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Okay to repair Lion drive from Snow Leopard startup?
- Thread starter Goop
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Lion has its own recovery partition. Use that, instead.
OS X Lion: About Lion Recovery
Apple - OS X Lion Recovery - Introducing Lion Recovery
Snow Leopard and older doesn't know what the heck a recovery partition is. Have you tried running disk utility booting from your recovery partition? When I install any of Apple's newer "diskless" OSs, I always make myself an 8 gig USB stick before allowing the installer to delete itself. To me this is better than the recovery partition which requires some things to be downloaded from the internet and of course if your HDD dies, you don't even have the recovery partition. I have a pretty decent 'net connection but I'd still rather not have to download huge files to do a recovery.
Booting from a SL disk should still give you access to Disk Utility, but it might get confused about what to do with the recovery partition. If you want to simply repair your Lion boot volume, you might be ok booting from SL, but if you want to do anything with the partitioning of your boot drive, stick to booting from Lion media.