if you still have a running system you can extract the information and recreate the descriptors. if your sytem is already down, this is not possible any more.
which is why i suggested to open a PMR as the Support team will be able to provide the right guidance and help . Sven On Wed, Oct 29, 2014 at 10:19 AM, Jonathan Buzzard <[email protected]> wrote: > On Wed, 2014-10-29 at 09:42 -0700, Sven Oehme wrote: > > Hello, > > > > > > there are multiple reasons why the descriptors can not be found . > > > > > > there was a recent change in firmware behaviors on multiple servers > > that restore the GPT table from a disk if the disk was used as a OS > > disk before used as GPFS disks. some infos > > here : > https://www.ibm.com/developerworks/community/forums/html/topic?id=27f98aab-aa41-41f4-b6b7-c87d3ce87b9e > > > > > > if thats the case there is a procedure to restore them. > > I have been categorically told by IBM in no uncertain terms if the NSD > descriptors have *ALL* been wiped then it is game over for that file > system; restore from backup is your only option. > > If the GPT table has been "restored" and overwritten the NSD descriptors > then you are hosed. > > JAB. > > -- > Jonathan A. Buzzard Email: jonathan (at) buzzard.me.uk > Fife, United Kingdom. > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at gpfsug.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss >
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