Changes between Version 10 and Version 11 of kiyoshi-recovery-2010-02

Timestamp:

Feb 8, 2010, 11:44:24 PM (15 years ago)

Author:

Daniel Kahn Gillmor

Comment:

--

kiyoshi-recovery-2010-02

@@ -35 +35 @@
    * Move with:
 {{{
-pvmove --verbose --name vg_kiyoshi0/<logical-volume-name> <path/to/old/volume> /dev/sdc
+pvmove --verbose --name vg_kiyoshi0/<logical-volume-name> <path/to/old/volume> /dev/sdc2
 }}}
   * Ensure /dev/sdb is no longer in use
 {{{
-pvdisplay /dev/dm-2
+pvdisplay /dev/mapper/md2_crypt
 }}}
 
@@ -57 +57 @@
    * Move testy partition to sdb
 {{{
-pvmove --verbose vg_kiyoshi0/testy /dev/sdc /dev/dm-2
+pvmove --verbose vg_kiyoshi0/testy /dev/sdc2 /dev/mapper/md2_crypt
 }}}
    * Create a file system
@@ -65 +65 @@
    * Mount it
 {{{
-mount /dev/mapper/vg_kiyoshi0-test /mnt
+mount /dev/mapper/vg_kiyoshi0-tesyt /mnt
 }}}
    * Create a file called postmark.conf:
@@ -116 +116 @@
 {{{
 umount /mnt
-pvmove --verbose --name vg_kiyoshi0/testy /dev/dm-2 /dev/sdc
+pvmove --verbose --name vg_kiyoshi0/testy /dev/mapper/md2_crypt /dev/sdc2
 }}}
    * Remove as logical volume
 {{{
-pvremove /dev/dm-2
+pvremove /dev/mapper/md2_crypt
+}}}
+   * Unmap crypto layer:
+{{{
+cryptsetup luksClose md2_crypt 
 }}}
    * Remove from RAID
 {{{
 mdadm --fail /dev/md2 /dev/sdb2 
+### shouldn't this remove /dev/md2 entirely?
 mdadm --fail /dev/md0 /dev/sdb1 
 }}}
@@ -135 +140 @@
 (parted) mklabel gpt
 (parted) unit s
+### dkg thinks we should not go all the way to the end; rather, we should leave a bit of free space
+### this is because we don't know if the other disk is exactly the same size or not.
+### so we should change -1 to something several sectors in from the end.
 (parted) mkpart primary ext2 40 -1
 # parted will complain about end location, ignore
@@ -141 +149 @@
    * Re-add to raid arrays: this step re-adds it to the LVM raid array it was previously a part of and adds it to the boot partition RAID array
 {{{
-mdadm --add /dev/md2 /dev/sdb2
+mdadm /dev/md2 --create --level=mirror -n 2 /dev/sdb2 missing
 mdadm --add /dev/md0 /dev/sdb1
+}}}
+  * add crypto layer to md2
+{{{
+cryptsetup luksFormat /dev/md2
+cryptsetup luksOpen /dev/md2 md2_crypt
 }}}
   * Test to make sure this new partition means it really does write/read faster.
          * Move test partition back and mount
 {{{
-pvmove --verbose --name vg_kiyoshi0/testy /dev/sdc2 /dev/dm-2
+pvmove --verbose --name vg_kiyoshi0/testy /dev/sdc2 /dev/mapper/md2_crypt
 mount /dev/mapper/vg_kiyoshi0-test /mnt
 }}}