NAS542: How to remove disks from RAID 1?

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  • frameworker
    frameworker Posts: 23  Freshman Member
    edited April 2019
    That have worked!

    </code><code>mdadm --zero-superblock /dev/sda3
    Reboot...
    ~ # cat /proc/mdstat<br>Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] <br>md2 : active raid1 sdb3[6] sdd3[3] sde3[4]<br>      972631040 blocks super 1.2 [3/3] [UUU]<br>      <br>md1 : active raid1 sda2[4] sde2[6] sdd2[5] sdb2[7]<br>      1998784 blocks super 1.2 [4/4] [UUUU]<br>      <br>md0 : active raid1 sda1[4] sde1[6] sdd1[5] sdb1[7]<br>      1997760 blocks super 1.2 [4/4] [UUUU]<br>      <br>~ # df -k<br>Filesystem           1K-blocks      Used Available Use% Mounted on<br>ubi7:ubi_rootfs2         92892     49816     38296  57% /firmware/mnt/nand<br>/dev/md0               1966352    183152   1683312  10% /firmware/mnt/sysdisk<br>/dev/loop0              142799    126029     16770  88% /ram_bin<br>/dev/loop0              142799    126029     16770  88% /usr<br>/dev/loop0              142799    126029     16770  88% /lib/security<br>/dev/loop0              142799    126029     16770  88% /lib/modules<br>/dev/loop0              142799    126029     16770  88% /lib/locale<br>/dev/ram0                 5120         4      5116   0% /tmp/tmpfs<br>/dev/ram0                 5120         4      5116   0% /usr/local/etc<br>ubi3:ubi_config           2408       132      2120   6% /etc/zyxel<br>/dev/md2             957368980 929638704  27730276  97% /i-data/90901ca4<br>/dev/md2             957368980 929638704  27730276  97% /usr/local/apache/htdocs/desktop,/pkg<br>/dev/sdc1            961402172 928016208  33385964  97% /e-data/8d974727c6f6865e1624d1b2c5423c07<br><br>

    Come   h e l l   or high water, same procedure for /dev/sdb3....


  • frameworker
    frameworker Posts: 23  Freshman Member
    edited April 2019
    ... successfully done. Now I could increase the capacity up to 4TB using the unused space from the manage tool within the GUI, estimated repair time >80 hours (!!) .......

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