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用裸设备做数据库设备,用S2 片区还是用默认的usr 片区好.当单个LUN大于2T时,S2大小为0了,还可以用S2吗
小于2T的情况
Total disk cylinders available: 55708 + 2 (reserved cylinders)
- Part Tag Flag Cylinders Size Blocks
- 0 root wm 0 - 15 128.00MB (16/0/0) 262144
- 1 swap wu 16 - 31 128.00MB (16/0/0) 262144
- 2 backup wu 0 - 55707 435.22GB (55708/0/0) 912719872
- 3 unassigned wm 0 0 (0/0/0) 0
- 4 unassigned wm 0 0 (0/0/0) 0
- 5 unassigned wm 0 0 (0/0/0) 0
- 6 usr wm 32 - 55707 434.97GB (55676/0/0) 912195584
- 7 unassigned wm 0 0 (0/0/0) 0
复制代码 大与2T 的情况
- partition> p
- Current partition table (original):
- Total disk sectors available: 8589939678 + 16384 (reserved sectors)
- Part Tag Flag First Sector Size Last Sector
- 0 usr wm 34 4.00TB 8589939678
- 1 unassigned wm 0 0 0
- 2 unassigned wm 0 0 0
- 3 unassigned wm 0 0 0
- 4 unassigned wm 0 0 0
- 5 unassigned wm 0 0 0
- 6 unassigned wm 0 0 0
- 8 reserved wm 8589939679 8.00MB 8589956062
- partition>
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