<div dir="ltr">Ok... <div><br></div><div>From previous posts, there still seems to be a kernel but, unaddressed by developers, which affects how ext4 works, and indeed makes its use with gluster unreliable. Specially on older versions of GLuster.</div>
<div><br></div><div>Upgrading to 3.4.2 would be nice, if you can.</div><div><br></div><div>If at all possible, use xfs instead of ext4. This is an official recommendation. </div><div><br></div><div>prepare you filesystem with:</div>
<div><br></div><div>mkfs.xfs -i size=512 /dev/yourdevicehere</div><div><br></div><div>or any variation, BUT, keeping the inode size value at 512.</div><div><br></div><div>Not quite sure what you mean by "my disks have problems"; You might mean the physical disk, the volume on your RAID (if any), your LVM volume, your gluster volume... BUT, before moving to that arena, you might want to do the steps above.</div>
<div><br></div><div>If your system is a test system, upgrade to 3.4.2, and start using XFS. If it is a production system, you will have to find a way to do the transition.</div><div><br></div><div>KR,</div><div><br></div>
<div>Carlos</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Mar 18, 2014 at 10:43 AM, 姜路 <span dir="ltr"><<a href="mailto:jll19851108@163.com" target="_blank">jll19851108@163.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="line-height:1.7;font-size:14px;font-family:arial"><div style="FONT-FAMILY:verdana;FONT-SIZE:10pt">
<div>jianglulu</div>
<div style="TEXT-INDENT:2em">hello everyone,when i write the data in the server
which used 2.6.32-220.el6.x86_64 kernel and gluster3.3.0 ,the server occur
"ext4_mb_complex_scan_group: 27 free blocks as per group info. But bitmap says 0
" error and then kernel panic,so i want to ask some suggests for this:<font style="FONT-SIZE:10pt" color="#333333" face="Arial"> </font></div>
<div style="TEXT-INDENT:2em"><font color="#333333" face="Arial"></font> </div>
<div style="TEXT-INDENT:2em"><font color="#333333" face="Arial"><a href="http://1.is" target="_blank">1.is</a> my disk has
some problemes?</font></div>
<div style="TEXT-INDENT:2em"><font color="#333333" face="Arial"><a href="http://2.is" target="_blank">2.is</a> the ext4
filesystem has some errors?</font></div>
<div style="TEXT-INDENT:2em"><font color="#333333" face="Arial">3.should i <span style="text-indent:0px;font-size:24px;line-height:37px;font-family:arial">Upgrade
system for linux or gluster?</span></font></div>
<div style="TEXT-INDENT:2em"><font color="#333333" face="Arial"><span style="text-indent:0px;font-size:24px;line-height:37px;font-family:arial"></span></font> </div>
<div style="TEXT-INDENT:2em;FONT-FAMILY:Batang"><font color="#333333" face="Arial"><span style="text-indent:0px;font-size:24px;line-height:37px;font-family:arial"></span></font> these are
just some of the errors:</div>
<div style="TEXT-INDENT:2em;FONT-FAMILY:Batang">EXT4-fs error (device sdf1):
ext4_lookup: deleted inode referenced: 13787177 </div>
<div style="TEXT-INDENT:2em;FONT-FAMILY:Batang">
<div>EXT4-fs (sdb1): ext4_check_descriptors: Block bitmap for group 5760 not in
group (block 0)!</div>
<div>EXT4-fs (sdb1): group descriptors corrupted!</div>
<div>EXT4-fs (sdb1): ext4_check_descriptors: Block bitmap for group 5760 not in
group (block 0)!</div>
<div>EXT4-fs (sdb1): group descriptors corrupted!</div></div>
<div style="TEXT-INDENT:2em;FONT-FAMILY:Batang"> </div>
<div style="TEXT-INDENT:2em;FONT-FAMILY:Batang"> </div>
<div style="TEXT-INDENT:40em;FONT-FAMILY:Batang">sorry for my poor
EN~~</div></div></div><br><br><span title="neteasefooter"><span></span></span><br>_______________________________________________<br>
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