I try to use lvchange -ay to reactive the lv, but it shows error! shell> lvchange -ay /dev/diskvg/lvsnapshot /dev/diskvg/lvsnapshot: read failed after 0 of 4096 at 0: Input/output error Can't change snapshot logical volume "lvsnapshot" shell> lvchange -ay /dev/diskvg/rootlv /dev/diskvg/lvsnapshot: read failed after 0 of 4096 at 0: Input/output error 2006/9/26, bowen zheng <linuzboy@gmail.com>:
Everything seems to work fine. But I found this shell> lvscan /dev/diskvg/lvsnapshot: read failed after 0 of 4096 at 0: Input/output error .................. inactive Original '/dev/diskvg/rootlv' [2.92 GB] inherit inactive Snapshot '/dev/diskvg/lvsnapshot' [100.00 MB] inherit ........ How can I active the rootlv and lvsnapshort. And what does the inactive mean? When I mount the lvsnapshort, and backup it. It always shows many IO errors (both use tar and rsync). How do I backup the lvsnapshort. Thanks....
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