主机由于电源损坏系统不能启动，更换电源后hdisk1状态时missing，这个能恢复数据吗？现在oraclevg中的文件系统不能挂在，没有做mirror。
# lsvg -p oraclevg
0516-304 lsvg: Unable to find device id 0001a3cf9fbf18b2 in the Device
Configuration Database.
oraclevg:
PV ID PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
0001a3cf9fbf18b2 missing 542 59 00..00..00..00..59
hdisk2 active 542 58 00..00..00..00..58
hdisk3 active 542 59 00..00..00..00..59
hdisk4 active 2187 1873 438..202..358..437..438
# exit
# lscfg -vl hdisk1
DEVICE LOCATION DESCRIPTION
hdisk1 11-09-00-8,0 16 Bit LVD SCSI Disk Drive (18200
MB)
Manufacturer................IBM
Machine Type and Model......ST318305LC
FRU Number..................
ROS Level and ID............43353042
Serial Number...............000717EB
EC Level....................
Part Number.................
Device Specific.(Z0)........000003129F00013E
Device Specific.(Z1)........0501C50B
Device Specific.(Z2)........1000
Device Specific.(Z3)........02121
Device Specific.(Z4)........0001
Device Specific.(Z5)........22
Device Specific.(Z6)........162870 C
磁盘型号：
# lscfg -vl hdisk2
DEVICE LOCATION DESCRIPTION
hdisk2 11-09-00-9,0 16 Bit LVD SCSI Disk Drive (18200
MB)
Manufacturer................IBM
Machine Type and Model......ST318305LC
FRU Number..................09P4435
ROS Level and ID............43353042
Serial Number...............0002379D
EC Level....................H11936
Part Number.................09P4434
Device Specific.(Z0)........000003129F00013E
Device Specific.(Z1)........0501C50B
Device Specific.(Z2)........1000
Device Specific.(Z3)........02121
Device Specific.(Z4)........0001
Device Specific.(Z5)........22
Device Specific.(Z6)........162870 C
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