[Lustre-discuss] MDT mount options (after upgrade 1.8.7 to 2.4.3)
Mohr Jr, Richard Frank (Rick Mohr)
rmohr at utk.edu
Wed Jun 18 12:51:15 PDT 2014
On Jun 18, 2014, at 3:29 PM, Gretchen Zwart <zwart at astro.umass.edu>
wrote:
> Did you do any renaming of OSTs (e.g. lctl --replace-nids)? Did you make any changes at all related to naming scheme?
No, we didn't make any changes.
> I see the following in the log files:
> MDT using 1.8 OSC name scheme
> For 1.8 interoperability, rename obd type from mds to mdt
I see that in my logs as well, but it doesn't seem to be causing any issues.
> For the client it is complaining about existing device:
> Device lustre-OST0000-osc-ffff88022517bc00 already exists at 3, won't add
Sorry, I have not seen any messages like these on our clients.
> I don't think you mentioned if you set up a second MDT. I'm currently working off a copied MDT and may go back to using drbd/ha MDT. It was quite oversized...
No, I just have the one MDT for now.
--
Rick Mohr
Senior HPC System Administrator
National Institute for Computational Sciences
http://www.nics.tennessee.edu
More information about the lustre-discuss
mailing list