[lustre-discuss] Using lctl lfsck syntax issues
Andreas Dilger
adilger at whamcloud.com
Thu Aug 9 20:02:36 PDT 2018
The lctl commands need to be run on the MDS.
Cheers, Andreas
> On Aug 9, 2018, at 11:49, Ms. Megan Larko <dobsonunit at gmail.com> wrote:
>
> Howdy List!
>
> I am checking Lustre-2.10.4 (kernel 3.10.0-693 on CentOS 7.3.1611).
> I am having trouble using lctl lfsck. I believe I am not using the proper syntax. The manual page, "man 8 lctl-lfsck-start" (or query in place of start) is not providing me the info I seek (or rather I just am not 'getting' it).
>
> All of my queries (shown below) have the same response.
> > lctl lfsck_query -t namespace --device meg1-MDT0000
> Fail to query LFSCK: Invalid argument
> > lctl lfsck_query --device meg1-MDT0000
> Fail to query LFSCK: Invalid argument
> > lctl lfsck_query -M meg1-MDT0000
> Fail....
> > lctl lfsck_query -M 4 # lctl dl shows MDT as device num. 4
> Fail ....
>
> I am running this on the Lustre client. The lctl command is from:
> > rpm -qf /usr/sbin/lctl
> lustre-2.10.4-1.el7.centos.x86_64
>
> I would like to test the lsfck_query|start|stop function.
>
> P.S. Can an actual--non-dryrun--lfsck be run on a mounted active Lustre File System?
>
> Cheers,
> megan
>
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