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| author | unknown <knielsen@knielsen-hq.org> | 2009-12-01 08:24:05 +0100 |
|---|---|---|
| committer | unknown <knielsen@knielsen-hq.org> | 2009-12-01 08:24:05 +0100 |
| commit | 4b69d0ee5245b26a3bd7bd5dfd3bd066cd38ea4c (patch) | |
| tree | 7df2e0cd76e4b8f382ba3c2441bdae45e410f438 /man/innochecksum.1 | |
| parent | 36f3cbfdc6188d63416b2fbd5a88fe2f8faa2425 (diff) | |
| download | mariadb-git-4b69d0ee5245b26a3bd7bd5dfd3bd066cd38ea4c.tar.gz | |
Imported MySQL documentation files from MySQL 5.1.41 source tarball
Diffstat (limited to 'man/innochecksum.1')
| -rw-r--r-- | man/innochecksum.1 | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/man/innochecksum.1 b/man/innochecksum.1 index 01e54aea325..7a2c311af0e 100644 --- a/man/innochecksum.1 +++ b/man/innochecksum.1 @@ -2,12 +2,12 @@ .\" Title: \fBinnochecksum\fR .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/> -.\" Date: 08/12/2009 +.\" Date: 11/04/2009 .\" Manual: MySQL Database System .\" Source: MySQL 5.1 .\" Language: English .\" -.TH "\FBINNOCHECKSUM\FR" "1" "08/12/2009" "MySQL 5\&.1" "MySQL Database System" +.TH "\FBINNOCHECKSUM\FR" "1" "11/04/2009" "MySQL 5\&.1" "MySQL Database System" .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- @@ -29,7 +29,20 @@ innochecksum \- offline InnoDB file checksum utility \fBinnochecksum\fR prints checksums for InnoDB -files\&. +files\&. This tool reads an +InnoDB +tablespace file, calculates the checksum for each page, compares the calculated checksum to the stored checksum, and reports mismatches, which indicate damaged pages\&. It was originally developed to speed up verifying the integrity of tablespace files after power outages but can also be used after file copies\&. Because checksum mismatches will cause +InnoDB +to deliberately shut down a running server, it can be preferable to use this tool rather than waiting for a server in production usage to encounter the damaged pages\&. +.PP +\fBinnochecksum\fR +cannot be used on tablespace files that the server already has open\&. For such files, you should use +CHECK TABLE +to check tables within the tablespace\&. +.PP +If checksum mismatches are found, you would normally restore the tablespace from backup or start the server and attempt to use +\fBmysqldump\fR +to make a backup of the tables within the tablespace\&. .PP Invoke \fBinnochecksum\fR |