Commits on Jul 12, 2024

1. Add support for raid10 …

   This removes the wait block for raid resync for two reasons:
   1) raid0 does not have redundancy and therefore no initial resync[1]
   2) with raid10 the resync time for 4x 1.9TB disks takes from tens of minutes
      to multiple hours, depending on sysctl params `dev.raid.speed_limit_min` and
      `dev.raid.speed_limit_max` and the speed of the disks. Initial resync for
      raid10 is not strictly needed[1]
   
   Filesystem creation: by default `mkfs.xfs` attempts to TRIM the drive. This is
   also something that can take tens of minutes or hours, depening on the size of
   drives. TRIM can be skipped, as instances are delivered with disks fully
   trimmed[2].
   
   [1] https://raid.wiki.kernel.org/index.php/Initial_Array_Creation
   [2] https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ssd-instance-store.html#InstanceStoreTrimSupport

   

   lassizci committed Jul 12, 2024
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