Date: Sun, 14 Mar 2010 17:18:45 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: gary.jennejohn@freenet.de Cc: freebsd-current@freebsd.org Subject: Re: A tool for remapping bad sectors in CURRENT? Message-ID: <4B9D0C65.7000809@quip.cz> In-Reply-To: <20100314123859.47664ace@ernst.jennejohn.org> References: <20100308102918.GA5485@localhost> <4B94DDC8.5080008@quip.cz> <20100308115052.GA31896@office.redwerk.com> <4B94FBA6.5090107@quip.cz> <861vfq995i.fsf@ds4.des.no> <4B9BF957.4060507@quip.cz> <86eijn3of2.fsf@ds4.des.no> <4B9CB287.9080205@quip.cz> <20100314123859.47664ace@ernst.jennejohn.org>
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Gary Jennejohn wrote: > On Sun, 14 Mar 2010 10:55:19 +0100 > Miroslav Lachman<000.fbsd@quip.cz> wrote: > > [big snip] >> fsdb (inum: 3)> blocks >> Blocks for inode 3: >> Direct blocks: >> 3001 (1 frag) >> >> fsdb (inum: 3)> findblk 3001 >> fsdb (inum: 3)> >> >> ^^^^^^^^ findblk did not returned inode 3! >> > > This is almost guaranteed to be a file system block and not > a disk block. Do you mean the number 3001? I am sorry for my ignorance, but it is not clear to me from fsdb manpage what "blocks" means FS block and what disk block. And how can I use (calculate with) this numbers? How can I get the right number to pass to findlbk command (in the example above) to give me back the inode 3? If FS block is 16384 bytes, then it means 16384/512 = 32 disk blocks per FS block. If 3001 is FS block, then it means 3001*32 = 96032 disk block number. Am I right? fsdb (inum: 3)> findblk 96032 fsdb (inum: 3)> Again - findblk did not returned inode 3. So what is the exact formula to get the right findblk number and then right inode number as result of findblk command? I am still lost in terms (words) and numbers :( Miroslav Lachman
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