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tgharold
Asked: 2014-12-14 10:36:57 +0800 CST

/usr/sbin/thin_check: execvp failed: No such file or directory

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Running CentOS 6.5, a brand new "minimal" server install, trying to use LVM2 thin pool feature. Packages installed are:

lvm2 (2.02.111) device-mapper-persistent-data-0.3.2-1.el6.x86_64

/etc/lvm/lvm.conf has

...
thin_check_executable = "/usr/sbin/thin_check"
thin_repair_executable = "/usr/sbin/thin_repair"
...

(And yes those files exist in the file system.)

Error message in /var/log/boot.log is:

Setting up Logical Volume Management:   /usr/sbin/thin_check: execvp failed: No such file or directory
Check of pool vg/pool failed (status:2). Manual repair required!
/usr/sbin/thin_check: execvp failed: No such file or directory
/usr/sbin/thin_check: execvp failed: No such file or directory

I'm at a loss of what to do with this.

centos6

1 Answers

  1. I'm using centos 7 and i don't have this problem, the function execvp is an external functions resolved by the library libdevmapper-event-lvm2thin.so:

    /usr/lib64/device-mapper/libdevmapper-event-lvm2thin.so
[root@localhost ~]# objdump -T /usr/lib64/device-mapper/libdevmapper-event-lvm2thin.so  | grep exec
0000000000000000      DF *UND*  0000000000000000  GLIBC_2.2.5 execvp
[root@localhost ~]# grep thin /etc/lvm/lvm.conf | grep -v "#"
    thin_pool_metadata_require_separate_pvs = 0
    thin_pool_autoextend_threshold = 100
    thin_pool_autoextend_percent = 20
    thin_library = "libdevmapper-event-lvm2thin.so"


[root@localhost ~]# locate libdevmapper-event-lvm2thin.so
/usr/lib64/libdevmapper-event-lvm2thin.so
/usr/lib64/device-mapper/libdevmapper-event-lvm2thin.so

rpm -qf /usr/lib64/device-mapper/libdevmapper-event-lvm2thin.so
lvm2-libs-2.02.105-14.el7.x86_64

    I think you need to say to lvm what library to use

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