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2
votes
3answers
52 views

Detecting and preventing HFS Plus/NTFS bit rot

Neither HFS Plus nor NTFS does any data integrity checking; aka checks for “bit rot” on data files stored on the system. This is concerning because Time Machine and similar tools cannot detect if they ...
0
votes
0answers
14 views

How do I check integrity of a file from DreamSpark?

I have a very unstable connection and it cut off multiple times while downloading Windows 8.1 using Microsoft's SDM, so I'm kind of concerned to how I can check to see if the file is still intact once ...
0
votes
0answers
27 views

Linux authenticated encryption

Is there a way to use authenticated encryption under Linux? I already have used FreeBSDs GEOM_ELI for encryption and GEOM_ELI offers an option to combine SHA256-HMAC with AES-XTS to provide both ...
1
vote
1answer
93 views

Verify rdiff backup integrity

I am using rdiff for my differential backup. Recently an issue happened where all versions of my backup failed to patch correctly and rdiff returning an error 106 which after investigation is a code ...
2
votes
2answers
69 views

Comparing folders on two unconnected computers

I'd like to compare folders on two different computers. I'm using BitTorrent Sync to synchronize currently 260 GBs of data between two computers: a Windows 7 desktop PC and a Windows 8.1 laptop. All ...
0
votes
1answer
31 views

PXE reliability

I understand that PXE is implemented by using TFTP over UDP - neither one of those protocols verifies integrity, which would seem important for something like the operating system - is there some sort ...
0
votes
1answer
162 views

Transactions per second in a database (say PostgreSQL)

I refer to 2 documentation pages on PostgreSQL's site: #1 and #2. From these, we see the transaction log is flushed to disk 5 times per second (wal_writer_delay = 200ms), and we also see the RDBMS ...
0
votes
2answers
34 views

File integrity checking

I have a lot of PDFs and many of them may be corrupt. Rather than checking each one, how could I check them all at once and delete any that are corrupt? Using Linux. I also don't have a way to get ...
1
vote
0answers
471 views

Cheaper alternative to ZFS Storage for a home NAS

I'm looking to build a NAS for home use with 8-10*(2-4TB) drives, out of which 2-3 drives would be used for parity via software RAID. In the past years and up to date, ZFS seems to have become the ...
0
votes
0answers
26 views

Does Zimbra guarantee data integrity?

I'm using Zimbra (v 7.1.4) via the web interface. Recently I tried to move a large number of messages from one folder to another. The web interface reported on the progress of the operation, in steps ...
2
votes
1answer
88 views

How to make GNU/Linux more robust in case of frequent power loss

When having a system (hardware), that has no protection against sudden power loss (zero power at all), what is the best way to keep the damage that may occur to a running GNU/Linux as low as possible? ...
8
votes
1answer
295 views

Is ECC mandatory in SSD technology?

While shopping for an SSD I have noticed that some manufacturers promote their "Pro" models as the ones sporting ECC data protection. Those manufacturers do not mention ECC in their budget models ...
0
votes
4answers
476 views

Check if a file has been changed

I have the following scenario: A certain process (A) creates files and I want to write a program which reads these files to generate some statistical data. The problem is simple. I want to be sure ...
3
votes
1answer
147 views

Does flash-memory integrity depend on system resources while reading/writing (like CDs/DVDs)?

Question I’m really concerned that flash-memory is just not reliable as a storage for irreplaceable files. Does anybody know if the integrity (corruptibility) of flash-memory (flash-drives, ...
10
votes
1answer
5k views

How do I fix “WARNING: message was not integrity protected” when using GPG symmetrical encryption?

I've encrypted a file using symmetric encryption like this: gpg --symmetric myfile which results in a file myfile.gpg. Alright. Now let's decrypt the file again: gpg -o myfile --decrypt ...
0
votes
2answers
123 views

Error proofing data

Is it possible to encode data is such a way that it can self-recover from corruptions? (corruptions - for example, hard drive or usb drive with bad sectors) I'm not looking for solutions involving ...
5
votes
1answer
756 views

Does Windows calculate CRCs to check every file operation?

When Windows encounters a file corruption on a file system, it may return the following error message: Data error (cyclic redundancy check). This suggests Windows checks every file operation ...
2
votes
1answer
305 views

Used HDD/ran DiskSmartView/40,000 Power-on-hours?? should i trust it w/ my data, or take it back and complain? [closed]

I just bought a used hard drive from a University Surplus Store. Decided to run DiskSmartView to make sure it wasn't ready to fail. 40,000 power-on-hours I don't know if I feel like trusting my ...
0
votes
1answer
206 views

Is there any chance that my data will get silently corrupted with a robocopy SMB network transfer?

I'm setting up a NAS box for the first time. At the moment, I have most of my data backed up to a few local hard drives, and I intend to transfer all the data to my NAS over ethernet once the RAID ...
2
votes
1answer
579 views

How can I detect (and correct) silent data corruption?

My question is, how can I detect silent data corruption at my home PC (Windows + Linux). I do rsync like automatic backups (with version history). But how do I know in a few months/years that a long ...
20
votes
5answers
980 views

How to transfer a file over pen and paper, with error correction

I'm looking for a way to transfer a file using only a pen and paper. This is somewhat similar to paperbak, except the density I'm looking for is much, much lower, and I don't want to use a printer or ...
1
vote
1answer
357 views

How to copy files from HDD to HDD with integrity checking

I am moving data from an almost dead HDD to an external USB drive using linux , because for some reason Windows cannot see the data. I want to copy a large amount of data over from the HDD to the USB ...
1
vote
1answer
233 views

Finder Error -36 with Console I/O Error - potential causes?

I'm copying a lot of data between two hard drives. The first one (the source) was getting a lot of repetitive Finder Error -36 codes. Scanning the Console this is linked to an I/O Error coming from ...
5
votes
1answer
295 views

Is it safe to edit files during the defragmentation process?

Assuming I'm on an NTFS partition, is it just as safe to edit files during defragmentation as when not? Is there any added risk, even if very small? If not, how does the operating system ensure the ...
3
votes
1answer
3k views

High “wasted” on a torrent download, with no hashfails

Recently I have downloaded a game patch from a torrent. The total patch size was ~528 MB and the torrent has shown 235 MB as "wasted", with 0 hashfails. Some other things I remember about the ...
1
vote
1answer
198 views

How can I ensure the correctness of a .tar.gz file I recently downloaded from a server?

How can I ensure the correctness of a .tar.gz file I recently downloaded from a server?
2
votes
2answers
8k views

How can I verify the read/write integrity of a compact flash device?

I've got a bunch of compact flash cards that I've used heavily in a professional photo and video capacity. I'm concerned that one of them is going bad, since I am seeing files (most often video, but ...
1
vote
2answers
73 views

Changing filesystem types “safely”

Back in Windows 95 OSR2 (I believe), there was a conversion tool that would take your extant FAT16 partition and change it to FAT32 non-destructively (most of the time). Are there any tools like that ...
1
vote
2answers
80 views

Data Archiving vs not

For the sake of data integrity, is it wiser to archive your files or just leave them unarchived. No compression is being used. My thinking is that if you leave your files unarchived, if there is ...
4
votes
4answers
3k views

How can I copy a folder with many files with integrity check?

I just got a new hard drive and want to move many of the folders from the old hard drive to the new one, but I want to make sure everything is copied over correctly. I tried using md5summer to ...