我在 ubuntu 14 服务器中配置了多路径,但奇怪的是,每个设备可用的路径数量不同,5TB 磁盘有 4 条路径,4TB 有 3 条路径。我已重新加载多路径服务并运行 rescan-scsi-bus,但输出相同,但尚未重新启动服务器
# multipath -ll
3611112ac0000000000000002018 dm-9 zdata,VV
size=5.0T features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=130 status=active
|- 4:0:3:52 sdaa 65:160 active ready running
|- 4:0:4:52 sdad 65:208 active ready running
|- 6:0:3:52 sdag 66:0 active ready running
`- 6:0:4:52 sdaj 66:48 active ready running
378192dab0000000000000002018 dm-6 zdata,VV
size=4.0T features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=130 status=active
|- 4:0:4:50 sdh 8:112 active ready running
|- 6:0:3:50 sdn 8:208 active ready running
`- 6:0:4:50 sdt 65:48 active ready running
# ls -l /dev/mapper/
total 0
lrwxrwxrwx 1 root root 7 maj 6 11:37 378192dab0000000000000002018 -> ../dm-1
brw-rw---- 1 root disk 252,2 maj 9 14:07 3611112ac0000000000000002018
brw-rw---- 1 root disk 252, 3 maj 9 14:07
crw------- 1 root root 10, 236 maj 6 11:35 control
lrwxrwxrwx 1 root root 7 maj 9 14:07 serv1--vg-data -> ../dm-0
lrwxrwxrwx 1 root root 7 jun 13 14:19 serv1--vg-backup1 -> ../dm-8
lrwxrwxrwx 1 root root 8 jun 13 14:32 serv1--vg-web -> ../dm-12
知道现在该看哪儿吗?