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| author | Dimitri John Ledkov <xnox@ubuntu.com> | 2019-01-26 00:37:47 +0000 |
|---|---|---|
| committer | Dimitri John Ledkov <xnox@ubuntu.com> | 2019-01-26 00:37:47 +0000 |
| commit | 2fd02b1f5f50d499b8f19d0cc5e9bc9ed7e686cd (patch) | |
| tree | 7557002a8de5892b17c04d1afcd8fdc99a0af4e7 /Documentation/btrfs-scrub.asciidoc | |
| parent | 03b9f8baf40383f4c2d709c656ca35bd75362dff (diff) | |
New upstream release
Diffstat (limited to 'Documentation/btrfs-scrub.asciidoc')
| -rw-r--r-- | Documentation/btrfs-scrub.asciidoc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/btrfs-scrub.asciidoc b/Documentation/btrfs-scrub.asciidoc index 4c49269e..44022657 100644 --- a/Documentation/btrfs-scrub.asciidoc +++ b/Documentation/btrfs-scrub.asciidoc @@ -16,7 +16,10 @@ and metadata blocks from all devices and verify checksums. Automatically repair corrupted blocks if there's a correct copy available. NOTE: Scrub is not a filesystem checker (fsck) and does not verify nor repair -structural damage in the filesystem. +structural damage in the filesystem. It really only checks checksums of of data +and tree blocks, it doesn't ensure the content of tree blocks is valid and +consistent. There's some validation performed when metadata blocks are read +from disk but it's not extensive and cannot substitute full 'btrfs check' run. The user is supposed to run it manually or via a periodic system service. The recommended period is a month but could be less. The estimated device bandwidth |