Nobody got any clues at all? (Sorry for top-post, seemed more appropriate this
time!!!)
--
Mike Holden wrote:
> Been struggling with a difficult restore for a few days now, and need some
> help
> please.
>
> The short story is that I am trying to recover files from a disk archive
> which was
> subsequently deleted from disk, and then recovered using an undelete process
> on a
> reiserfs disk. Most of the files appear to have recovered ok, but I'm pretty
> sure
> that the undelete is not complete, and that some files are either missing
> entirely,
> or have random or zeroed blocks in them instead of real data.
>
> Nightmare scenario I know, but anything that can be recovered is a bonus here!
>
> I'm now at the stage of using bls and bextract to recover what I can from
> files,
> but seem to be hitting a situation where bls lists more files than bextract
> is able
> to recover. bls gets to pretty much the end of the file, then exits with the
> following few lines:
>
> -- Begin bls log
> bls: butil.c:282 Using device: "/backup/jewel/bacula" for reading.
> 24-Feb 20:15 bls JobId 0: Ready to read from volume "Monthly-0544" on device
> "FileStorage" (/backup/jewel/bacula).
> bls JobId 0: -rwxrw---- 1 501 501 69930 2009-10-08 00:54:21
> /home/mike/Documents/tumnus/DVD_Collection.txt
>
> ... [ big snip ]
>
> bls JobId 0: -rw-r--r-- 1 506 506 16992 2009-10-29 20:31:07
> /home/byang/albums/Cards/Multipack/thumb_C-MP-0127-D.jpg
> bls JobId 0: -rw-r--r-- 1 506 506 16607 2009-10-29 20:31:07
> /home/byang/albums/Cards/Multipack/thumb_C-MP-0127-E.jpg
> bls JobId 0: -rw-r--r-- 1 506 506 14651 2009-10-29 20:31:07
> /home/byang/albums/Cards/Multipack/thumb_C-MP-0127-F.jpg
> bls JobId 0: -rw-r--r-- 1 506 506 15159 2009-10-29 20:31:07
> /home/byang/albums/Cards/Multipack/thumb_C-MP-0127-G.jpg
> bls JobId 0: -rw-r--r-- 1 506 506 16259 2009-10-29 20:31:07
> /home/byang/albums/Cards/Multipack/thumb_C-MP-0127-H.jpg
> bls JobId 0: -rw-r--r-- 1 506 506 17196 2009-10-29 20:31:07
> /home/byang/albums/Cards/Multipack/thumb_C-MP-0127-I.jpg
> bls JobId 0: -rw-r--r-- 1 506 506 20404 2009-10-29 20:31:07
> /home/byang/albums/Cards/Multipack/thumb_C-MP-0127-J.jpg
> bls JobId 0: -rw-r--r-- 1 506 506 34680 2009-10-29 20:31:07
> /home/byang/albums/Cards/Multipack/thumb_C-MP-0127-K.jpg
> 24-Feb 20:16 bls JobId 0: Error: block.c:275 Volume data error at
> 0:2147475478!
> Wanted ID: "BB02", got "". Buffer discarded.
> 50614 files found.
> --- End bls log
>
> The volume file is as follows:
>
> [root@jewel mike]# ls -l /backup/jewel/bacula/Monthly-0544
> -rw-r-----. 1 root root 2147479552 2010-02-07 04:33
> /backup/jewel/bacula/Monthly-0544
>
> The file in question is a single volume from a multi-volume job, split by
> file size
> of approx 2Gb each.
>
> When running bextract on the same file, with -vvv -d 3000 options, the
> progress
> gets as far as the following output, but then just sits there, consuming as
> much
> cpu as it can get hold of, but doesn't seem to get any more progress, even
> when
> left for several hours. It always sticks at the same file, which it creates
> but
> leaves as a zero byte file. The last bit of the log looks like this:
>
> --- Start bextract log
>
> ... [ big snip ]
>
> bextract: create_file.c:90-0 type=5 newmode=41fd
> file=/backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.executable.PackageRegistryBackend/
> bextract: create_file.c:118-0 Replace=a 97
> bextract: create_file.c:362-0 Make dir mode=40775
> dir=/backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.executable.PackageRegistryBackend/
> bextract: guid_to_name.c:138-0 uid=501 item=1f7e1c8
> bextract: attr.c:281-0 drwxrwxr-x 2 501 501 48 2008-12-13
> 11:32:21 *none*
> bextract: message.c:1102-0 Enter Jmsg type=13
> bextract: message.c:612-0 Enter dispatch_msg type=13 msg=bextract JobId 0:
> drwxrwxr-x 2 501 501 48 2008-12-13 11:32:21 *none*
> bextract: message.c:799-0 STDOUT for following msg: bextract JobId 0:
> drwxrwxr-x
> 2 501 501 48 2008-12-13 11:32:21 *none*
> bextract JobId 0: drwxrwxr-x 2 501 501 48 2008-12-13
> 11:32:21
> *none*
> bextract: record.c:465-0 Block=219743 Ver=2 size=64512
> bextract: record.c:473-0 Enter read_record_block: remlen=56984 data_len=195
> rem=0
> blkver=2
> bextract: record.c:533-0 rd_rec_blk() got FI=303570 SessId=62 Strm=UATTR
> len=222
> remlen=56972 data_len=0
> bextract: record.c:592-0 Rtn full rd_rec_blk FI=303570 SessId=62 Strm=UATTR
> len=222
> bextract: read_record.c:207-0 read-OK. state= blk=219743 rem=0
> file:block=0:1291207847
> bextract: read_record.c:217-0 recno=42 state= blk=219743 SI=62 ST=1264433856
> FI=303570
> bextract: read_record.c:286-0 OK callback. recno=42 state= blk=219743 SI=62
> ST=1264433856 FI=303570
> bextract: attr.c:77-0 Attr: 303570 3
> /home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: attr.c:83-0 Got Attr: FilInx=303570 type=3
> bextract: attr.c:116-0 unpack_attr FI=303570 Type=3
> fname=/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> attr=P0K Pe+ IG0 B H1 H1 A DAA BAA Q BLQB0q BJQ51F BJQ51F A A E lname=
> attrEx= ds=0
> bextract: match.c:333-0 pat=/
> file=/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: match.c:358-0 exc is NULL
> bextract: create_file.c:90-0 type=3 newmode=81b4
> file=/backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: create_file.c:118-0 Replace=a 97
> bextract: create_file.c:160-0 unlink
> /backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: create_file.c:189-0 Make path
> /backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend
> bextract: create_file.c:208-0
> Create=/backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: bfile.c:900-0 open file
> /backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: bfile.c:924-0 Open file 4
> bextract: guid_to_name.c:138-0 uid=501 item=1f7e1c8
> bextract: attr.c:281-0 -rw-rw-r-- 1 501 501 12288 2008-12-13
> 11:32:21
> /backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: message.c:1102-0 Enter Jmsg type=13
> bextract: message.c:612-0 Enter dispatch_msg type=13 msg=bextract JobId 0:
> -rw-rw-r-- 1 501 501 12288 2008-12-13 11:32:21
> /backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: message.c:799-0 STDOUT for following msg: bextract JobId 0:
> -rw-rw-r--
> 1 501 501 12288 2008-12-13 11:32:21
> /backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract JobId 0: -rw-rw-r-- 1 501 501 12288 2008-12-13
> 11:32:21
> /backup/recovery/mike/home/mike/.openoffice.org2.0/user/uno_packages/cache/registry/com.sun.star.comp.deployment.configuration.PackageRegistryBackend/registered_packages.db
> bextract: record.c:465-0 Block=219743 Ver=2 size=64512
> bextract: record.c:473-0 Enter read_record_block: remlen=56750 data_len=222
> rem=0
> blkver=2
> bextract: record.c:533-0 rd_rec_blk() got FI=303570 SessId=62 Strm=GZIP
> len=113
> remlen=56738 data_len=0
> bextract: record.c:592-0 Rtn full rd_rec_blk FI=303570 SessId=62 Strm=GZIP
> len=113
> bextract: read_record.c:207-0 read-OK. state= blk=219743 rem=0
> file:block=0:1291207847
> bextract: read_record.c:217-0 recno=43 state= blk=219743 SI=62 ST=1264433856
> FI=303570
> bextract: read_record.c:286-0 OK callback. recno=43 state= blk=219743 SI=62
> ST=1264433856 FI=303570
>
> ---
> End
> bextract
> log
>
> My guess is that it is probably disappearing on some kind of null or garbage
> pointer chase.
>
> Can someone who understands the internals of what is going on with these
> programs
> offer any information on what I can do to extract the rest of the volume?
>
> The file is 2gb in size, but I can make it available for download if that
> would
> help?
>
> I appreciate that this is probably a lost cause, but the fact that bls lists
> a lot
> of files beyond where bextract gets stuck gives me some hope that maybe with
> a few
> appropriate bytes poked into the appropriate part of the volume I can recover
> more
> than I am currently getting. Of course, Sod's Law dictates that the files I
> am most
> interested in are closer to the end of the volume than the beginning!
>
> I should also mention that I am using bacula version 3.0.3 on fedora 12,
> although
> the backup was originally created under bacula 2.4.4 on fedora 10.
>
> Any help would be much appreciated!
> --
> Mike Holden
>
>
>
>
>
> ------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
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