[Fai-commit] r4285 - people/mugwump/lvmraid-fai3/examples/simple/disk_config

[Sam Vilain]

Author: samv-guest
Date: 2007-05-04 02:44:34 +0000 (Fri, 04 May 2007)
New Revision: 4285

Added:
   people/mugwump/lvmraid-fai3/examples/simple/disk_config/MIRRORED
Log:
setup_harddisks: add example missed from previous commit


Added: people/mugwump/lvmraid-fai3/examples/simple/disk_config/MIRRORED
===================================================================
--- people/mugwump/lvmraid-fai3/examples/simple/disk_config/MIRRORED	2007-05-04 02:43:41 UTC (rev 4284)
+++ people/mugwump/lvmraid-fai3/examples/simple/disk_config/MIRRORED	2007-05-04 02:44:34 UTC (rev 4285)
@@ -0,0 +1,38 @@
+# generic disk configuration
+#
+# <type> <mountpoint> <size in mb> [mount options]     [;extra options]
+
+disk_config disk1
+# don't allocate 1% of the disk - just in case a replacement disk is
+# smaller; we don't want to end up being just a little bit short
+disk_reserve 1%
+primary  /             2048      rw,errors=remount-ro ; -c -j ext3 raid(1,md0)
+primary  swap          2048      rw                   ; raid(1,md1)
+primary  -          49152-                            ; raid(1,md2) lvm(vg0)
+
+disk_config disk2
+disk_reserve 1%
+primary  -             2048                           ; raid(1,md0)
+primary  -             2048                           ; raid(1,md1)
+primary  -          49152-                            ; raid(1,md2)
+
+# call this volume group "vg0", which must match up with some partitions
+# from above.  The default is HOSTNAME_1, and HOSTNAME is replaced by
+# (you guessed it) the host name.  Having host-specific VG names means
+# that you are guaranteed to be able to transport the VGs between
+# systems safely.  But in this example, we don't care.
+vg_config vg0
+# use 128MB extents, for no particular reason other than we can.
+vg_extent_size 15
+# we make some LVs.  Note that we can't use unbounded ranges, because
+# setup_harddisks isn't quite smart enough yet to calculate how much
+# VG space there is.
+lv  	/usr          8192     	rw                   ; ext3
+lv  	/var          8192     	rw                   ; ext3
+lv  	/home        32768    	rw,nosuid            ; ext3
+
+# however, note how we made the minimum size of the VG partition the
+# same as the total size of the LVs we allocated.  This isn't required,
+# either way setup_harddisks will bomb out, but at least this way it
+# will bomb out earlier, and with a better error message.  It also
+# makes it a little clearer what's happening.