era_check(8)

1ERA_CHECK(8)                System Manager's Manual               ERA_CHECK(8)
2
3
4

NAME

6       era_check - validate era metadata on device or file
7
8

SYNOPSIS

10       era_check [options] {device|file}
11
12

DESCRIPTION

14       era_check  checks  era metadata created by the device-mapper era target
15       on a device or file.
16
17       This tool cannot be run on live metadata.
18
19

OPTIONS

21       -q, --quiet
22              Suppress output messages, return only exit code.
23
24
25       -h, --help
26              Print help and exit.
27
28
29       -V, --version
30              Output version information and exit.
31
32
33       --super-block-only
34              Only check the superblock is present.
35
36              era_check will return a non-zero exit code if it finds  a  fatal
37              error.  If any errors are discovered use era_repair to correct.
38
39

EXAMPLE

41       Analyse thin provisioning metadata on logical volume /dev/vg/metadata:
42
43       era_check /dev/vg/metadata
44
45       The device may not be actively used by the target when running.
46
47

DIAGNOSTICS

49       era_check returns an exit code of 0 for success or 1 for error.
50
51

AUTHOR

57       Joe Thornber <ejt@redhat.com>
58
59
60
61Red Hat, Inc.               Thin Provisioning Tools               ERA_CHECK(8)