Waring: /dev/centos/swap does not exist
1、系統環境：
CentOS Linux release 7.6.1810 (Core)
2、故障現象：
啟動系統報錯：
3、原因：
刪除預設SWAP分割槽
4、臨時解決方法：
1、reboot 重啟 進入引導介面，按“e”進行編輯
找到“rd.lvm.lv=centos/swap”,並將其刪除,完成後按“Ctrl + x”重啟作業系統。
此時可以正常啟動進入系統，下次重啟依然會如此。
5、永久解決方法：
#檢視當前swap路徑
進入作業系統編輯 vi /boot/grub2/grub.cfg
將rd.lvm.lv=centos/swap
修改為正常的swap分割槽
如rd.lvm.lv=oracle/lvg_swap
這個修改應該會有兩處，兩處都要修改並儲存。
6、重啟作業系統驗證
shutdown -r now
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/30327022/viewspace-2641409/，如需轉載，請註明出處，否則將追究法律責任。
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