Re: MySQL Lost 3 Weeks of Data

2004-02-13 Thread Dr. Frank Ullrich
Michael,

check all your connectivity settings (host and port) of all of the 
software that you use (backup scripts for example) especially if you 
connect via tcp/ip instead of via sockets.
Check the error log, too.
Did you move something on January, 20th (database)?

From our own experiences it sounds to me it is most likely a failure in 
the human interface but I may be totally wrong.

Good Luck!

Regards,
 Frank.
Schmuck, Michael schrieb:
Hello
 
I've got a big problem. My MySQL server has yesterday lost data since 20th
january. 
 
Fact, we got a daily tape backup. All our tapes (monday - friday tapes,
oldest one is we 04th feb) 
are holding the database of 19th january evening.
 
 
Yesterday at about 14 o'clock we resartet the demon on our bsd server since
september 03. I belive the deamon
didn't wrote the data into the files. At the restart of the database he
loaded the old files and lost erverything newer
then 20th. 
 
Everyone in my company says thats impossible (lost during restart of
deamon). Everyone else says somthing wrong with the 
database update software, but the user worked all feb with this data. 
 
Wed morning he says he could work with it, but after our restart the
database was like 19th jan.
 
 
Has someone ideas why this happened? I couldn't explan to me why this
happened!
 
grds,
Michael Schmuck
 
p.s. sorry for bad english



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Dr. Frank Ullrich, DBA Netzwerkadministration
Heise Zeitschriften Verlag GmbH  Co KG, Helstorfer Str. 7, D-30625 Hannover
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Re: MySQL Lost 3 Weeks of Data

2004-02-13 Thread Chuck Gadd
Schmuck, Michael wrote:

I've got a big problem. My MySQL server has yesterday lost data since 20th
january. 
 
Yesterday at about 14 o'clock we resartet the demon on our bsd server since
september 03. I belive the deamon
didn't wrote the data into the files. At the restart of the database he
loaded the old files and lost erverything newer
then 20th. 
What do you mean: he loaded the old files and lost everything
newer than 20th.
Did he restore from a backup tape?  If so, then it's probably
a problem with your backup system not properly backing up the
mysql tables.   While the Mysql process is running, the files
are in-use by Mysqld, and many tape-backup programs cannot
properly copy files that are in-use.


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MySQL Lost 3 Weeks of Data

2004-02-12 Thread Schmuck, Michael
Hello
 
I've got a big problem. My MySQL server has yesterday lost data since 20th
january. 
 
Fact, we got a daily tape backup. All our tapes (monday - friday tapes,
oldest one is we 04th feb) 
are holding the database of 19th january evening.
 
 
Yesterday at about 14 o'clock we resartet the demon on our bsd server since
september 03. I belive the deamon
didn't wrote the data into the files. At the restart of the database he
loaded the old files and lost erverything newer
then 20th. 
 
Everyone in my company says thats impossible (lost during restart of
deamon). Everyone else says somthing wrong with the 
database update software, but the user worked all feb with this data. 
 
Wed morning he says he could work with it, but after our restart the
database was like 19th jan.
 
 
Has someone ideas why this happened? I couldn't explan to me why this
happened!
 
grds,
Michael Schmuck
 
p.s. sorry for bad english


Re: MySQL Lost 3 Weeks of Data

2004-02-12 Thread Chris Nolan
First and foremost, your English is not even remotely bad! You should 
hear half of my native-English speaking friends!

Can you give us some more information, such as the server configuration, 
OS, filesystem, MySQL version, table types in use, table size, size of 
the data gone missing, backup methods and anything else worthy of note 
(forms of logical volume management, impatient users that reboot servers 
because they can't look at www.insert terrible site here.com due to 
proxy/firewall restrictions)?

Regards,

Chris

Schmuck, Michael wrote:

Hello

I've got a big problem. My MySQL server has yesterday lost data since 20th
january. 

Fact, we got a daily tape backup. All our tapes (monday - friday tapes,
oldest one is we 04th feb) 
are holding the database of 19th january evening.

Yesterday at about 14 o'clock we resartet the demon on our bsd server since
september 03. I belive the deamon
didn't wrote the data into the files. At the restart of the database he
loaded the old files and lost erverything newer
then 20th. 

Everyone in my company says thats impossible (lost during restart of
deamon). Everyone else says somthing wrong with the 
database update software, but the user worked all feb with this data. 

Wed morning he says he could work with it, but after our restart the
database was like 19th jan.
Has someone ideas why this happened? I couldn't explan to me why this
happened!
grds,
Michael Schmuck
p.s. sorry for bad english

 



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