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MySQL MyISAM corrupt table, how to restore?
How to speed up MySQL table repairing process?Restoring a slave MySQL database from raw backups of master gives InnoDB tablespace errorsMysql-Server-5.1 upgrade problemMySQL: Corrupt ARCHIVE table. Help, Please?multiple mysql processes caused DB table to crashMySql crash: Incorrect key file for tableMySQL Table not repairingMariaDB galera cluster fail when dumping or optimizing databaseMySQL Server won't start - [ERROR] COLLATIONFatal error: Can't open and lock privilege tables: Table storage engine for 'user' doesn't have this option
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I have a MySQL MyISAM table that's corrupt. It first showed up in my mysql log as:
[ERROR] /usr/sbin/mysqld: Table './mydb/mytable' is marked as crashed
and last (automatic?) repair failed
I then ran CHECK TABLE on it, and after churning away for well over an hour, I got this:
+--------------+-------+----------+----------------------------------------------------------+
| Table | Op | Msg_type | Msg_text |
+--------------+-------+----------+----------------------------------------------------------+
| mydb.mytable | check | warning | Table is marked as crashed and last repair failed |
| mydb.mytable | check | warning | 5 clients are using or haven't closed the table properly |
| mydb.mytable | check | warning | Size of indexfile is: 215237632 Should be: 4096 |
| mydb.mytable | check | error | Record-count is not ok; is 4212263 Should be: 0 |
| mydb.mytable | check | warning | Found 48 deleted space. Should be 0 |
| mydb.mytable | check | warning | Found 1 deleted blocks Should be: 0 |
| mydb.mytable | check | warning | Found 8362327 key parts. Should be: 0 |
| mydb.mytable | check | error | Corrupt |
+--------------+-------+----------+----------------------------------------------------------+
Does all this indicate that this table is too far gone to be salvageable? Or should REPAIR TABLE still work? Or are there other options to fix this table without replacing the data? I'm asking first because this table is pretty huge for my system and I have a feeling that it's going to take a loooong time to know if repair is going to work.
mysql corruption myisam
asked Feb 26 '14 at 3:06
curtisdfcurtisdf
1911213
add a comment |
I have a MySQL MyISAM table that's corrupt. It first showed up in my mysql log as:
[ERROR] /usr/sbin/mysqld: Table './mydb/mytable' is marked as crashed
and last (automatic?) repair failed
I then ran CHECK TABLE on it, and after churning away for well over an hour, I got this:
+--------------+-------+----------+----------------------------------------------------------+
| Table | Op | Msg_type | Msg_text |
+--------------+-------+----------+----------------------------------------------------------+
| mydb.mytable | check | warning | Table is marked as crashed and last repair failed |
| mydb.mytable | check | warning | 5 clients are using or haven't closed the table properly |
| mydb.mytable | check | warning | Size of indexfile is: 215237632 Should be: 4096 |
| mydb.mytable | check | error | Record-count is not ok; is 4212263 Should be: 0 |
| mydb.mytable | check | warning | Found 48 deleted space. Should be 0 |
| mydb.mytable | check | warning | Found 1 deleted blocks Should be: 0 |
| mydb.mytable | check | warning | Found 8362327 key parts. Should be: 0 |
| mydb.mytable | check | error | Corrupt |
+--------------+-------+----------+----------------------------------------------------------+
Does all this indicate that this table is too far gone to be salvageable? Or should REPAIR TABLE still work? Or are there other options to fix this table without replacing the data? I'm asking first because this table is pretty huge for my system and I have a feeling that it's going to take a loooong time to know if repair is going to work.
mysql corruption myisam
asked Feb 26 '14 at 3:06
curtisdfcurtisdf
1911213
The output above suggests that MySQL believes the table "Should be" empty. I hope you had backups.
– Michael Hampton♦
Feb 26 '14 at 3:47
Actually,REPAIR TABLEworked nicely, and quicker than I thought.
– curtisdf
Feb 26 '14 at 4:34
add a comment |
I have a MySQL MyISAM table that's corrupt. It first showed up in my mysql log as:
[ERROR] /usr/sbin/mysqld: Table './mydb/mytable' is marked as crashed
and last (automatic?) repair failed
I then ran CHECK TABLE on it, and after churning away for well over an hour, I got this:
+--------------+-------+----------+----------------------------------------------------------+
| Table | Op | Msg_type | Msg_text |
+--------------+-------+----------+----------------------------------------------------------+
| mydb.mytable | check | warning | Table is marked as crashed and last repair failed |
| mydb.mytable | check | warning | 5 clients are using or haven't closed the table properly |
| mydb.mytable | check | warning | Size of indexfile is: 215237632 Should be: 4096 |
| mydb.mytable | check | error | Record-count is not ok; is 4212263 Should be: 0 |
| mydb.mytable | check | warning | Found 48 deleted space. Should be 0 |
| mydb.mytable | check | warning | Found 1 deleted blocks Should be: 0 |
| mydb.mytable | check | warning | Found 8362327 key parts. Should be: 0 |
| mydb.mytable | check | error | Corrupt |
+--------------+-------+----------+----------------------------------------------------------+
Does all this indicate that this table is too far gone to be salvageable? Or should REPAIR TABLE still work? Or are there other options to fix this table without replacing the data? I'm asking first because this table is pretty huge for my system and I have a feeling that it's going to take a loooong time to know if repair is going to work.
mysql corruption myisam
asked Feb 26 '14 at 3:06
curtisdfcurtisdf
1911213
I have a MySQL MyISAM table that's corrupt. It first showed up in my mysql log as:
[ERROR] /usr/sbin/mysqld: Table './mydb/mytable' is marked as crashed
and last (automatic?) repair failed
I then ran CHECK TABLE on it, and after churning away for well over an hour, I got this:
+--------------+-------+----------+----------------------------------------------------------+
| Table | Op | Msg_type | Msg_text |
+--------------+-------+----------+----------------------------------------------------------+
| mydb.mytable | check | warning | Table is marked as crashed and last repair failed |
| mydb.mytable | check | warning | 5 clients are using or haven't closed the table properly |
| mydb.mytable | check | warning | Size of indexfile is: 215237632 Should be: 4096 |
| mydb.mytable | check | error | Record-count is not ok; is 4212263 Should be: 0 |
| mydb.mytable | check | warning | Found 48 deleted space. Should be 0 |
| mydb.mytable | check | warning | Found 1 deleted blocks Should be: 0 |
| mydb.mytable | check | warning | Found 8362327 key parts. Should be: 0 |
| mydb.mytable | check | error | Corrupt |
+--------------+-------+----------+----------------------------------------------------------+
Does all this indicate that this table is too far gone to be salvageable? Or should REPAIR TABLE still work? Or are there other options to fix this table without replacing the data? I'm asking first because this table is pretty huge for my system and I have a feeling that it's going to take a loooong time to know if repair is going to work.
mysql corruption myisam
mysql corruption myisam
asked Feb 26 '14 at 3:06
curtisdfcurtisdf
1911213
asked Feb 26 '14 at 3:06
curtisdfcurtisdf
1911213
asked Feb 26 '14 at 3:06
curtisdfcurtisdf
1911213
asked Feb 26 '14 at 3:06
curtisdfcurtisdf
1911213
asked Feb 26 '14 at 3:06
curtisdfcurtisdf
1911213
1911213
The output above suggests that MySQL believes the table "Should be" empty. I hope you had backups.
– Michael Hampton♦
Feb 26 '14 at 3:47
Actually,REPAIR TABLEworked nicely, and quicker than I thought.
– curtisdf
Feb 26 '14 at 4:34
add a comment |
The output above suggests that MySQL believes the table "Should be" empty. I hope you had backups.
– Michael Hampton♦
Feb 26 '14 at 3:47
Actually,REPAIR TABLEworked nicely, and quicker than I thought.
– curtisdf
Feb 26 '14 at 4:34
The output above suggests that MySQL believes the table "Should be" empty. I hope you had backups.
– Michael Hampton♦
Feb 26 '14 at 3:47
The output above suggests that MySQL believes the table "Should be" empty. I hope you had backups.
– Michael Hampton♦
Feb 26 '14 at 3:47
Actually,
REPAIR TABLE worked nicely, and quicker than I thought.– curtisdf
Feb 26 '14 at 4:34
Actually,
REPAIR TABLE worked nicely, and quicker than I thought.– curtisdf
Feb 26 '14 at 4:34
add a comment |
1 Answer
1
active
oldest
votes
I proceeded with REPAIR TABLE anyway, figuring that if the table was already too far gone, I had nothing else to lose. Thankfully, it worked! The table is back up and functioning normally.
answered Feb 26 '14 at 4:35
curtisdfcurtisdf
1911213
add a comment |
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I proceeded with REPAIR TABLE anyway, figuring that if the table was already too far gone, I had nothing else to lose. Thankfully, it worked! The table is back up and functioning normally.
answered Feb 26 '14 at 4:35
curtisdfcurtisdf
1911213
add a comment |
I proceeded with REPAIR TABLE anyway, figuring that if the table was already too far gone, I had nothing else to lose. Thankfully, it worked! The table is back up and functioning normally.
answered Feb 26 '14 at 4:35
curtisdfcurtisdf
1911213
add a comment |
I proceeded with REPAIR TABLE anyway, figuring that if the table was already too far gone, I had nothing else to lose. Thankfully, it worked! The table is back up and functioning normally.
answered Feb 26 '14 at 4:35
curtisdfcurtisdf
1911213
I proceeded with REPAIR TABLE anyway, figuring that if the table was already too far gone, I had nothing else to lose. Thankfully, it worked! The table is back up and functioning normally.
answered Feb 26 '14 at 4:35
curtisdfcurtisdf
1911213
answered Feb 26 '14 at 4:35
curtisdfcurtisdf
1911213
answered Feb 26 '14 at 4:35
curtisdfcurtisdf
1911213
answered Feb 26 '14 at 4:35
curtisdfcurtisdf
1911213
1911213
add a comment |
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The output above suggests that MySQL believes the table "Should be" empty. I hope you had backups.
– Michael Hampton♦
Feb 26 '14 at 3:47
Actually,
REPAIR TABLEworked nicely, and quicker than I thought.– curtisdf
Feb 26 '14 at 4:34