From: manoj ghag (manojghag@rediffmail.com)
Date: Sun Jul 11 2004 - 09:28:45 EDT
Hi, Managers
I have Solaris Disk Suite and in that I have configured the
mirror of two Slices c0t1d0s0 c0t2d0s0 ( each of size 14 GB)
with following
command
metadb -a -c4 c0t1d0s0 c0t2d0s0
metainit d21 1 1 c0t1d0s1
d21:
Concat/Stripe is setup
metainit d22 1 1 c0t2d0s1
d22: Concat/Stripe is setup
metainit d20 -m d21
metattach d20 d22
Then I started using that for storing
data , But some how there is some problem in c0t2d0s0,, and I am getting error
that disk partition error and my mata partition is not able to mount at the
boot time .. it gave me Error message
WARNING: md: d22: /dev/dsk/c0t2d0s1
needs maintenance
checking ufs filesystems
/dev/md/rdsk/d20: (NO WRITE ACCESS)
/dev/md/rdsk/d20: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
/dev/rdsk/c0t0d0s5: is clean.
/dev/rdsk/c0t0d0s4: is clean.
THE FOLLOWING FILE
SYSTEM(S) HAD AN UNEXPECTED INCONSISTENCY: /dev/md/rdsk/d20 (/db20)
---------
Before:
-----------
#######
# d20 # = 4 GB
available ( 4GB + 4GB mirrored).
#######
/ \
/ \
####### #######
# d21 # # d22 #
#######
#######
-------------
After:
-----------
#######
# d20 # = 14
GB STILL available ( 4GB not mirrored).
#######
/
/
####### #######(Disk is not accessibal, hardware failure occurs )
# d21 #
# d22 #
####### #######
------------------------------------------------
My Metadb output is as follows
-------------------------------------------------
bash-2.03# metadb
flags
first blk block count
a m pc lu 16 1034
/dev/dsk/c0t1d0s0
a pc l 1050 1034
/dev/dsk/c0t1d0s0
a pc l 2084 1034
/dev/dsk/c0t1d0s0
a pc l 3118 1034
/dev/dsk/c0t1d0s0
M pc unknown unknown
/dev/dsk/c0t2d0s0
M pc unknown unknown
/dev/dsk/c0t2d0s0
M pc unknown unknown
/dev/dsk/c0t2d0s0
M pc unknown unknown
/dev/dsk/c0t2d0s0
Now is there any why by which I can mount this partition
with data present on my other disk (c0t1d0s0 ) , so that I can
recover my
data and start the normal working with one disk ( in place of two disk)...
where do i need to do changes for the same ?
Is it really possible to recover
my all data from on disk which is functioning properly ?
Is it spossibel to
recover the data which i have on d21 (c0t1d0s0) ??
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