章 6. LVM 疑​​​​​​​難​​​​​​​排​​​​​​​解​​​​​​​

使​​​​​​​用​​​​​​​任​​​​​​​何​​​​​​​指​​​​​​​令​​​​​​​的​​​​​​​ -v、​​​​​​​-vv、​​​​​​​-vvv 或​​​​​​​ -vvvv 引​​​​​​​數​​​​​​​來​​​​​​​取​​​​​​​得​​​​​​​更​​​​​​​加​​​​​​​詳​​​​​​​細​​​​​​​的​​​​​​​輸​​​​​​​出​​​​​​​。​​​​​​​

If the problem is related to the logical volume activation, set 'activation = 1' in the 'log' section of the configuration file and run the command with the -vvvv argument. After you have finished examining this output be sure to reset this parameter to 0, to avoid possible problems with the machine locking during low memory situations.

請​​​​​​​執​​​​​​​行​​​​​​​ lvmdump 指​​​​​​​令​​​​​​​，它​​​​​​​提​​​​​​​供​​​​​​​了​​​​​​​用​​​​​​​來​​​​​​​作​​​​​​​為​​​​​​​診​​​​​​​斷​​​​​​​用​​​​​​​的​​​​​​​資​​​​​​​訊​​​​​​​傾​​​​​​​印​​​​​​​。​​​​​​​如​​​​​​​欲​​​​​​​取​​​​​​​得​​​​​​​更​​​​​​​多​​​​​​​相​​​​​​​關​​​​​​​資​​​​​​​訊​​​​​​​，請​​​​​​​參​​​​​​​閱​​​​​​​ lvmdump(8) man page。​​​​​​​

您​​​​​​​可​​​​​​​執​​​​​​​行​​​​​​​ lvs -v、​​​​​​​pvs -a 或​​​​​​​ dmsetup info -c 指​​​​​​​令​​​​​​​來​​​​​​​取​​​​​​​得​​​​​​​額​​​​​​​外​​​​​​​的​​​​​​​系​​​​​​​統​​​​​​​資​​​​​​​訊​​​​​​​。​​​​​​​

在​​​​​​​ /etc/lvm/backup 檔​​​​​​​案​​​​​​​中​​​​​​​（或​​​​​​​於​​​​​​​ /etc/lvm/archive 檔​​​​​​​案​​​​​​​中​​​​​​​的​​​​​​​壓​​​​​​​縮​​​​​​​版​​​​​​​本​​​​​​​）檢​​​​​​​查​​​​​​​ metadata 的​​​​​​​最​​​​​​​後​​​​​​​一​​​​​​​個​​​​​​​備​​​​​​​份​​​​​​​。​​​​​​​

透​​​​​​​過​​​​​​​執​​​​​​​行​​​​​​​ lvm dumpconfig 指​​​​​​​令​​​​​​​來​​​​​​​檢​​​​​​​查​​​​​​​目​​​​​​​前​​​​​​​的​​​​​​​配​​​​​​​置​​​​​​​資​​​​​​​訊​​​​​​​。​​​​​​​

檢​​​​​​​查​​​​​​​ /etc/lvm 目​​​​​​​錄​​​​​​​中​​​​​​​的​​​​​​​ .cache 檔​​​​​​​案​​​​​​​來​​​​​​​取​​​​​​​得​​​​​​​有​​​​​​​關​​​​​​​於​​​​​​​哪​​​​​​​個​​​​​​​裝​​​​​​​置​​​​​​​上​​​​​​​含​​​​​​​有​​​​​​​實​​​​​​​體​​​​​​​卷​​​​​​​冊​​​​​​​的​​​​​​​相​​​​​​​關​​​​​​​記​​​​​​​錄​​​​​​​。​​​​​​​