From 93a297a7b034f6f4bb97f4d528641ff1d1f55c8b Mon Sep 17 00:00:00 2001 From: Joseph Gmitter Date: Wed, 5 Oct 2016 14:06:40 -0400 Subject: [PATCH] LUDOC-355 dne: Correction to DNE config for remote sub-dirs The patch will update the dne configuration instructions pertaining to remote subdirecty creation. Signed-off-by: Joseph Gmitter Change-Id: I36458151da69a57c605926885d380a5e6e1c7284 Reviewed-on: http://review.whamcloud.com/22965 Tested-by: Jenkins Reviewed-by: Andreas Dilger --- LustreOperations.xml | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/LustreOperations.xml b/LustreOperations.xml index 8615fb9..55cf7bf 100644 --- a/LustreOperations.xml +++ b/LustreOperations.xml @@ -387,8 +387,13 @@ client# lfs mkdir –i will leave the namespace below it inaccessible. For this reason, by default it is only possible to create remote sub-directories off MDT0. To relax this restriction and enable remote sub-directories off any MDT, an - administrator must issue the command - lctl set_param mdt.*.enable_remote_dir=1. + administrator must issue the following command on the MGS: + mgs# lctl conf_param fsname.mdt.enable_remote_dir=1 + For Lustre filesystem 'scratch', the command executed is: + mgs# lctl conf_param scratch.mdt.enable_remote_dir=1 + To verify the configuration setting execute the following command on any + MDS: + mds# lctl get_param mdt.*.enable_remote_dir With Lustre software version 2.8, a new tunable is available to allow users with a specific group ID to create @@ -397,9 +402,13 @@ client# lfs mkdir –i parameter to the 'wheel' or 'admin' group ID allows users with that GID to create and delete remote and striped directories. Setting this parameter to -1 on MDT0 to permanently allow any - non-root users create and delete remote and striped directories. For - example: - lctl set_param -P mdt.*.enable_remote_dir_gid=-1 + non-root users create and delete remote and striped directories. + On the MGS execute the following command: + mgs# lctl conf_param fsname.mdt.enable_remote_dir_gid=-1 + For the Lustre filesystem 'scratch', the commands expands to: + mgs# lctl conf_param scratch.mdt.enable_remote_dir_gid=-1. + The change can be verified by executing the following command on every MDS: + mds# lctl get_param mdt.*.enable_remote_dir_gid
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