进行搬迁检查，发现rootvg被varyoff，请问是何原因造成的？
[oracle@jftp2]/home/oracle>lsvg -o
vg_rac
crsvg
raclog
0516-304 : Unable to find device id 00c4a50400004c00000001208744f9e9 in the Device
Configuration Database.
vgid=00c4a50400004c00000001208744f9e9
[oracle@jftp2]/home/oracle>lspv
hdisk0 00c4a52484a7fae6 rootvg
hdisk1 00c4a50487448638 rootvg
hdisk2 00c4a50489a0913e vg_rac concurrent
hdisk3 00c4a50489a0923c vg_rac concurrent
hdisk4 00c4a50489a09337 vg_rac concurrent
hdisk5 00c4a50489a093d2 vg_rac concurrent
hdisk6 00c4a50489a0946d vg_rac concurrent
hdisk7 00c4a50489a09504 vg_rac concurrent
hdisk8 00c4a50489a09597 vg_rac concurrent
hdisk9 00c4a504898cf829 crsvg concurrent
hdisk10 00c4a524ae29be41 raclog active
[oracle@jftp2]/home/oracle>lspv
hdisk0 00c4a52484a7fae6 rootvg
hdisk1 00c4a50487448638 rootvg
hdisk2 00c4a50489a0913e vg_rac concurrent
hdisk3 00c4a50489a0923c vg_rac concurrent
hdisk4 00c4a50489a09337 vg_rac concurrent
hdisk5 00c4a50489a093d2 vg_rac concurrent
hdisk6 00c4a50489a0946d vg_rac concurrent
hdisk7 00c4a50489a09504 vg_rac concurrent
hdisk8 00c4a50489a09597 vg_rac concurrent
hdisk9 00c4a504898cf829 crsvg concurrent
hdisk10 00c4a524ae29be41 raclog active
[oracle@jftp2]/home/oracle>lspv
hdisk0 00c4a52484a7fae6 rootvg
hdisk1 00c4a50487448638 rootvg
hdisk2 00c4a50489a0913e vg_rac concurrent
hdisk3 00c4a50489a0923c vg_rac concurrent
hdisk4 00c4a50489a09337 vg_rac concurrent
hdisk5 00c4a50489a093d2 vg_rac concurrent
hdisk6 00c4a50489a0946d vg_rac concurrent
hdisk7 00c4a50489a09504 vg_rac concurrent
hdisk8 00c4a50489a09597 vg_rac concurrent
hdisk9 00c4a504898cf829 crsvg concurrent
hdisk10 00c4a524ae29be41 raclog active
[oracle@jftp2]/home/oracle>lsvg -l rootvg
0516-010 : Volume group must be varied on; use varyonvg command.
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