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Old 11th January 2010
gpatrick gpatrick is offline
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Join Date: Nov 2009
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Default Sparc64 duplicate two drives for booting

Have OpenBSD 4.6 installed on a Sun Sparc Ultra-10 with two 9 GB drives. Installed on wd0. I want to use the second drive, wd1, as a spare drive in case wd0 fails. I don't want to recompile the kernel to add RAID support, so I used dd to copy wd0 to wd1.

After dd completed the boot-device was set to disk1 and I rebooted. However, when OpenBSD came up on wd1 it mounted everything as read-only. I've used dd before on Solaris to duplicate boot drives, but 'm unsure why it didn't work this time with OpenBSD.

Last edited by gpatrick; 11th January 2010 at 11:22 PM. Reason: typo
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