From 63312cb3343d6370c89ab0ff4e93aa39aab25fa5 Mon Sep 17 00:00:00 2001 From: Zdenek Kabelac Date: Mon, 12 May 2025 15:05:46 +0200 Subject: [PATCH 13/14] man: update raid man Mention repair of transiently lost devices. (cherry picked from commit 22364ce9b68b3a2e03819bfd8fdc569df584b7e2) --- man/lvmraid.7_main | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/man/lvmraid.7_main b/man/lvmraid.7_main index 5b429a410..db8009d46 100644 --- a/man/lvmraid.7_main +++ b/man/lvmraid.7_main @@ -434,7 +434,7 @@ found, run: # lvs -o name,raid_mismatch_count .EE .P -Also, if mismatches were found, the +Also, if mismatches were found, the .BR lvs (8) attr field will display the letter "m" (mismatch) in the 9th position, e.g. @@ -862,6 +862,21 @@ those PVs can be reconstructed with: The rebuild option can be repeated with different PVs to replace the data on multiple PVs. . +.SS Reactivating arrays after temporary device loss + +When a RAID array loses a critical number of devices, +causing it to lose its ability to function reliably, +the array will stop and require repair. + +Initiate repair process with this command: +.P +.B lvconvert --repair +.I LV +.P +If the previously unavailable devices become accessible again, +this repair process will update their metadata and +the RAID array can be reactivated. +. .SH DATA INTEGRITY . The device mapper integrity target can be used in combination with RAID -- 2.49.0