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btrfs-progs: Add btrfs wiki reference to man pages.
Add btrfs wiki page reference to btrfs-check/btrfsck, btrfs-restore and btrfs-device as supplement. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.cz>
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@ -13,6 +13,11 @@ DESCRIPTION
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-----------
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'btrfs check' is used to check or repair a btrfs filesystem offline.
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NOTE: Since btrfs is under heavy development especially the 'btrfs check'
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command, it is *highly* recommended to read the following btrfs wiki before
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executing 'btrfs check' with '--repair' option: +
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https://btrfs.wiki.kernel.org/index.php/Btrfsck
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OPTIONS
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-------
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-s|--support <superblock>::
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@ -24,16 +24,22 @@ online.
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Profile::
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Btrfs filesystem uses data/metadata profiles to manage allocation/duplication
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mechanism. Profiles like RAID level can be assigned to data and metadata separately.
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mechanism. +
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Profiles like RAID level can be assigned to data and metadata separately.
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+
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See `mkfs.btrfs`(8) for more details.
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RAID level::
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Btrfs filesystem supports most of the standard RAID level: 0/1/5/6/10.
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Btrfs filesystem supports most of the standard RAID level: 0/1/5/6/10. +
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RAID levels can be assigned at mkfs time or online.
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+
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See `mkfs.btrfs`(8) for mkfs time RAID level assign and `btrfs-balance`(8) for
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online RAID level assign.
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+
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NOTE: Since btrfs is under heavy development especially the RAID5/6 support,
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it is *highly* recommended to read the follow btrfs wiki page to get more
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updated details on RAID5/6: +
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https://btrfs.wiki.kernel.org/index.php/RAID56
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Balance::
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`btrfs-balance`(8) subcommand can be used to balance or rebuild chunks to the
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@ -17,6 +17,10 @@ restore them into <path> or just list the tree roots.
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Since current `btrfsck`(8) or `btrfs-rescue`(8) only has very limited usage,
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'btrfs restore' is normally a better choice.
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NOTE: It is recommended to read the following btrfs wiki page if your data is
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not salvaged with default option: +
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https://btrfs.wiki.kernel.org/index.php/Restore
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OPTIONS
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-------
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-s::
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