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Differences between version 2 and previous revision of CyberLeo/BootstrapGentoo.

Other diffs: Previous Major Revision, Previous Author

Newer page: version 2 Last edited on Monday, 7 March 2011 10:07:40 by CyberLeo Revert
Older page: version 1 Last edited on Saturday, 5 March 2011 23:23:43 by CyberLeo Revert
@@ -25,5 +25,17 @@
 mke2fs -vvt ext2 -L mapajani-boot /dev/sda1 
 mke2fs -vvt ext4 -E lazy_itable_init=1 -L mapajani-root /dev/mapper/mapajani-root 
 mkswap -f -L mapajani-swap /dev/mapper/mapajani-swap 
  
+</code>  
+  
+GPT?  
+  
+<code brush="bash">  
+----start ------end -----size -----type  
+ 0 0 1 pmbr  
+ 1 33 33 GPT  
+ 34 34815 34782 efi  
+ 34816 107462655 107427840 LUKS  
+107462656 107463853 1198 unused  
+107463854 107463886 33 GPT  
 </code> 

version 2

OCz Vertex 2 probably has an eraseblock size of 512kiB, so 1MB alignment works

Pregap only needs 32 sectors; boot only needs about 16MB
Make sure luks partition (type 0x44) is aligned to 2048 sectors (1MB) on both sides!
Leave about 40MB at the end. Might as well

p      start        end       size  type
----------------------------------------
p          0         31         32  0x00 # Pregap
1         32      34815      34784  0x83 # Boot
2      34816  107380735  107345920  0x44 # LUKS
3  107380736  107463887      83152  0x00 # SSD-padding

cryptsetup luksFormat -v -s 256 -c aes-xts-essiv:sha256 -h sha1 --align-payload 2048 /dev/sda2
cryptsetup luksOpen /dev/sda2 mapajani
badblocks -b1024 -c1024 -vvwt 0x00 /dev/mapper/mapajani # Or random or whatever; just need to write every sector of the raw dev
lvm pvcreate --verbose --metadatasize 1000k /dev/mapper/mapajani
lvm pvs -oname,vg_mda_size,pe_start --units s
lvm vgcreate --verbose mapajani /dev/mapper/mapajani
lvm pvs -oname,vg_mda_size,pe_start --units s
lvm lvcreate --verbose --extents 12079 --name root mapajani
lvm lvcreate --verbose --extents 1024 --name swap mapajani

mke2fs -vvt ext2 -L mapajani-boot /dev/sda1
mke2fs -vvt ext4 -E lazy_itable_init=1 -L mapajani-root /dev/mapper/mapajani-root
mkswap -f -L mapajani-swap /dev/mapper/mapajani-swap

GPT?

----start  ------end  -----size  -----type
        0          0          1       pmbr
        1         33         33        GPT
       34      34815      34782        efi
    34816  107462655  107427840       LUKS
107462656  107463853       1198     unused
107463854  107463886         33        GPT