Yes, I agree, command interface is more efficient and more risky than GUI. You will have to be very careful when doing that.
Best, z ----- Original Message ----- From: "Al Tobey" <tob...@gmail.com> To: <zfs-discuss@opensolaris.org> Sent: Sunday, January 18, 2009 3:09 PM Subject: Re: [zfs-discuss] replace same sized disk fails with too small error >I ran into a bad label causing this once. > <br/><br/> > Usually the s2 slice is a good bet for your whole disk device, but if it's > EFI labeled, you need to use p0 (somebody correct me if I'm wrong). > <br/><br/> > I like to zero the first few megs of a drive before doing any of this > stuff. This will destroy any data. > <br/><br/> > Obviously, change "<span style="font-family: monospace;">c7t1d0p0</span>" > to whatever your drive's device is. > <br/><br/> > <span style="font-family: monospace;">dd if=/dev/zero > of=/dev/rdsk/c7t1d0p0 bs=512 count=8192</span> > <br/><br/> > For EFI you may also need to zero the end of the disk too because it > writes the VTOC to both the beginning and end for redundancy. I'm not > sure of the best way to get the drive size in blocks without using > format(1M) so I'll leave that as an exercise for the reader. For my > 500gb disks it was something like: > <br/><br/> > 976533504 is $number_of_blocks (from format) - 8192 (4mb in 512 byte > blocks). > <br/><br/> > <span style="font-family: monospace;">dd if=/dev/zero > of=/dev/rdsk/c7t0d0p0 bs=512 count=8192 seek=976533504</span> > <br/><br/> > When you run format -> fdisk, it should prompt you to write a new Solaris > label to the disk. Just accept all the defaults. > <br/><br/> > <span style="font-family: monospace;">format -d c7t1d0</span> > <br/><br/> > Remember to double-check your devices and wait a beat before pressing > enter with those dd commands as they destroy without warning or checking. > -- > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
