On Mon, 2008-09-29 at 01:42 +0200, Nico Budewitz wrote: > It's not clear to me which informations/configurations are stored by > the MGS.
All of the configuration information related to all filesystems that use that MGS. > I have two MDT's created on the MDS with the command > > 1. with MGS > mkfs.lustre --mdt --mgs --fsname=aeifs1... /dev/drbd0 > MGS and MDT are sharing one partition So this is a co-located MDT and MGS. > 2. without MGS > mkfs.lustre --mdt --fsname=aeifs2... /dev/drbd1 > MDT on a separate partition You must have used an --mgsnode= to point this MDT to the MGS you created above, yes? > What could happen if I reformat > mkfs.lustre --mdt --mgs --fsname=aeifs1... /dev/drbd0? You will lose the configuration for both filesystems! This is _exactly_ the reason that we recommend a separate MGS for installations that have even a notion of wanting more than one filesystem. > Is there any influence to the second MDT by reformat the first MDT > with --mgs option? Indeed, as above. b.
signature.asc
Description: This is a digitally signed message part
_______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
