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DragonFly bugs List (threaded) for 2009-10
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Re: [issue1586] HAMMER: you can mount_hammer a UFS that was a hammer fs before

From: Bill Hacker <wbh@xxxxxxxxxxxxx>
Date: Tue, 27 Oct 2009 04:54:08 +0800

Simon 'corecode' Schubert wrote:

Bill, what on earth are you talking about? It is entirely clear what is happening. That's why it is also clear that this is a problem. Why should Jan look at his logs? *We know what is happening!*

Mounting and unmounting a block device with one fs does not necessarily leave a tell-tale that some other fs even *looks* for.

Is mount_ufs even hammer_fs aware on DFLY, let alone an(y) other *BSD?

Can mount_hammerfs distinguish between a UFS and hammer layout?

And if not, why on Earth would either fs NOT see the device as what it was told to *expect*?

. .and does NOTHING throw even a remark into one log or another?

Sounds to me like the same fs type-code is in use, no?

And what about registering hammer fs GPT / GUID/ codes?

Until both of those are hammer fs specific, even if on-disk info and/or DFLY mount_<whatever> is recoded to determine the difference, any OTHER fs is likely to remain oblivious.

That is what 'on Earth' I am on about...


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