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I am having problems after removing a drive from my Terastation TS-WVHL NAS.  I have all the data backed up fortunately.  I shut down the NAS and removed drive 1 from the NAS and restarted.  I wanted to prove out the recovery procedure of the NAS.  After a short while the NAS came up on a single drive and all looked good.  So then I decided to put drive 1 back in.  I initiated a shut down on the Terastation about 4 hours ago.  It is still staying it is shutting down.  The LAN links are off.  I am afraid to force a shutdown assuming it is rebuilding something.  Is this normal?   It is a 2 TB X 2 Raid 1 Terastation.  When I put drive 1 back in is it going to have to rebuild the raid image?

just pull the plug, reinsert the disk 1 and rebuild the raid

I am back up and running but in degraded mode.  Error I12.  Under Storage Raid Array the Array has and error and if I click on the array the option to rebuild array is grayed out.  Only option is to delete the array.  Is it attempting to repair itself or do I need to delete the array and then rebuild the array?

This is why I wanted to simulate a failure.  If I were relying on this raid array and it failed I could be in serious trouble.

Here is the last syslog:
Apr 27 18:35:58 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:36:02 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:36:26 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)
Apr 27 18:36:27 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:36:37 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:36:41 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:37:02 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)
Apr 27 18:37:02 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:37:12 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:37:13 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:37:53 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:37:57 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)
Apr 27 18:38:08 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:38:12 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:38:13 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:38:17 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)
Apr 27 18:39:21 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:39:24 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:39:29 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:39:33 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)
Apr 27 18:39:34 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:39:37 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:39:38 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:39:42 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)
Apr 27 18:40:01 NAS1 linkstation: This platform doesn't support any mtd.
Apr 27 18:40:08 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:40:12 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:40:33 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)
Apr 27 18:40:33 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:41:05 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:41:09 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:41:23 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:41:27 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)
Apr 27 18:41:48 NAS1 errormon[2438]: Information situation detected! OperationModeI12DEGRADE MODE
Apr 27 18:41:52 NAS1 diskmon: lcd_error_man.sh array1_raid_error on diag_on buzzer_on(old error code)
Apr 27 18:42:03 NAS1 kernelmon: cmd=micon_interrupts
Apr 27 18:42:05 NAS1 last message repeated 3 times
Apr 27 18:42:24 NAS1 errormon[2438]: Information situation cleared! OperationModeI12DEGRADE MODE
Apr 27 18:42:28 NAS1 diskmon: lcd_error_man.sh array1_raid_error off(old error code)

System - Storage - Disks - Select the disk -> Rediscover Disk -> Then the rebuild option should be available.

Rediscover disk is also grayed out.  See attached imaged.

Maybe I won't .  How do I send an attachment?

just post it to an image host and post the link here.

My TeraStation seems to be completely hosed now.  All because I removed a drive and put it back in.  I can't do anything with it.  The web access will not let me do anything.  It just says it is processing an array procedure.  Is there are way to do a hard reset to factory defaults not using the web interface or software?