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<p class="MsoNormal"><span lang="EN-US">My OS is redhat7.1, the version of </span>
<span lang="EN-US" style="font-size:9.5pt; font-family:"Arial","sans-serif"; color:black; background:white">Linux kernel is
</span><span style="font-size:9.5pt; font-family:SimSun; color:black; background:white">“</span><span lang="EN-US" style="font-size:10.0pt; font-family:"Segoe UI","sans-serif"; color:black">Linux version 3.10.0-229.el7.x86_64</span><span style="font-size:10.0pt; font-family:SimSun; color:black">”</span><span lang="EN-US" style="font-size:9.5pt; font-family:"Arial","sans-serif"; color:black; background:white"></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:10.0pt; font-family:"Segoe UI","sans-serif"; color:black"> </span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:10.0pt; font-family:"Segoe UI","sans-serif"; color:black"> </span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:10.0pt; font-family:"Segoe UI","sans-serif"; color:black">Sometime xfs give a message like this</span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:10.0pt; font-family:"Segoe UI","sans-serif"; color:black"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:51:05 localhost kernel: XFS (dm-4): metadata I/O error: block 0x7d9a010 ("xfs_trans_read_buf_map") error 117 numblks 16</span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:51:05 localhost kernel: XFS (dm-4): xfs_imap_to_bp: xfs_trans_read_buf() returned error 117.
</span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt; font-family:SimSun"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:31:08 localhost kernel: XFS (dm-4): Metadata corruption detected at xfs_inode_buf_verify+0x75/0xd0 [xfs], block 0x7d9a010</span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:31:08 localhost kernel: XFS (dm-4): Unmount and run xfs_repair</span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:31:08 localhost kernel: XFS (dm-4): First 64 bytes of corrupted metadata buffer:</span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:31:08 localhost kernel: ffff88089144a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................</span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:31:08 localhost kernel: ffff88089144a010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................</span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:31:08 localhost kernel: ffff88089144a020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................</span></p>
<p class="MsoNormal"><span lang="EN-US">Aug 11 15:31:08 localhost kernel: ffff88089144a030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................</span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt; font-family:SimSun"> </span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt; font-family:SimSun"> </span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt; font-family:SimSun">So is this a bug of xfs? or is the device’s error(the device actually did not save the data, but give xfs success message)?</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
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