我想知道激活 zfs 重复数据删除是否会为我支付费用,所以我运行了该命令
zdb -S tank
,但我知道我需要一些帮助来解释输出。
Simulated DDT histogram:
bucket allocated referenced
______ ______________________________ ______________________________
refcnt blocks LSIZE PSIZE DSIZE blocks LSIZE PSIZE DSIZE
------ ------ ----- ----- ----- ------ ----- ----- -----
1 49.2M 6.15T 6.15T 6.14T 49.2M 6.15T 6.15T 6.14T
2 352K 42.0G 42.0G 42.0G 725K 86.3G 86.3G 86.4G
4 7.99K 913M 913M 916M 37.7K 4.20G 4.20G 4.21G
8 1.43K 161M 161M 161M 14.6K 1.58G 1.58G 1.58G
16 623 67.1M 67.1M 67.4M 12.2K 1.32G 1.32G 1.33G
32 73 7.37M 7.37M 7.43M 2.65K 268M 268M 270M
64 717 4.23M 4.23M 7.46M 48.3K 392M 392M 611M
128 4 257K 257K 266K 689 40.9M 40.9M 42.6M
256 2 128K 128K 133K 802 57.8M 57.8M 59.3M
512 2 1K 1K 10.7K 1.37K 703K 703K 7.32M
4K 1 128K 128K 128K 7.31K 935M 935M 934M
16K 1 512B 512B 5.33K 20.0K 10.0M 10.0M 107M
64K 1 128K 128K 128K 93.0K 11.6G 11.6G 11.6G
512K 1 128K 128K 128K 712K 89.0G 89.0G 88.9G
Total 49.6M 6.19T 6.19T 6.18T 50.9M 6.34T 6.34T 6.33T
dedup = 1.02, compress = 1.00, copies = 1.00, dedup * compress / copies = 1.03
提前致谢。