Re: Restoring failed due to Unexpected Error

2011-11-22 Thread Reindl Harald
yes - take your fingers away and go to a datarecovery company
if it is not too late because you are damaging the disk more
and more, NOW it is too late for backups!

Am 22.11.2011 06:03, schrieb Adarsh Sharma:
 Any comments to get the data back know.
 My hard disk crashes about 90% but when I start any kind of backup or select 
 output into a file from 40GB table ,
 it stops after 30 GB  then stalled because there are bad sectors to read.
 
 Is it possible to get the remaining data ( 10GB) , as all backups are also 
 corrupted resulting in errors.
 
 Hard disk heats up after 30 Gb backup , but if no backup is taken it is 
 working fine.
 
 
 Thanks
 
 
 Reindl Harald wrote:
 Am 18.11.2011 14:18, schrieb Johan De Meersman:
   
 - Original Message -
 
 From: Reindl Harald h.rei...@thelounge.net

 but anyways, the message sounds like a damaged compressed file
   
 Looks more like he's got an HTML file instead of an SQL file, to me.

 Have a look inside the file, maybe the HTML is just a wrapper or something.
 How was the backup taken ?
 

 yes the tml is strange but gunzip: stdin: unexpected end of file sounds
 like the bigger problem to me, backups without verify integrity are
 a dangerous game because you need them not often but if you need them
 it is fatal if they are corrupt

   
 

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RE: Reusing ibdata1 space

2011-11-22 Thread Rozeboom, Kay [DAS]
Johan, I think you are right about this.  The problem does not appear to be 
with the database at all, but with the undo log.  Thanks for pointing me in the 
right direction.


-Original Message-
From: Johan De Meersman [mailto:vegiv...@tuxera.be] 
Sent: Tuesday, November 01, 2011 10:01 AM
To: Rozeboom, Kay [DAS]
Cc: mysql@lists.mysql.com
Subject: Re: Reusing ibdata1 space

- Original Message -
 From: Kay Rozeboom [DAS] kay.rozeb...@iowa.gov
 
 I realize that this would not return the unused space to the operating 
 system.  But would it return it to MySQL so that it could be re-used 
 for subsequent inserts, instead of extending ibdata1
 further?

That should normally already happen. An occasional optimize table might help 
defragment the tablespace, but space from properly deleted records should be 
reused anyway (save for really small fragments).

I recommend you keep track of the innodb free tablespace for a while, and see 
how that evolves - it should go relatively low before the tablespace expands on 
disk.


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Re: Chinese characters not displaying in Workbench latest version

2011-11-22 Thread Neil Tompkins
The problem was the character set not loaded on the OS

On 21 Nov 2011, at 22:08, Michael Cole colemic...@gmail.com wrote:

 I think what he was asking is, Are you running the Mysql workbench on the 
 same 
 machine? You may not have the correct Fonts.
 
 Being replicated the character sets of the two dbs should be the same have 
 you 
 checked that they actually are set to the same?
 
 
 
 
 On Monday, November 21, 2011 9:20:10 PM Neil Tompkins wrote:
 MySQL workbench
 
 On 21 Nov 2011, at 13:36, Chris Tate-Davies 
 chris.tatedav...@inflightproductions.com wrote:
 What are you using to view the data?
 
 On Mon, 2011-11-21 at 08:22 -0500, h...@tbbs.net wrote:
 ; 2011/11/20 20:27 +, Tompkins Neil 
 Does anyone know why Chinese characters are not displaying correctly
 in a replicated database on a slave machine ?  I'm just getting
 square boxes. 
 What displays them? it sounds to me as if the display lacks something,
 not so much MySQL.
 
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innodb space free decreasing by more then the amount of data we're adding

2011-11-22 Thread Sean Sidelko
We just moved a large amount of data off one of our db servers to another one 
(75gb of data). One thing I've noticed is that over the last couple days the 
free innodb space has been decreasing by over 2.5 gb a day while we've only 
been adding 400 mb of data a day to the db server.

I'm at a loss as to why the innodb free space would be decreasing like it has 
been. This is on a MySql 5.0 install.

Sean

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Data file for MyISAM engine

2011-11-22 Thread Yu Watanabe
Hi !

I would like to ask question regarding to the MyISAM engine.

Is there any physical file that you have to be aware of its size 
for disk sizing, like the ibdata1 in innodb storage engine? 

It seems that MYD is the data file but this file size seems to be not
increasing after the insert sql.

Thanks,
Yu


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Re: Data file for MyISAM engine

2011-11-22 Thread Johan De Meersman
- Original Message -
 From: Yu Watanabe yu.watan...@jp.fujitsu.com
 
 It seems that MYD is the data file but this file size seems to be not
 increasing after the insert sql.

That's right, it's an L-space based engine; all the data that has, is and will 
ever be created is already in there, so storage never increases :-p

Seriously though; the MYD file is the datafile and the MYI file is the index 
file. Both of those will increase with use, although since storage allocation 
happens based off pages, not records, increases will only happed when the 
existing pages are filling up.


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