April 28, 20224 yr 将一个2tb(实际容量1.8TB左右)的ssd设置为btrfs的cache, 但发现只有1.08TB可用, 有762GB unallocated, Used 773GB btrfs filesystem usage -T /mnt/cache Overall: Device size: 1.82TiB Device allocated: 1.08TiB Device unallocated: 762.00GiB Device missing: 0.00B Used: 773.15GiB Free (estimated): 1.06TiB (min: 1.06TiB) Free (statfs, df): 1.06TiB Data ratio: 1.00 Metadata ratio: 1.00 Global reserve: 512.00MiB (used: 0.00B) Multiple profiles: no Data Metadata System Id Path single single single Unallocated -- --------- --------- --------- --------- ----------- 1 /dev/sdf1 1.07TiB 2.01GiB 4.00MiB 762.00GiB -- --------- --------- --------- --------- ----------- Total 1.07TiB 2.01GiB 4.00MiB 762.00GiB Used 772.21GiB 963.69MiB 176.00KiB 在 cache目录 查看占用, 存储的数据只有1000M左右, df -h 显示我使用了774G, web显示我使用了831G。。。 # cd /mnt/cache # du -h ... 1009M ./appdata 0 ./multimedia 0 ./others 0 ./isos 1.6M ./files/torrent 0 ./files/books 1.6M ./files 1011M . #lsblk ... sdf 8:80 0 1.8T 0 disk └─sdf1 8:81 0 1.8T 0 part /mnt/cache #df -h ... /dev/sdf1 1.9T 774G 1.1T 42% /mnt/cache web页面显示信息 问题:cache中用1G左右,1.8TB的ssd只有1Tb 左右可用,"丢失”的空间如何找回 ?
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