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2
votes
1answer
42 views

What would cause a successful file transfer to have checksums not match?

After very large file transfers (this only happens with 10gig+ files) to a specific system, the receiving system would have a mismatched checksum of the file. The transfer seems to have happened ...
0
votes
1answer
68 views

how to properly compare the same two large files on two different servers byte for byte?

So I have two servers with the same 10gb gzip file on each. On one server it unzips fine. On the other there are crc errors. The file sizes are the exact same. the systems are exactly the same ...
0
votes
2answers
47 views

Windows checksums?

I am looking for a official source for windows checksums (in my special case windows xp). Normally I use the "Microsoft Benefit Portal" for that, but seems like it's gone, at least I can't find it ...
1
vote
1answer
123 views

Checksumming to verify rsync transfers

So rsync runs some checksums in the course of deciding what to transfer (i.e. what blocks within a file). But is there any reason to trust the file you end up with on the receive side any more than ...
1
vote
1answer
688 views

CentOS 6 on Hyper-V - network adapter doesn't work (no checksum feature)

I have installed CentOS 6.0 on Hyper-V Server 2008 R2 SP1. VM has only synthetic network adapter enabled. Installation was successfull (without any network), then I installed Linux Integration ...
0
votes
1answer
94 views

sqlite.bz2 File does not match checksum - centos 5.7

I have tried absolutely everything, without good results... yum always fails with "sqlite.bz2 File does not match checksum" for different repositories, every single time, but always with the above ...
1
vote
2answers
275 views

SCP - Is a checksum required?

I'm backing up and transferring files automatically each night via scp. I realize I get packet-level checksums via the protocol itself, but I'm wondering what the best practice is to ensure that a ...
2
votes
1answer
244 views

Too many incorrect checksum errors in TCPDUMP

I find too many incorrect checksum errors from a TCPDUMP done on a GNU Linux 64bit server. There are close to 50% incorrect chekcsums in the export? cksum 0xe61f (incorrect (-> 0x8c37) How can we ...
1
vote
1answer
33 views

Windows 2003 Std server sending ip packets with checksum 0

So I was just doing some server side troubleshooting on the network I noticed that 1 of the servers sends all packets with the IP level checksum set to 0. It caught my eye because in my wireshark ...
0
votes
1answer
51 views

MediaWiki panic after modifying a file. Checksums maybe?

I've recently installed the latest version of MediaWiki on a dev server. I wanted to add some information on the edit page, and for this needed to modify an existing .php file to add in some more ...
2
votes
1answer
213 views

daily rsync backups with hard links, checksums, and a new computer

I backup my laptop to a Fedora desktop daily using rsync with hard links. This has worked great for almost a year. I recently purchased a new computer, transferred over my data, and would like to ...
0
votes
1answer
52 views

how i can read n first bit command output in windows batch file?

i use checksum command in my batch file and the output of command as follow : 69514a29dc44cd83b42658e917ed9baf *file.txt i want to return checksum only so i should store it in variable without ...
0
votes
3answers
91 views

UDP pseudoheader

Is it true that in the UDP header 2 bytes store a checksum for verification purposes by the destination host, and that this checksum is generated from a pseudoheader? If this is true, then why does a ...
1
vote
2answers
572 views

How to enforce rsync against performing checksum?

We perform nightly backups of a Windows file server by first creating an incremental backup file on the server each night (as well as a complete backup on Thursday night), and then copying that to a ...
0
votes
1answer
21 views

need help on extracting a file when checksum matches

I need a help on untaring a file when checksum matches. Here is the scenario. i have a tar file and its check sum is dfsafdafsafasfsaf232, stored in a checksum file and need a script to match this ...
0
votes
2answers
537 views

File is possibly corrupt - Checksum error when installing Win7

I've just built a new dev server. I am putting Windows 7 on it as I don't have a Server license and just picked up an OEM W7 Pro license. I am getting the message: The file is possibly corrupt. The ...
2
votes
1answer
280 views

File corruption (bad checksums) in large files copied to VMware guest

In setting up a development lab, I've got a desktop system running ESXi 4.1.0 (free license) on SATA RAID 0 (already purchased and configured when I started this job; I'm open to hardware input as it ...
2
votes
4answers
488 views

Is there a generic filesystem checksum tool for Linux?

EDIT: clarify context I have several loosely synchronized filesystems on different machines. (some content is redundant, some is not, things get moved by hand by the users). These are large ...
1
vote
1answer
519 views

Does DisableTaskOffload disable all related LAN Adapter settings?

I have been getting problems disabling Checksum Offload in a lot of LAN adapters manually. Does setting the DisableTaskOffload value in the registry disable all of the related parameters regardless of ...
1
vote
2answers
74 views

How can I verify the integrity of a WAN connection?

We have two scanners in our branch office which upload images to the head office via FTP. In the last week, both scanners have started delivering a lot of corrupted images. I suspect that the problem ...
4
votes
3answers
964 views

Creating a tar file with checksums included

Here's my problem : I need to archive to tar files a lot ( up to 60 TB) of big files (usually 30 to 40 GB each). I would like to make checksums ( md5, sha1, whatever) of these files before archiving; ...
0
votes
3answers
186 views

Win32 software to sync a file system to a FTP server using checksums?

The simple question is how do you sync a Windows file system to an FTP destination periodically while never checking the destination for change unless something bad happens and not relying on file ...
18
votes
6answers
526 views

How do I prove two files are the same legally?

We had someone steal some files before quitting and it has eventually come down to a lawsuit. I've now been provided with a cd of files and I have to "prove" that they are our files by matching them ...