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In the following example, the corrupted device is dm-2. ![]() In the following example, the partition where a filesystem error occurs is sda1: EXT4-fs (sda1): INFO: recovery required on readonly filesystem XFS (sdc1): Metadata CRC error detected at xfs_agi_read_verify+0xde/0x100, xfs_agi block 0x10 In the following example, the corrupted device is sdc1: XFS (sdc1): Mounting V5 Filesystem In these examples, note the text in parenthesis, which reports the corrupted device. LINUX VIEW PARTITION TABLE OF VMDK SERIALTo determine which disk is corrupted, download the serial log for your VM by using the Serial Console or Boot diagnostics, examine the log entries during boot up, and then look for the specific error calling out which disk or mount is failing. Fixing the disk corruption will change the data on the disk, which will carry risk. Before you make changes to a disk, take a snapshot to preserve the current state of the disk, even if it's in an error state.It's important to back up critical data because data loss may occur on the recovered disk.Use command-line tools to repair the problematic filesystem on the disk. LINUX VIEW PARTITION TABLE OF VMDK OFFLINE
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