[zfs-discuss] Rename disk labels in an already running zpool?

Jeff Yana jyana at ranknfilesys.com
Sun Dec 3 02:21:50 EST 2017


Just export your pool and re-import it with the –d flag pointing it to the disk-id directory

# zpool import –d /dev/disk/by-id/ yourpoolname

Jeff


From: Zenny <garbytrash at gmail.com>
Date: Friday, December 1, 2017 at 11:44 PM
To: <zfs-discuss at list.zfsonlinux.org>
Subject: [zfs-discuss] Rename disk labels in an already running zpool?

Hi,
I have a mirror pool with two drives:
    NAME                        STATE     READ WRITE CKSUM
    xtbmr                       ONLINE       0     0     0
      mirror-0                  ONLINE       0     0     0
        sde                      ONLINE       0     0     0
        sda                      ONLINE       0     0     0

I want to change the labels derived from disk-id. 'ls -la /dev/disk/by-id' outputs:
lrwxrwxrwx 1 root root   9 Dec  2 08:08 ata-ST10000VN0004-1ZD101_ZA22435B -> ../../sde
lrwxrwxrwx 1 root root  10 Dec  2 08:08 ata-ST10000VN0004-1ZD101_ZA22435B-part1 -> ../../sde1
lrwxrwxrwx 1 root root  10 Dec  2 08:08 ata-ST10000VN0004-1ZD101_ZA22435B-part9 -> ../../sde9
lrwxrwxrwx 1 root root   9 Dec  2 08:08 ata-ST10000VN0004-1ZD101_ZA224RJK -> ../../sda
lrwxrwxrwx 1 root root  10 Dec  2 08:08 ata-ST10000VN0004-1ZD101_ZA224RJK-part1 -> ../../sda1
lrwxrwxrwx 1 root root  10 Dec  2 08:08 ata-ST10000VN0004-1ZD101_ZA224RJK-part9 -> ../../sda9

How can I change the disk labeling
FROM sde TO ata-ST10000VN0004-1ZD101_ZA22435B
FROM sda TO ata-ST10000VN0004-1ZD101_ZA224RJK
without breaking the zpool?

Inputs appreciated and have a nice weekend!

Cheers,
/z

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