NAME<\/a> cache_check<\/b> – validates cache metadata on a device or file.<\/p>\n cache_check<\/b> [options<\/i>] {device|file}<\/p>\n cache_check<\/b> checks cache metadata created by the device-mapper cache target on a device or file.<\/p>\n This tool cannot be run on live metadata.<\/p>\n -h, –help<\/b><\/p>\n Print help and exit.<\/p>\n -V, –version<\/b><\/p>\n Output version information and exit.<\/p>\n -q, –quiet<\/b><\/p>\n Suppress output messages, return only exit code.<\/p>\n –super-block-only<\/b><\/p>\n Only check the superblock.<\/p>\n –skip-hints<\/b><\/p>\n Skip checking of the policy hint values metadata.<\/p>\n –skip-discards<\/b><\/p>\n Skip checking of the discard bits in the metadata.<\/p>\n –clear-needs-check-flag<\/b><\/p>\n Clears the \u2019needs_check\u2019 flag in the superblock.<\/p>\n The kernel may set a flag to force the pool to be checked before it\u2019s next Analyses and repairs cache metadata on logical volume \/dev\/vg\/metadata:<\/p>\n $ cache_check \/dev\/vg\/metadata<\/p>\n The device may not be actively used by the target when running.<\/p>\n cache_check<\/b> returns an exit code of 0 for success or 1 for error.<\/p>\n
SYNOPSIS<\/a>
DESCRIPTION<\/a>
OPTIONS<\/a>
EXAMPLE<\/a>
DIAGNOSTICS<\/a>
SEE ALSO<\/a>
AUTHOR<\/a> <\/p>\n
\nNAME <\/a> <\/h2>\n
SYNOPSIS <\/a> <\/h2>\n
DESCRIPTION <\/a> <\/h2>\n
OPTIONS <\/a> <\/h2>\n
activated. Set this switch to clear the flag if the check is successful.
If the metadata check failed, the flag is not cleared and a cache_repair run
is needed to fix any issues. After cache_repair succeeded, you may run
cache_check again.<\/p>\nEXAMPLE <\/a> <\/h2>\n
DIAGNOSTICS <\/a> <\/h2>\n
SEE ALSO <\/a> <\/h2>\n