[CentOS] EXT4 Filesystem Mount Failed (bad geometry: block count)

Balaji balajisundar at midascomm.com
Wed Mar 23 10:05:19 UTC 2011


Dear All,

Currently using RHEL6 Linux and Kernel Version is 2.6.32-71.el6.i686 and DRBD Version is 8.3.10

DRBD is build from source and Configured DRBD with 2 Node testing with Simplex Setup
Server 1 : 192.168.13.131 IP Address and hostname is primary
Server 2 : 192.168.13.132 IP Address and hostname is secondary

Finally found that drbd0, drbd1 mount failed problem

*Found some error messages in "dmesg"*

block drbd0: role( Secondary ->  Primary )
block drbd1: role( Secondary ->  Primary )
EXT4-fs (drbd0): bad geometry: block count 5242880 exceeds size of device (5242711 blocks)
EXT4-fs (drbd1): bad geometry: block count 2621440 exceeds size of device (2621351 blocks)

The drbd is working fine and is output as below

[root at primary ~]# cat /proc/drbd
version: 8.3.10 (api:88/proto:86-96)
GIT-hash: 5c0b0469666682443d4785d90a2c603378f9017b build byroot at primary.mydomain.com, 2011-03-22 11:27:11
  0: cs:WFConnection ro:Primary/Unknown ds:UpToDate/DUnknown C r----s
     ns:0 nr:0 dw:0 dr:677 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:20970844
  1: cs:WFConnection ro:Primary/Unknown ds:UpToDate/DUnknown C r----s
     ns:0 nr:0 dw:0 dr:1009 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:10485404
[root at primary ~]#

I have search and findout the same problem and its solved (links as below)
http://lists.linbit.com/pipermail/drbd-user/2009-October/012812.html

But in my case the problem is not solved (changed the meta-disk internal as flexible-meta-disk internal and tested)

The same as working in ext3 filesystem and its not working in ext4 filesystem.

Please find attached primary.zip file contains message log files and drbd configuration file for more analysis.

I don't know what is the problem and Can some one throw light on this peculiar problem

Please replay me ASAP.

Thanks in Advance

--Regards,
S.Balaji


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