Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [data-integrity]

46 questions
0
votes
1 answer

live server disk image backup data integrity

I've been looking for a way to do a disk image backup of a running linux server. There are several questions which answer this, like How to make a disk image, Mirror Live Linux (Debian) Server, Linux live hot backup snapshot and debian live server…
1gd_1bs37coua9dd
  • 31
  • 3
0
votes
2 answers

Is there a service I can run which will automatically test CPU/RAM/hardware in the background?

Is there any service which runs in the background, and does the job of prime95 (i.e. it tests server CPU/RAM for integrity now and again)? Regards, Shane. p.s. The reason I ask: we recently had some bad RAM on our server, which ended up slowly…
Contango
  • 1,150
  • 5
  • 15
  • 31
0
votes
1 answer

Logrotate with `copytruncate` "data loss" - is it serious?

Manpage of logrotate claims that using copytruncate option leads to "a very small time slice between copying the file and truncating it, so some logging data might be lost". Is it actually relevant in real world scenarios? I'm using logrotate…
Lapsio
  • 363
  • 1
  • 5
  • 15
0
votes
1 answer

MySQL Table Checksum - Before or after MySQL dump?

The company I'm currently working for has a script that runs at night that takes a MySQL dump of the production environment and imports it into the staging environment. This is a very basic setup - No replication, no fancy backup or migration…
Justin
  • 137
  • 2
  • 9
0
votes
1 answer

How to repair a mailbox with public folders?

We have an Exchange 2013 organization with sort of legacy public folder set transferred via import/export from Exchange 2003 times. It has several linked mailboxes for our staff, and several dozens of public folders stuffed into a single PF mailbox…
Vesper
  • 794
  • 1
  • 9
  • 32
0
votes
1 answer

Best way to add a new non-nullable column?

I'm a web developer, with admin rights on our SQLServer, and I need to add a non-nullable integer column (foreign key) to an existing table. I'm looking for the best way to create this column and populate it with data. Example of the new…
ThoseDarnKids
  • 103
  • 2
0
votes
1 answer

Managing uploaded files on a server

I have a server hosting an intranet web site where one of the features will be the ability to upload files. The files will be saved in a restricted access folder and managed through the web back-end. To avoid name collisions, I plan on assigning…
Big_Al_Tx
  • 101
  • 2
0
votes
3 answers

Which SSD to choose, when unexpected powerlosses are frequent?

I am working on a embedded system where there can be unexpected power losses. So far it has been using a Corsair F80 SSD with Windows Embedded Standard 7 (NTFS), and after a unexpected power loss there were some issues that required the OS to be…
Walkingsteak
  • 3
  • 2
0
votes
1 answer

Best practices for mass file transfer with verification?

I'm looking for a bit of advice on transferring a several files from Windows-based workstations to a Linux Server running Ubuntu Server LTS 10.04. At the moment I've been mounting the shares on the Linux box and rsyncing them, but I'm not sure if…
toolshed
  • 237
  • 4
  • 15
0
votes
2 answers

SQL: Find Last Integrity Check Date

Is there a way to check when was the last integrity check run for each database? I know when the service startup it checks for these values, so they exist, and they are probably writen on the database header information. By the way I would like an…
Gabriel Guimarães
  • 405
  • 5
  • 18
0
votes
3 answers

How two or more guest OS's hosted in a virtual environment handles editing of single resource?

I know this sounds very general question. Consider 2 OS's running using virtualization say operating system level virtualization. How concurrency is handled if both hosted OS using same resource and how this works?
pramodc84
  • 103
  • 3
0
votes
1 answer

Why does DBCC CHECKTABLE report errors on non-existent pages?

When I run DBCC CHECKDB, I get a slew of error messages like this: Table error: object ID 2020918271, index ID 1, partition ID 72057594196590592, alloc unit ID 72057594190233600 (type In-row data), page (4:129574), row 0. The record check (valid…
Aaronaught
  • 492
  • 2
  • 4
  • 13
0
votes
1 answer

Linux file system(s) with ACID guarantees?

What could I do, to obtain a Linux file system, with the same guarantees as ACID guarantees for databases? It seems file systems haven’t advanced to this point that I had assumed would be industry standard for everything by now. At least I could not…
Evi1M4chine
  • 161
  • 6
0
votes
1 answer

Linux server power outage - data integrity and OS corruption checks

What are the best practice steps to check for / recover from potential Linux OS corruption, in the event of unexpected power outage (or VM host failure)? Of course it "depends" on the installation and setup, but I'm looking for common actions /…
Jaans
  • 175
  • 8
0
votes
1 answer

Does zfs zfs recv validate checksums?

It seems that zfs send includes a checksum for all included data (stated for instance here). Is this checksum automatically verified by zfs recv? I would assume it is, but I cannot find any confirmation of this. I'm planning to use zfs send/recv to…
joaerl
  • 397
  • 1
  • 3
  • 11
1 2
3
4