01-06-2002
I use ext2 and love it.... no plans to move to ext3... seems like it has a lot of overhead that I don't need (since my ext2 filesystems don't crash...) Perhaps if you are in an environment where someone powers down a server (all the time) without doing a proper shutdown, ext3 is worth the overhead?
10 More Discussions You Might Find Interesting
1. Filesystems, Disks and Memory
Hi all,
long time ago I posted something, but now, it is needed again :(
Currently, I am handling with a big NFS Server for more than 200 clients, this sever has to work with 256 NFSDs. Because of this huge amount of NFSDs, there are thousands of small write accesses down to the disk and... (3 Replies)
Discussion started by: malcom
3 Replies
2. UNIX for Dummies Questions & Answers
Dear friends,
Does any one know about alert "write catch hit ratio" on Solaris 9?
How to avoid???? (0 Replies)
Discussion started by: solaris5.10
0 Replies
3. Filesystems, Disks and Memory
Is it slower to open or create a file in a directory with 1 million files than a directory with 1000 files? How much slower? Where can I find information about this?
I'm mainly concerned about JFS on AIX, but also NTFS on Windows Server. Is there a difference?
I'm trying to determine a good... (6 Replies)
Discussion started by: cyner
6 Replies
4. Shell Programming and Scripting
Hi all, I have a php file that grabs xml, parses it and updates my db accordingly. I want to automate the execution of this process, rather than having to hit the url manually.
I have been looking into using cron to execute a script to do this, however i'm not exactly sure what command i would... (1 Reply)
Discussion started by: restivz77
1 Replies
5. Programming
hi,
in my application, i have set up to capture SIGINT and execute a handler.the problem is whenever i hit C-c, multiple SIGINT are sent to the application.I have blocked the SIGINT right after catching the first one but it is unsuccessful.Here is what i do :
jmp_buf main_loop;
int... (1 Reply)
Discussion started by: Sedighzadeh
1 Replies
6. Shell Programming and Scripting
I have a unix shell script (ex.sh) written.
How to find out how many users (incl. myself) have run this .sh ?
I can insert code snipet at top of script if need be.
- Ravi (2 Replies)
Discussion started by: ravi368
2 Replies
7. Shell Programming and Scripting
Hi.. I need to get the following output from the input file like this
INPUT
GRM1 GRM1 0
GRM1 ABC1 1
GRM1 FEQ1 2
GRM1 SED1 3
ABC2 GRM1 0
ABC2 ABC2 1
ABC2 FEQ1 2
ABC2 BED1 3
SED1 SED1 0
SED1 SED1 1
SED1 SED1 2
SED1 ABC1 3
OUTPUT: (7 Replies)
Discussion started by: empyrean
7 Replies
8. SuSE
Hello,
I'm having trouble looking for info for SUSIE on this CVE-2012-4681.
This is basically the newest Java hit. It is mostly a web browser issue but I would like to see if the versions on our servers are vulnerable. I already found the pages/info for Solaris and RHEL.
Any help would be... (4 Replies)
Discussion started by: bitlord
4 Replies
9. Cybersecurity
Hello,
I'm having an issue with VNC. Security at work says that they scanned my servers (Solaris, RHEL, SLES) and found that you don't need a password to access a VNC session. I have tested this and you can't login to the VNC session without a password. Can someone tell what the Retina scanner... (1 Reply)
Discussion started by: bitlord
1 Replies
10. Shell Programming and Scripting
Hello,
I am looking to hit a URL using curl and click on submit button so that I can get the results. The below is the code
<input name="tos_accepted" id="tos_accepted" class="button" type="submit" value="Yes, I Agree"/>
<input name="tos_discarded" id="tos_discarded"... (1 Reply)
Discussion started by: Kochappa
1 Replies
E2UNDO(8) System Manager's Manual E2UNDO(8)
NAME
e2undo - Replay an undo log for an ext2/ext3/ext4 filesystem
SYNOPSIS
e2undo [ -f ] [ -h ] [ -n ] [ -o offset ] [ -v ] [ -z undo_file ] undo_log device
DESCRIPTION
e2undo will replay the undo log undo_log for an ext2/ext3/ext4 filesystem found on device. This can be used to undo a failed operation by
an e2fsprogs program.
OPTIONS
-f Normally, e2undo will check the filesystem superblock to make sure the undo log matches with the filesystem on the device. If they
do not match, e2undo will refuse to apply the undo log as a safety mechanism. The -f option disables this safety mechanism.
-h Display a usage message.
-n Dry-run; do not actually write blocks back to the filesystem.
-o offset
Specify the filesystem's offset (in bytes) from the beginning of the device or file.
-v Report which block we're currently replaying.
-z undo_file
Before overwriting a file system block, write the old contents of the block to an undo file. This undo file can be used with
e2undo(8) to restore the old contents of the file system should something go wrong. If the empty string is passed as the undo_file
argument, the undo file will be written to a file named e2undo-device.e2undo in the directory specified via the E2FSPROGS_UNDO_DIR
environment variable.
WARNING: The undo file cannot be used to recover from a power or system crash.
AUTHOR
e2undo was written by Aneesh Kumar K.V. (aneesh.kumar@linux.vnet.ibm.com)
AVAILABILITY
e2undo is part of the e2fsprogs package and is available from http://e2fsprogs.sourceforge.net.
SEE ALSO
mke2fs(8), tune2fs(8)
E2fsprogs version 1.44.1 March 2018 E2UNDO(8)