04-10-2008
Somehow the users must now have different uids and gids in /etc/passwd. You need to recover and install a copy of /etc/passwd.
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1. UNIX for Dummies Questions & Answers
Started an frecover from Sam, with a recovery scope and a different destination.
Here is what is happening.
Starting file recovery...
frecover(5423): incorrect volume mounted;
frecover(5424): expected volume 1, and got 2
frecover(5433): Do you wish to continue using this volume? (^/^) y... (5 Replies)
Discussion started by: molonede
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2. HP-UX
I have machine (HP-UX) 11.x and I took backup using fbackup (took 4 DDS tapes) then i did restore using frecover . the restore
failed on the 4th tape . and the process killed .
Can I restore only the 4th tape. or I have to do full recover from biginning ? (1 Reply)
Discussion started by: salhoub
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3. UNIX for Dummies Questions & Answers
Hi,
Can someone please explain how I can check whether my files were backed-up to tape.
I issued this command and got an error:-
# frecover -I /tmp/mth -f /dev/rmt/5m
frecover(2105): did not find expected file marker
frecover(5409): unable to read volume header
frecover(5418): not an... (2 Replies)
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4. HP-UX
Hi All,
We have about 7 years worth of data which used the HP fbackup utility. Is there any utility to read these tapes on Solaris? The goal is to create new tapes using Legato.
Do we need to download them to a box first using frecover, then copy them from SUN using Legato?
Any help in... (0 Replies)
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5. HP-UX
Hi,
I have a tape fbackup done (fbackup -f /dev/rmt/0m -i / -I index.fullfbackup) and I need to restore 3 filesystems, I would like to know the correct command and options:
example:
I want to restore the filesystem /data1 under /data1
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6. AIX
1) when user login to the server the session got colosed. How will resolve?
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Thanks in advance. (1 Reply)
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7. Red Hat
Hello All,
The frecover command on HP UX gives information about the backed up file in the format-
Magic Field:
Machine Identification:
System Identification:HP-UX
Release Identification:B.11.11
Node Identification:
User Identification:
Record Size:
Time:
Media Use:0
Volume Number:1... (1 Reply)
Discussion started by: shamik
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8. AIX
Dear ALL.
I installed AIX OS on customer sites.
but Only one site is too slow when I connected telnet, ftp..
Ping is too fast. but telnet and FTP is not connected..
of course i check the configuration file on aix but it's normal.
Do any Idea??
thanks in advance.
- Jun - (3 Replies)
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9. IP Networking
Hi,
This is rather a question from a "user" than from a sys admin, but I think this forum is apropriate for the question.
I have an adress with automatic email forwarding and for some senders (two hietherto), emails are bouncing. This has really created a lot of problems those two time so I... (0 Replies)
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10. UNIX for Dummies Questions & Answers
I don't know if you guys get this problem sometimes at Terminal but I had been having this problem since yesterday :( Maybe I overdid the Terminal. Even the codes that used to work doesn't work anymore.
Here is what 's happening:
* I wanted to remove lines containing digits so I used this... (25 Replies)
Discussion started by: Nexeu
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LEARN ABOUT DEBIAN
bup-damage
bup-damage(1) General Commands Manual bup-damage(1)
NAME
bup-damage - randomly destroy blocks of a file
SYNOPSIS
bup damage [-n count] [-s maxsize] [--percent pct] [-S seed] [--equal]
DESCRIPTION
Use bup damage to deliberately destroy blocks in a .pack or .idx file (from .bup/objects/pack) to test the recovery features of bup-fsck(1)
or other programs.
THIS PROGRAM IS EXTREMELY DANGEROUS AND WILL DESTROY YOUR DATA
bup damage is primarily useful for automated or manual tests of data recovery tools, to reassure yourself that the tools actually work.
OPTIONS
-n, --num=numblocks
the number of separate blocks to damage in each file (default 10). Note that it's possible for more than one damaged segment to
fall in the same bup-fsck(1) recovery block, so you might not damage as many recovery blocks as you expect. If this is a problem,
use --equal.
-s, --size=maxblocksize
the maximum size, in bytes, of each damaged block (default 1 unless --percent is specified). Note that because of the way bup-
fsck(1) works, a multi-byte block could fall on the boundary between two recovery blocks, and thus damaging two separate recovery
blocks. In small files, it's also possible for a damaged block to be larger than a recovery block. If these issues might be a
problem, you should use the default damage size of one byte.
--percent=maxblockpercent
the maximum size, in percent of the original file, of each damaged block. If both --size and --percent are given, the maximum block
size is the minimum of the two restrictions. You can use this to ensure that a given block will never damage more than one or two
git-fsck(1) recovery blocks.
-S, --seed=randomseed
seed the random number generator with the given value. If you use this option, your tests will be repeatable, since the damaged
block offsets, sizes, and contents will be the same every time. By default, the random numbers are different every time (so you can
run tests in a loop and repeatedly test with different damage each time).
--equal
instead of choosing random offsets for each damaged block, space the blocks equally throughout the file, starting at offset 0. If
you also choose a correct maximum block size, this can guarantee that any given damage block never damages more than one git-fsck(1)
recovery block. (This is also guaranteed if you use -s 1.)
EXAMPLE
# make a backup in case things go horribly wrong
cp -a ~/.bup/objects/pack ~/bup-packs.bak
# generate recovery blocks for all packs
bup fsck -g
# deliberately damage the packs
bup damage -n 10 -s 1 -S 0 ~/.bup/objects/pack/*.{pack,idx}
# recover from the damage
bup fsck -r
SEE ALSO
bup-fsck(1), par2(1)
BUP
Part of the bup(1) suite.
AUTHORS
Avery Pennarun <apenwarr@gmail.com>.
Bup unknown- bup-damage(1)