Yesterday, I went to access my RAID5 array through Windows, and it was disconnected. I couldn't get it back, so unplugged my Raspberry Pi and plugged it back in to power cycle it. I have three Toshiba Canvio 1 TB USB drives plugged in through a powered USB hub that is, in turn, plugged into my Raspberry Pi. I also have a fourth Toshiba Canvio drive that I use as a backup, and I can still access that one.
Here's the information from SSH:
Code
root@raspberrypi:~# cat /proc/mdstat
Personalities :
unused devices: <none>
root@raspberrypi:~# blkid
/dev/mmcblk0p1: LABEL="boot" UUID="CE83-8CE1" TYPE="vfat" PARTUUID="c5ac05a5-01"
/dev/mmcblk0p2: UUID="ae708a4d-982a-4a20-965c-01ec7e1f32b3" TYPE="ext4" PARTUUID ="c5ac05a5-02"
/dev/sda: UUID="8ff2382b-1011-e4f7-6b28-c7eb8dfe57ec" UUID_SUB="a2ad3e46-b810-22 8c-feb9-34c85b486bc6" LABEL="raspberrypi:RAID5" TYPE="linux_raid_member"
/dev/sdb: UUID="8ff2382b-1011-e4f7-6b28-c7eb8dfe57ec" UUID_SUB="29412fe3-8c41-a7 46-d389-ff434ecccc60" LABEL="raspberrypi:RAID5" TYPE="linux_raid_member"
/dev/sdc: UUID="8ff2382b-1011-e4f7-6b28-c7eb8dfe57ec" UUID_SUB="8ef099e8-8b8f-72 4a-10b4-a5a619c384d0" LABEL="raspberrypi:RAID5" TYPE="linux_raid_member"
/dev/zram0: UUID="e1a5ce9f-3124-43ee-91bb-2005e464f464" TYPE="swap"
/dev/zram1: UUID="8535e5dc-f4bb-4594-a519-326701cdfb06" TYPE="swap"
/dev/zram2: UUID="e4aaf65f-77f6-49a6-8ee0-adac9f39edbf" TYPE="swap"
/dev/zram3: UUID="6e068c3a-df69-45b2-88b2-ed34d0acd8fd" TYPE="swap"
/dev/sde1: LABEL="New Volume" UUID="26DE1E1EDE1DE6B9" TYPE="ntfs" PARTLABEL="Bas ic data partition" PARTUUID="2214ec36-1426-4510-83f0-70e2c1d6d96f"
/dev/mmcblk0: PTUUID="c5ac05a5" PTTYPE="dos"
/dev/mmcblk0p3: PARTUUID="c5ac05a5-03"
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