Klaus Steden wrote: > Is it possible to update the MGS information on the fly after the file > system has been created? > > I've recently added another network to my Lustre configuration, and I can't > mount it from this new network (which didn't exist when the file system was > created). > > No. You need to modify modprobe.conf networks, so that the nodes see all their new nids, and then run tunefs.lustre --writeconf on the MDTs > thanks, > Klaus > > On 11/21/07 11:55 AM, "Nathan Rutman" <[EMAIL PROTECTED]>did etch on > stone tablets: > > >> Jakob Goldbach wrote: >> >>>>> 1. If we are going to have several Lustre file systems, is there any >>>>> reason not to create each one with its own combined MGS/MDT? >>>>> >>>>> >>>> Not that I'm aware of, with the restriction that you can only have a >>>> single MGS running on a node at a time. If you have failover MDSes, >>>> then they need to share an MGS. >>>> >>>> >>>> >>> May a client mount different lustre-filsystems from different MGS's ? >>> >>> The manual (sec 2.1.1) says "There should be one MGS per site, not one MGS >>> per file system." >>> >>> I thought this meant a single MGS if a client want's to mount several >>> lustre-filesystems. >>> >>> >> It's not a requirement. The idea behind a single MGS per site is that >> way, you can mount >> multiple different Lustre FS's without having to keep track of which >> servers they are on >> -- all you need to remember is the one mgsnid in "mount -t lustre >> mgsnid:/any_fs" >> The idea is one centralized place for config data / starting clients / >> monitoring (eventually). >> >> There will be one MGC on the client for each different MGS, so there's >> slightly more resource >> usage if you do multiple MGS's, but no big deal. >> >> _______________________________________________ >> Lustre-discuss mailing list >> [email protected] >> https://mail.clusterfs.com/mailman/listinfo/lustre-discuss >> > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > https://mail.clusterfs.com/mailman/listinfo/lustre-discuss >
_______________________________________________ Lustre-discuss mailing list [email protected] https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
