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Operating Systems Solaris Boot disk crash with metadb config info Post 302605419 by Handon on Wednesday 7th of March 2012 11:13:56 AM
Old 03-07-2012
Boot disk crash with metadb config info

Hello all;

We have a SunFire V240 with three disks that were part of a metadb. One of those disks, the boot disk, experienced a horrible death Monday night and we're now trying to recover from that.

I know very little about metadb stuff, so please be gentle with me...

I'm assuming (yes, I know about assuming Smilie ) that the config files for the metadb were also on the boot disk. I reinstalled Solaris 10 on a new disk, but now am stuck as to how to create a new metadb without losing the data that is on two disks that were part of the old metadb.

I know that if I create a new metadb and connect the other two disks, the data on those disks will be lost, so I'm wondering if there's a way to do this without losing the data?

This is on a production system, so I'm really in the hot seat right now...
Please Help!!

Handon
 

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metaimport(1M)						  System Administration Commands					    metaimport(1M)

NAME
metaimport - imports disk sets into existing Solaris Volume Manager configurations SYNOPSIS
metaimport -s setname [-n] [-f] [-v] [disks]... metaimport -r [-v] [disks]... metaimport -V metaimport -? DESCRIPTION
The metaimport command allows the importing of disk sets, including replicated disk sets, into an existing Solaris Volume Manager configu- ration. Replicated disk sets are disk sets created using remote replication software. The default Solaris Volume Manager configuration specifies a maximum number of disk sets that can be configured. The metaimport command fails if importing the disk set would result in exceeding the number of disk sets configured on the system. To increase the number of disk sets allowed on a system, see the . Use metaset(1M) or metastat(1M) to view the configuration of the imported set. You must run metaimport as root. metaimport requires a functional Solaris Volume Manager configuration before it runs. OPTIONS
The following options are supported: -f Force the import, even if a quorum of replicas from the imported disk set is not available. This option could result in cor- rupt configurations and should only be used when metaimport fails with the "Insufficient quorum detected; exiting" error. If only a partial disk set is available, this option might be necessary to successfully import. Some or all data could be cor- rupted or unavailable when importing a partial set or a set lacking a replica quorum. -n Does not actually perform the operation, but shows the output or errors that would have resulted from the operation, had it been run. -r Report on the non-configured disk sets found on the system. If no disk device or LUN is specified, metaimport reports on all non-configured disk sets attached to the system. When the name of one disk is specified, metaimport reports on the disk set (or virtual LUN) containing the specified disk. If two or more disks are specified, metaimport reports on the set (or sets, if they belong to different disk sets) containing the specified disks. If two or more disks are specified, metaimport reports on the set (or sets, if they belong to different disk sets) containing the specified disks. This option can be used in conjunction with the -v option to give verbose output on each disk set reported. -s setname Specify the disk set name to use when importing. The imported disk set will be called setname, without regard to the name it may have had on a different system. -v Verbose. Provides detailed information about the metadb replica location and status. It also provides detailed information about the disk set configuration and status similar to the "metastat -c" output. -V Version information. -? Display a help message. EXAMPLES
Example 1 Importing a Disk Set The following example creates a disk set called blue and identifies c1t5d0 as a disk containing a state database replica from the disk set being imported. # metaimport -s blue c1t5d0 Example 2 Reporting Disk Sets to Import The following example scans all disks and LUNs attached to the system and configured as part of the system. It scans for disks that could be part of a disk set to be imported. Components that are already part of the Solaris Volume Manager configuration are ignored. This use of metaimport provides suggested forms of the metaimport command to use to actually import the disk sets that have been found. You can specify a component on the command line to reduce the scope of the scan and generate results more quickly. # metaimport -r EXIT STATUS
0 Successful completion. >0 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWmdu | +-----------------------------+-----------------------------+ |Interface Stability |Stable | +-----------------------------+-----------------------------+ SEE ALSO
mdmonitord(1M), metaclear(1M), metadb(1M), metadetach(1M), metahs(1M), metainit(1M), metaoffline(1M), metaonline(1M), metaparam(1M), metarecover(1M), metareplace(1M), metaroot(1M), metaset(1M), metastat(1M), metasync(1M), metattach(1M), md.tab(4), md.cf(4), mddb.cf(4), attributes(5) SunOS 5.11 28 Oct 2005 metaimport(1M)
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