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Posted Monday, February 14, 2011 1:12 AM
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I coulnd not backup the database in sql server 2000 . i got erro" Nonreoverable I/O error occured 'E:\mssql\data.mdf' .

this is haraware related error. disk problem..


Please help me .

How to recover the backup data..
Post #1063342
Posted Monday, February 14, 2011 1:25 AM


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I wouldn't be worried about the backup right about how, I'd be worried about the database itself. That error is on the mdf file.

Please run this and post the full output.
DBCC CheckDB(<Database name>) WITH No_INFOMSGS, ALL_ERRORMSGS




Gail Shaw
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Post #1063345
Posted Monday, February 14, 2011 1:29 AM


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is the location exist which is mentioned for backup? Seems like the path is no more accessible.

Also not sure what do you mean by recover the backup?
as long your database is available, you can have fresh backup instead of looking for old backups(i know i know......not necessary when past backup is required for some point in time restoration)


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Ashish
Post #1063347
Posted Monday, February 14, 2011 1:30 AM
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Hi,

I ran this query no error.. completed successfully..

Whether any data pages are corrupted or not... i have lost two day data in production server..

backup failed for two days
Post #1063349
Posted Monday, February 14, 2011 1:35 AM
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my problem dont have old backup so i take up new backup , but i could not take backup .got error" non recoverable i/o error occured' yester also database went suspect mode. but resovled that problem ..
Post #1063352
Posted Monday, February 14, 2011 1:38 AM


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What was the details of the suspect state (why did the DB go suspect) and how did you fix it?

I suggest you do some checks (or get your sysadmin to) on the IO subsystem. There is something wrong with the drive the data file is not, not the backup destination.



Gail Shaw
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Post #1063353
Posted Monday, February 14, 2011 1:39 AM


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crazy4sql (2/14/2011)
is the location exist which is mentioned for backup? Seems like the path is no more accessible.


The non-recoverable IO error is on the data file, not the backup file.



Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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Post #1063354
Posted Monday, February 14, 2011 1:40 AM


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how big is your database? Do you have enough space on the disk where you putting the backup file if not then you need to amend the location as :-

backup database yourdbname to disk = 'd:\yourdbname.bak'
**Assuming d drive is accessible and have enough space to put the backup file.

In addition, you have other option as well like :-
1) considering differential backup instead of full backup.
2) considering the third party tool like litespeed to take compressed backup
3) if you in 2008 or above, you can use sql compressed backup.

*************edit
Thanks for correcting me Gail. I thought database is accessible and the problem is with backup.


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Ashish
Post #1063355
Posted Monday, February 14, 2011 2:44 AM
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database size : 12 GB

I has lots free space there : more than 85 GB

i have queried table and databse is online status.. what is the problem..
i want to backup the databas otherwise i lost 3 days data lost
Post #1063376
Posted Monday, February 14, 2011 3:14 AM


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if your database is accessible and healthy then instead of taking the backup to problamatic location, you can take it to some other location( other drive).

OR

are you saying that you getting the error everytime irrespective of taking backup to any drive?
Please post your error msg after putting the backup to some other location.


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Ashish
Post #1063381
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