > GEOM_MIRROR: Device mirror/gm1 launched (1/2). > GEOM_MIRROR: Device gm1: rebuilding provider stripe/gs1. > > Is this critical? It looks like the system is fine, though. > > Is there any "more proper" way to build such a system with RAID 0+1? > > Thanks, > Nejc > > _______________________________________________ > firstname.lastname@example.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "[EMAIL PROTECTED]" > _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"