差異處

這裏顯示兩個版本的差異處。

--- btrfs [2016/08/25 01:03]
jz 建立
+++ btrfs [2023/06/11 01:10] (目前版本)
jz
@@ 行 1: / 行 1: @@
-回復快照
+====== Btrfs ======
-<code>
+===== Snapshot =====
+<code bash>
 btrfs send /mnt/btr_backup/data.20150101 | btrfs receive /mnt/btr_pool/
 btrfs subvolume snapshot /mnt/btr_pool/data.20150101 /mnt/btr_pool/data
@@ 行 6: / 行 9: @@
 </code>
-scrub
+===== Scrub =====
-<code>
+<code bash>
 btrfs scrub start /
 </code>
+Find files with csum error
+<code bash>
+find /mount-point -type f -exec cp {} /dev/null \;
+</code>
+===== Create Raid1 =====
+<code>
+btrfs fi show
+btrfs device add /dev/xxx /
+btrfs balance start -dconvert=raid1 -mconvert=raid1 /
+</code>
+===== Replace =====
+Replace
+<code>
+echo 1 | sudo tee /sys/block/sdb/device/delete
+btrfs filesystem show /mountpoint
+btrfs replace start -B <devid> /dev/new-disk /mountpoint
+btrfs replace status /mountpoint
+iostat -d 1 -m <target-dev>
+</code>
+Balance
+<code>
+btrfs fi usage -T /mountpoint
+btrfs device usage /mountpoint
+btrfs filesystem balance
+</code>
+Replace and Disable reading from failed disk
+<code>
+btrfs replace start -r 5 /dev/nvme0n5 /mnt/raid10/
+</code>
+http://www.moocowproductions.org/2014/12/04/fully-online-raid1-to-raid10-migration-using-btrfs/
+https://wiki.tnonline.net/w/Btrfs/Replacing_a_disk