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Metadevice Too Small To Attach

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Operating Systems Solaris Metadevice Too Small To Attach
# 1  
Old 08-09-2012
Metadevice Too Small To Attach
Hi All,

I am having trouble with my metadevices and I hope someone can help.
when i try to attach my submirror i get the following error:

Code:
root@xxxx>metattach d31 d21
metattach: tbair1: d21: submirror too small to attach
root@xxxx>

However, There is a submirror on the other disk which is the same size and IS attached.

Code:
d21: Concat/Stripe
    Hot spare pool: hsp002
    Size: 33559785 blocks (16 GB)
    Stripe 0:
        Device                             Start Block  Dbase   Reloc
        /dev/dsk/c0t5000CCA0258B3915d0s1      32130     Yes     Yes

Code:
d11: Submirror of d31
    State: Okay         
    Hot spare pool: hsp002
    Size: 33562500 blocks (16 GB)
    Stripe 0:
        Device                             Start Block  Dbase        State Reloc Hot Spare
        /dev/dsk/c0t5000CCA025806279d0s1          0     No            Okay   Yes

In fact i manually partitioned the disks so that my d21 is actually 16.02GB while d11 is (default) at 16.00GB, so its actually bigger.

I think the problem is the fact that the starting block on d21 is not 0.
also, the disks are the same size but the available cylinders are different.

disk with d11 (working)
Code:
Total disk cylinders available: 46870 + 2 (reserved cylinders)
2     backup    wm       0 - 46870      279.37GB    (46871/0/0) 585887500

disk with d21 (not working)
Code:
Total disk cylinders available: 36469 + 2 (reserved cylinders)
2     backup    wu       0 - 36468      279.37GB    (36469/0/0) 585874485


any one out there have any ideas?

Thanks,
A.
# 2  
Old 08-09-2012
I think that the partition tables of your devices do not match.

Compare the format output for both devices, if they do not match try this:
Code:
prtvtoc /dev/rdsk/original | fmthard -s /dev/rdsk/mirror

That error is not always helpful IMO. It has been a while on this, so please verify the fmthard command syntax, I'm not in a place where I can do that.
# 3  
Old 08-09-2012
Solution
Hi Jim, Thanks for the input but I managed to solve it myself after a LOT of manipulation.

what I did was to detach both submirrors

Code:
metadetach d30 d20
metadetach d31 d21

remove the slice:
Code:
metadb -d DISKNAMEs7

Clear it the submirrors
Code:
metaclear -f d20
metaclear -f d21

Partition the disk with format.

Then Initialise thesubmirrors:
Code:
metainit d20 1 1 /dev/dsk/DISKNAMEs0 -h hsp001
metainit d21 1 1 /dev/dsk/DISKNAMEs1 -h hsp002

and reattach them:
Code:
metattach d30 d20
metattach d31 d21

Partitioning the disks really just came down to trial and error to find the size that worked.

A
# 4  
Old 08-09-2012
Did you check to see if the paritions were different - I think that is what usually causes that error.
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