From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: Re: using debugfs.reiser4 options to access R4 on /dev/sdb Date: Thu, 26 Feb 2015 14:13:42 +1100 Message-ID: References: <2a39c4776614cb7a675f299083a3627a@mail.velocitynet.com.au> <1424809332.12259.67.camel@home.ted.local> <4e67fef614d6e56cca9bdb540d592c78@mail.velocitynet.com.au> <1424878538.16839.6.camel@home.ted.local> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1424878538.16839.6.camel@home.ted.local> Sender: reiserfs-devel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Vladimir Shebordaev Cc: reiserfs-devel@vger.kernel.org On Wed, 25 Feb 2015 18:35:38 +0300, Vladimir Shebordaev wrote: > > So, what? fsck complains about unknown plugin for the root directory, > you have to try to dump the tree. > > Since you fail to mount the disk, you anyway need debugging output from > running filesystem. Hello I tried: # debugfs.reiser4 -t /dev/sdb |gzip >fsck.reiser4-t.txt.gz And it produced the following file: # ll fsck.reiser4-t.txt.gz -rw-r--r-- 1 root users 44,105,728 Feb 25 22:01 fsck.reiser4-t.txt.gz # ll fsck.reiser4-t.txt -rw-r--r-- 1 root users 849764352 Feb 26 14:06 fsck.reiser4-t.txt 849,764,352 start an end shows:[1] Question: What process or command to do next ? Thank you Glenn [1] # head fsck.reiser4-t.txt NODE (37017218) LEVEL=6 ITEMS=27 SPACE=2826 MKFS ID=0x1ddaf754 FLUSH=0x0 #0 NPTR (nodeptr40): [ffff:0(NAME):16c6f73745f6e61:6d655f3130303335:6847c177b306589b] OFF=28, LEN=8, flags=0x0 [146395369] ------------------------------------------------------------------------------ #1 NPTR (nodeptr40): [1a897:4(FB):14665646f72612d:234e8:5a3cd448] OFF=36, LEN=8, flags=0x0 [41273715] ------------------------------------------------------------------------------ #2 NPTR (nodeptr40): [1a897:4(FB):146726565425344:236db:22cf668] OFF=44, LEN=8, flags=0x0 [233048611] ------------------------------------------------------------------------------ #3 NPTR (nodeptr40): [1a897:4(FB):153696d706c794d:33bfa:63e6c] OFF=52, LEN=8, flags=0x0 [233054862] ------------------------------------------------------------------------------ #4 NPTR (nodeptr40): [1a897:4(FB):16f70656e535553:423e8:df7db1d] OFF=60, LEN=8, flags=0x0 [233055996] . . . # tail fsck.reiser4-t.txt ============================================================================== NODE (9833881) LEVEL=1 ITEMS=1 SPACE=0 MKFS ID=0x1ddaf754 FLUSH=0x0 #0 CTAIL (ctail40): [19af5:4(FB):636f6d7061712d:19af6:26fe61871] OFF=28, LEN=4030, flags=0x0 shift=16 ============================================================================== NODE (9833882) LEVEL=1 ITEMS=1 SPACE=0 MKFS ID=0x1ddaf754 FLUSH=0x0 #0 CTAIL (ctail40): [19af5:4(FB):636f6d7061712d:19af6:26fe6282e] OFF=28, LEN=4030, flags=0x0 shift=16 ============================================================================== NODE (9833883) LEVEL=1 ITEMS=2 SPACE=0 MKFS ID=0x1ddaf754 FLUSH=0x0 #0 CTAIL (ctail40): [19af5:4(FB):636f6d7061712d:19af6:26fe637eb] OFF=28, LEN=250, flags=0x0 shift=16 ------------------------------------------------------------------ #