VirtualBox

Changes between Initial Version and Version 1 of Ticket #8311, comment 12


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Timestamp:
Oct 23, 2018 10:08:05 PM (5 years ago)
Author:
ckujau

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  • Ticket #8311, comment 12

    initial v1  
    3232}}}
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    34 The `rsync` process running in the guest (copying data from one vdisk to another) doesn't seem to notice though and is still running, I wonder about data integrity though.
     34The `rsync` process running in the guest (copying data from one vdisk to another) doesn't seem to notice though and is still running, ~~I wonder about data integrity though~~. OK, so the `rsync` process in the guest ended w/o errors (RC 0) and copied ~70 GB from one disk to another. But seeing these device errors in the guest I'm running now a [https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs-scrub btrfs scrub] on the disk and here the errors are indeed visible:
     35
     36{{{
     37$ btrfs scrub status /mnt
     38scrub status for 044722df-de28-4604-a48d-92779769f47c
     39        scrub started at Tue Oct 23 14:37:33 2018, running for 00:25:32
     40        total bytes scrubbed: 45.30GiB with 192 errors
     41        error details: csum=192
     42        corrected errors: 0, uncorrectable errors: 192, unverified errors: 0
     43}}}
     44
     45And while scrubbing, the guest's syslog tell me which inodes (and files) have these checksum errors - all Git `.pack` files. That's exactly the reason why I copied these files from an `xfs` to a `btrfs` disk within this guest because `git` failed to read its objects before and now I know why :-\

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