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deleting mirror RAID on solaris volume manager

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ranganayaki

IS-IT--Management
Nov 22, 2006
14
US
how do I remove raid that has the following Raid configuration

# metastat
d60: Mirror
Submirror 0: d61
State: Okay
Submirror 1: d62
State: Okay
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 36501312 blocks (17 GB)

d61: Submirror of d60
State: Okay
Size: 36501312 blocks (17 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t0d0s6 0 No Okay Yes


d62: Submirror of d60
State: Okay
Size: 36501312 blocks (17 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t8d0s6 0 No Okay Yes


d50: Mirror
Submirror 0: d51
State: Okay
Submirror 1: d52
State: Okay
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 40968576 blocks (19 GB)

d51: Submirror of d50
State: Okay
Size: 40968576 blocks (19 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t0d0s5 0 No Okay Yes


d52: Submirror of d50
State: Okay
Size: 40968576 blocks (19 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t8d0s5 0 No Okay Yes


d40: Mirror
Submirror 0: d41
State: Okay
Submirror 1: d42
State: Okay
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 5942784 blocks (2.8 GB)

d41: Submirror of d40
State: Okay
Size: 5942784 blocks (2.8 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t0d0s4 0 No Okay Yes


d42: Submirror of d40
State: Okay
Size: 5942784 blocks (2.8 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t8d0s4 0 No Okay Yes


d30: Mirror
Submirror 0: d31
State: Okay
Submirror 1: d32
State: Okay
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 48010368 blocks (22 GB)

d31: Submirror of d30
State: Okay
Size: 48010368 blocks (22 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t0d0s3 0 No Okay Yes


d32: Submirror of d30
State: Okay
Size: 48010368 blocks (22 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t8d0s3 0 No Okay Yes


d10: Mirror
Submirror 0: d11
State: Needs maintenance
Submirror 1: d12
State: Okay
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 5942784 blocks (2.8 GB)

d11: Submirror of d10
State: Needs maintenance
Invoke: metareplace d10 c1t0d0s1 <new device>
Size: 5942784 blocks (2.8 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t0d0s1 0 No Maintenance Yes


d12: Submirror of d10
State: Okay
Size: 5942784 blocks (2.8 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t8d0s1 0 No Okay Yes


d0: Mirror
Submirror 0: d1
State: Okay
Submirror 1: d2
State: Okay
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 5942784 blocks (2.8 GB)

d1: Submirror of d0
State: Okay
Size: 5942784 blocks (2.8 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t0d0s0 0 No Okay Yes


d2: Submirror of d0
State: Okay
Size: 5942784 blocks (2.8 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c1t8d0s0 0 No Okay Yes


Device Relocation Information:
Device Reloc Device ID
c1t8d0 Yes id1,ssd@n500000e010c27100
c1t0d0 Yes id1,ssd@n20000004cfb4c983

thanks in advance

Jaya
 
Use the metadetach commands to remove the mirrors
Eg -
metadetach d60 d62
metadetach d60 d61

Then

metaclear d62
metaclear d61
metaclear d60

Edit the /etc/vfstab file to point to your cxtydz devices.

Remove metadbs - metadb -d blahblah

Reboot.


 
I did as you had said and then restored from tape on disk8 made changes to vfstab and tried to boot from disk8 ......it says unable to boot /usr & see 'svcs -x'
system goes into maintenance mode.........

any tips?

thanks

Jaya
 
You'll need to supply more information, there could be many reasons.

What does your vfstab contain now? How did you partition the disk? What did you restore on to it, and which slices did you restore it to?

Annihilannic.
 
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