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修复混合的SDD卷组\r\n \r\n \r\n \r\n# lsvpcfg\r\n\r\nvpath0 (Avail pv datavg) 61316452 = hdisk2 (Avail )\r\n\r\nvpath1 (Avail pv datavg) 71216452 = hdisk3 (Avail )\r\n\r\nvpath2 (Avail pv datavg) 71316452 = hdisk4 (Avail )\r\n\r\n \r\n\r\n# lsvg -p datavg\r\n\r\ndatavg:\r\n\r\nPV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION\r\n\r\nvpath0 active 745 743 149..147..149..149..149\r\n\r\nvpath1 active 458 458 92..92..91..91..92\r\n\r\nvpath2 active 458 458 92..92..91..91..92\r\n\r\n \r\n\r\ndatavg 是个只有vpath的SDD VG,如果此时运行chdev 修改hdisk3的属性,系统将赋予hdisk3一个和vpath1一样的pvid。这样在ODM中,vpath1和hdisk3有一样的pvid。\r\n\r\n \r\n\r\n# chdev -l hdisk3 -a pv=yes\r\n\r\nhdisk3 changed\r\n\r\n \r\n\r\n# lsvpcfg\r\n\r\nvpath0 (Avail pv datavg) 61316452 = hdisk2 (Avail )\r\n\r\nvpath1 (Avail pv datavg) 71216452 = hdisk3 (Avail pv datavg)\r\n\r\nvpath2 (Avail pv datavg) 71316452 = hdisk4 (Avail )\r\n\r\n \r\n\r\n# lsvg -p datavg\r\n\r\ndatavg:\r\n\r\nPV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION\r\n\r\nvpath0 active 745 745 149..149..149..149..149\r\n\r\nhdisk3 active 458 458 92..92..91..91..92\r\n\r\nvpath2 active 458 458 92..92..91..91..92\r\n\r\n \r\n\r\n其中vpath1被hdisk3代替,这是因为当datavg被激活时,LVM用hdisk3代替vpath1。现在datavg就是在vpath和hdisk并存的混合模式下工作,将丧失SDD VG的所有功能。可以用dpovgfix来修复。\r\n\r\n \r\n\r\n# dpovgfix datavg\r\n\r\ndatavg\r\n\r\ndatavg contains following devices and pvids\r\n\r\n 00cd4e8fa39cf4940000000000000000 vpath0\r\n\r\n00cd4e8fadddc4980000000000000000 hdisk3\r\n\r\n00cd4e8faddddfe30000000000000000 vpath2\r\n\r\ndatavg\r\n\r\n0518-307 odmdelete: 0 objects deleted.\r\n\r\nCreate vpath1 pvid of 00cd4e8fadddc4980000000000000000 in ODM database.\r\n\r\nlname=vpath1, pvid=00cd4e8fadddc4980000000000000000\r\n\r\n0518-307 odmdelete: 0 objects deleted.\r\n\r\nvaryon datavg was successful.\r\n\r\nVolume Group datavg is cleaned up to dpo devices successfully.\r\n\r\n \r\n\r\n# lsvg -p datavg\r\n\r\ndatavg:\r\n\r\nPV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION\r\n\r\nvpath0 active 745 743 149..147..149..149..149\r\n\r\nvpath1 active 458 458 92..92..91..91..92\r\n\r\nvpath2 active 458 458 92..92..91..91..92 |
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