IBM has a procedure for it that may work in some cases, but you’re manually editing the NSD descriptors on disk. Contact IBM if you think an NSD has been lost to descriptor being re-written. Bob Oesterlin Sr Principal Storage Engineer, Nuance From: <gpfsug-discuss-bounces at spectrumscale.org> on behalf of Mark Bush <Mark.Bush at siriuscom.com> Reply-To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org> Date: Wednesday, July 26, 2017 at 1:19 PM To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org> Subject: [EXTERNAL] Re: [gpfsug-discuss] Lost disks What is this manual header reconstruction you speak of? That doesn’t sound trivial at all. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gpfsug.org/pipermail/gpfsug-discuss_gpfsug.org/attachments/20170726/734fe1e5/attachment.html>