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Full Discussion: Help with mirroring rpool
Operating Systems Solaris Help with mirroring rpool Post 302995688 by Zorken on Monday 10th of April 2017 03:50:44 PM
Old 04-10-2017
Help with mirroring rpool
Hello,

I need some help mirroring my rpool.
I have a 60gb ssd running the rpool alone and want to mirror it for redundancy so I bought a 120gb ssd that I found for a good price. 60gb drives aren't as easy to find at a good price anymore it seems.

I (a bit naively) thought after reading http://docs.oracle.com/cd/E19253-01/...dep/index.html that it would be as easy to mirror as a storage pool using just zpool attach pool drive1 drive2, but I found out it is not.

Code:
:~# zpool status rpool
  pool: rpool
 state: ONLINE
  scan: scrub repaired 0 in 10m47s with 0 errors on Sun Apr  2 00:06:47 2017

config:

        NAME      STATE     READ WRITE CKSUM
        rpool     ONLINE       0     0     0
          c3d0s0  ONLINE       0     0     0

errors: No known data errors

:~# zpool attach rpool c3d0 c7d0
Error: c7d0s0 is part of an EFI(GPT) labeled device.
A required boot partition (BIOS Boot) was not found.
cannot attach c7d0 to c3d0: All disk labeling/system requirements are not satisfied.

c3d0 being the existing drive and c7d0 the new drive.

Trying to google the answer and looking in these forums I found some information (ZFS mirroring and Create a boot disk mirror on Solaris 10 x86) on how to proceed but I just can not get it to work properly. I am probably doing something wrong with partitioning but need help figuring out what.

Here is what I have tried and where I get stuck.
Code:
:~# fdisk -B c7d0p0
:~# fdisk -W - c7d0p0

* /dev/rdsk/c7d0p0 default fdisk table
* Dimensions:
*    512 bytes/sector
*     56 sectors/track
*    224 tracks/cylinder
*   18689 cylinders
*
* systid:
*    1: DOSOS12
*    2: PCIXOS
*    4: DOSOS16
*    5: EXTDOS
*    6: DOSBIG
*    7: FDISK_IFS
*    8: FDISK_AIXBOOT
*    9: FDISK_AIXDATA
*   10: FDISK_0S2BOOT
*   11: FDISK_WINDOWS
*   12: FDISK_EXT_WIN
*   14: FDISK_FAT95
*   15: FDISK_EXTLBA
*   18: DIAGPART
*   65: FDISK_LINUX
*   82: FDISK_CPM
*   86: DOSDATA
*   98: OTHEROS
*   99: UNIXOS
*  100: FDISK_NOVELL2
*  101: FDISK_NOVELL3
*  119: FDISK_QNX4
*  120: FDISK_QNX42
*  121: FDISK_QNX43
*  130: SUNIXOS
*  131: FDISK_LINUXNAT
*  134: FDISK_NTFSVOL1
*  135: FDISK_NTFSVOL2
*  165: FDISK_BSD
*  167: FDISK_NEXTSTEP
*  183: FDISK_BSDIFS
*  184: FDISK_BSDISWAP
*  190: X86BOOT
*  191: SUNIXOS2
*  238: EFI_PMBR
*  239: EFI_FS
*

* Id    Act  Bhead  Bsect  Bcyl    Ehead  Esect  Ecyl    Rsect      Numsect
  191   128  199    8      0       254    63     1023    12544      234422272
  0     0    0      0      0       0      0      0       0          0
  0     0    0      0      0       0      0      0       0          0
  0     0    0      0      0       0      0      0       0          0

:~# prtvtoc /dev/rdsk/c3d0s0 | fmthard -s - /dev/rdsk/c7d0s0
Partition 0 not aligned on cylinder boundary: "       0      2    00      16065 117162045 117178109"

If I run format and remove the EFI partition, create a new solaris2 partition and run zpool attach, the drive returns to EFI labels. Should it do that or am I missing something there too?

Any help resolving this is much appreciated.

Code:
:~# cat /etc/release
Oracle Solaris 11.3 X86

 

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