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FreeNAS - Replace a Drive

The GUI informs that the zpool is degraded.

List the Pools

zpool list

returns:

NAME           SIZE  ALLOC   FREE  CKPOINT  EXPANDSZ   FRAG    CAP  DEDUP    HEALTH  ALTROOT
Pool1         43.5T  35.6T  7.94T        -         -    10%    81%  1.00x    ONLINE  /mnt
freenas-boot   216G  5.08G   211G        -         -     0%     2%  1.00x    ONLINE  -
 
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===== Check the status of the Pool =====
 
<code bash>
zpool status Pool1
  pool: Pool1
 state: ONLINE
  scan: scrub repaired 0B in 21:56:57 with 0 errors on Sun Dec 20 21:56:57 2020
config:
 
	NAME                                            STATE     READ WRITE CKSUM
	Pool1                                           ONLINE       0     0     0
	  raidz1-0                                      ONLINE       0     0     0
	    gptid/2d35e96c-b611-11ea-be33-00d861fcb7d8  ONLINE       0     0     0
	    gptid/2d41dcbd-b611-11ea-be33-00d861fcb7d8  ONLINE       0     0     0
	    gptid/2ddb5cb2-b611-11ea-be33-00d861fcb7d8  ONLINE       0     0     0
 
errors: No known data errors

NOTE: This shows the disks within the Pool.