You can adjust the defaults to force 1K spacing rather than the default 4K spacing Sam mentions, (assuming you're not striping like crazy) and gain ~1.95 billion inodes against 2TB of space. I've done this successfully a few times.
-cf On 05/20/2011 10:17 AM, Sam Bigger wrote: > I doubt it. The largest lustre systems are a little over 300 million files > that are really in existence. > > However, the limits, in terms of just maximum inodes allowed, using 4K per > inode and a 2TB max MDT size (mirrored 2 copies), only allows for a little > over 500 million files max. > > -Sam > Whamcloud > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Daniel > Mayfield > Sent: Friday, May 20, 2011 9:53 AM > To: [email protected] > Subject: [Lustre-discuss] Huge numbers of inodes > > Does anybody have experience with Lustre filesystems in the 5-10B inode > range? What kind of gotchas do you find at that scale? What are your > stripe settings like? > > daniel > > --------------------------------------------------------------- > This email, along with any attachments, is confidential. If you > believe you received this message in error, please contact the > sender immediately and delete all copies of the message. > Thank you. > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
