Hi Arnab, Are you running "lfs changelog" on the MDS or on the client? It needs to be run on the client.
-Olaf ________________________________________ From: lustre-discuss <lustre-discuss-boun...@lists.lustre.org> on behalf of Arnab Kumar Paul <akp...@vt.edu> Sent: Thursday, October 10, 2019 10:42 AM To: lustre-discuss@lists.lustre.org Subject: [lustre-discuss] Not able to start changelog in MDS Hello, I have a Lustre system with version 2.10.3 with 1 MDS and 8 OSS On the client system: lfs df -h gives this output: UUID bytes Used Available Use% Mounted on scratch0-MDT0000_UUID 27.8G 61.0M 25.2G 0% /mnt/lustre[MDT:0] scratch0-OST0001_UUID 9.2G 37.2M 8.7G 0% /mnt/lustre[OST:1] scratch0-OST0002_UUID 9.2G 37.2M 8.7G 0% /mnt/lustre[OST:2] . . . On MDS: $ lctl set_param mdt.scratch0-MDT0000.hsm_control=enabled mdt.scratch0-MDT0000.hsm_control=enabled $ lctl --device scratch0-MDT0000 changelog_register scratch0-MDT0000: Registered changelog userid 'cl1' $ lctl get_param mdd.scratch0-MDT0000.changelog_users mdd.scratch0-MDT0000.changelog_size mdd.scratch0-MDT0000.changelog_users= current index: 1 ID index (idle seconds) cl1 0 (56886) mdd.scratch0-MDT0000.changelog_size=33112 $ lfs changelog scratch0-MDT0000 Can't start changelog: No such file or directory Why does this happen? Any suggestions how to start changelog? - Arnab Paul _______________________________________________ lustre-discuss mailing list lustre-discuss@lists.lustre.org http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
