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grow_md_raid1 [2024/01/04 14:01] – stevegrow_md_raid1 [2024/01/04 14:04] (current) – steve
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       * <wrap hi>mdadm /dev/md0 -f /dev/sda1</wrap>       * <wrap hi>mdadm /dev/md0 -f /dev/sda1</wrap>
   * Wait for sync to finish:    * Wait for sync to finish: 
-      * <wrap hi>watch cat /proc/mdstat</wrap>+      * <wrap hi>watch -n 60 cat /proc/mdstat</wrap>
   * Fail the other old drive:    * Fail the other old drive: 
       * <wrap hi>mdadm /dev/md0 -f /dev/sdb1</wrap>       * <wrap hi>mdadm /dev/md0 -f /dev/sdb1</wrap>
   * Wait for sync to finish:    * Wait for sync to finish: 
-      * <wrap hi>watch cat /proc/mdstat</wrap>+      * <wrap hi>watch -n 60 cat /proc/mdstat</wrap>
   * Remove the old drives from the array:    * Remove the old drives from the array: 
       * <wrap hi>mdadm /dev/md0 -r /dev/sda1 /dev/sdb1</wrap>       * <wrap hi>mdadm /dev/md0 -r /dev/sda1 /dev/sdb1</wrap>
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       * <wrap hi>mdadm --grow /dev/md0 --size max</wrap>       * <wrap hi>mdadm --grow /dev/md0 --size max</wrap>
   * Grow the filesystem:    * Grow the filesystem: 
-      * <wrap hi>resize2fs /dev/md0  # Or xfs_growfs, resize2fs, etc...</wrap>+      * <wrap hi>resize2fs /dev/md0</wrap> 
 +      * # Or xfs_growfs, resize2fs, etc...
 ..and now I have a 14TB RAID1 instead of the initial 4TB. ..and now I have a 14TB RAID1 instead of the initial 4TB.
  
 Originally from; [[https://unix.stackexchange.com/questions/665389/mdadm-adding-a-new-hard-disk-to-an-existing-raid1|StackExchange]] Originally from; [[https://unix.stackexchange.com/questions/665389/mdadm-adding-a-new-hard-disk-to-an-existing-raid1|StackExchange]]
grow_md_raid1.1704376894.txt.gz · Last modified: by steve