patch-2.4.0-test2 linux/Documentation/md.txt

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diff -u --recursive --new-file v2.4.0-test1/linux/Documentation/md.txt linux/Documentation/md.txt
@@ -1,15 +1,17 @@
-Tools that manage md devices can be found at sweet-smoke.ufr-info-p7.ibp.fr
-in public/Linux/md035.tar.gz.
+Tools that manage md devices can be found at
+   http://www.<country>.kernel.org/pub/linux/daemons/raid/....
 
-	Marc ZYNGIER <zyngier@ufr-info-p7.ibp.fr>
 
---
 
 You can boot (if you selected boot support in the configuration) with your md 
-device with the following kernel command line:
+device with the following kernel command lines:
 
-md=<md device no.>,<raid level>,<chunk size factor>,<fault level>,dev0,dev1,...,devn
+for old raid arrays without persistant superblocks:
+  md=<md device no.>,<raid level>,<chunk size factor>,<fault level>,dev0,dev1,...,devn
 
+for raid arrays with persistant superblocks
+  md=<md device no.>,dev0,dev1,...,devn
+  
 md device no. = the number of the md device ... 
               0 means md0, 
 	      1 md1,
@@ -19,19 +21,16 @@
 
 raid level = -1 linear mode
               0 striped mode
-	      other modes are currently unsupported.
+	      other modes are only supported with persistant super blocks
 
 chunk size factor = (raid-0 and raid-1 only)
-              Set  the chunk size as PAGE_SIZE << n.
+              Set  the chunk size as 4k << n.
 	      
-fault level = (raid-1 only)
-              Set  the maximum fault number as n.
-	      Currently unsupported due to lack of boot support for raid1.
+fault level = totally ignored
 			    
 dev0-devn: e.g. /dev/hda1,/dev/hdc1,/dev/sda1,/dev/sdb1
 			    
-my loadlin line looks like this:
+A possible loadlin line (Harald Hoyer <HarryH@Royal.Net>)  looks like this:
 
 e:\loadlin\loadlin e:\zimage root=/dev/md0 md=0,0,4,0,/dev/hdb2,/dev/hdc3 ro
 			    
-        Harald Hoyer <HarryH@Royal.Net>

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)