From ad4158bac72418ddd044110ab3663757cea6a649 Mon Sep 17 00:00:00 2001 From: Heinz Mauelshagen Date: Thu, 16 Mar 2017 23:10:57 +0100 Subject: [PATCH] man: lvmraid(7) clarifications --- man/lvmraid.7_main | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/man/lvmraid.7_main b/man/lvmraid.7_main index d738cf8ad..8ac59c64b 100644 --- a/man/lvmraid.7_main +++ b/man/lvmraid.7_main @@ -273,16 +273,16 @@ written. The RAID implementation keeps track of which parts of a RAID LV are synchronized. This uses a bitmap saved in the RAID metadata. The bitmap can exclude large parts of the LV from synchronization to reduce the -amount of work. Without this, the entire LV would need to be synchronized -every time it was activated. When a RAID LV is first created and -activated the first synchronization is called initialization. +amount of work after a crash. Without this, the entire LV would need +to be synchronized every time it was activated. When a RAID LV is +first created and activated the first synchronization is called initialization. Automatic synchronization happens when a RAID LV is activated, but it is usually partial because the bitmaps reduce the areas that are checked. -A full sync may become necessary when devices in the RAID LV are changed. +A full sync becomes necessary when devices in the RAID LV are replaced. The synchronization status of a RAID LV is reported by the -following command, where "image synced" means sync is complete: +following command, where "Cpy%Sync" = "100%" means sync is complete: .B lvs -a -o name,sync_percent @@ -824,8 +824,8 @@ synchronous. RAID takeover is converting a RAID LV from one RAID level to another, e.g. raid5 to raid6. Changing the RAID level is usually done to increase or -decrease resilience to device failures. This is done using lvconvert and -specifying the new RAID level as the LV type: +decrease resilience to device failures or to restripe LVs. This is done +using lvconvert and specifying the new RAID level as the LV type: .B lvconvert --type .I RaidLevel -- 2.43.5