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From: Neil Brown <neilb@cse.unsw.edu.au>
To: "H. Peter Anvin" <hpa@zytor.com>
Date: Wed, 6 Nov 2002 06:36:58 +1100
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Message-ID: <15816.7642.109406.151180@notabene.cse.unsw.edu.au>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com
Subject: Re: Reconfiguring one SW-RAID when other RAIDs are running
In-Reply-To: message from H. Peter Anvin on Monday November 4
References: <3DC762FC.8070007@zytor.com>
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On Monday November 4, hpa@zytor.com wrote:
> Hi all,
> 
> I'm trying to re-create a RAID while leaving the other RAIDs -- 
> including the root filesystem -- running, but mkraid refuses to run:
> 
> hera 1 # mkraid /dev/md2
> /dev/md0: array is active -- run raidstop first.
> mkraid: aborted.
> (In addition to the above messages, see the syslog and /proc/mdstat as well
>   for potential clues.)

My guess is that the following patch would fix it, but I haven't
tested it.

NeilBrown

--- mkraid.c	2002/11/05 19:34:57	1.1
+++ mkraid.c	2002/11/05 19:35:29
@@ -244,7 +244,7 @@ int main (int argc, char *argv[])
     while (*args) {
 	for (p = cfg_head; p; p = p->next) {
 	    if (strcmp(p->md_name, *args)) continue;
-	    if (check_active(cfg)) 
+	    if (check_active(p)) 
 		goto abort;
 	    if (force_flag) {
 		fprintf(stderr, "DESTROYING the contents of %s in 5 seconds, Ctrl-C if unsure!\n", *args);

-
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