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--- computing:storage:disk_partitioning [2014/05/05 23:06]
gcooper
+++ computing:storage:disk_partitioning [2014/05/05 23:41] (current)
gcooper
@@ Line 1: / Line 1: @@
 ====== Advanced Format (4K Sector) Drive Partitioning ======
+:!: If in doubt or you just don't want to read this page, start your partition at **sector 2048** (''1MiB'').
+**Background**: https://www.ibm.com/developerworks/linux/library/l-linux-on-4kb-sector-disks/
+**Great info**: http://petersmithphotog.no-ip.biz/wiki/index.php/Partition_Alignment
 :!: This information is equally or more important for SSD's as it is for spinning hard drives.
@@ Line 30: / Line 36: @@
 **''fdisk''** still uses cylinder-based alignment and does not support GPT partition tables.
-  * Newer versions of ''fdisk'' default to using 2048 (bytes) as the starting point
+  * Newer versions of ''fdisk'' default to using ''2048s'' as the starting point
       * Creates aligned partitions
       * Same default as newer Windows
@@ Line 43: / Line 49: @@
 http://www.cyberciti.biz/tips/fdisk-unable-to-create-partition-greater-2tb.html
+**For RAID arrays**: http://ubuntuforums.org/archive/index.php/t-1715375.html
 Install ''parted'' if it's not already installed:
@@ Line 100: / Line 108: @@
 </file>
-:!: Many newer partition tools make the assumption that ''2048s'' is a fairly safe assumption to create an aligned partition.  This is not always true, but is very common.  See here for more info: https://communities.netapp.com/message/97449
+:!: Many newer partition tools make the assumption that ''2048s'' (or ''1MiB'') is a fairly safe assumption to create an aligned partition.  This is not always true, but is very common.  See here for more info: https://communities.netapp.com/message/97449
 This partitions a 'data' drive with a single large, properly aligned, primary partition that will have an XFS filesystem:

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