From 8c914986bf415a535153f77e53e630707f8e1a1c Mon Sep 17 00:00:00 2001 From: Lai Siyao Date: Wed, 12 Jun 2019 18:54:06 +0800 Subject: [PATCH] LU-11213 doc: update lfs-setdirstripe man 'space' hash Add 'space' hash description for lfs-setdirstripe man. Test-Parameters: trivial Signed-off-by: Lai Siyao Change-Id: I847618c5c98925ebc7b1bd124173ffb5adfe90dd Reviewed-on: https://review.whamcloud.com/35208 Tested-by: Jenkins Reviewed-by: Andreas Dilger Tested-by: Maloo Reviewed-by: Joseph Gmitter Reviewed-by: Oleg Drokin --- lustre/doc/lfs-setdirstripe.1 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lustre/doc/lfs-setdirstripe.1 b/lustre/doc/lfs-setdirstripe.1 index 9f52fa8..fda8be3 100644 --- a/lustre/doc/lfs-setdirstripe.1 +++ b/lustre/doc/lfs-setdirstripe.1 @@ -44,6 +44,13 @@ Fowler-Noll-Vo (FNV-1a) hash algorithm. This provides reasonably uniform, but not cryptographically strong, hashing of the filename. (default) .TP +.B space +This can only be set on plain directory default striping. +Newly created sub-directories will be distributed on all +MDTs by MDT space usage. Note that this is suggested to +be set on lustre ROOT, so that all sub-directories under +lustre ROOT are distributed among all MDTs. +.TP .B all_char Sum of ASCII characters modulo number of MDTs. This provides weak hashing of the filename, and is suitable -- 1.8.3.1