How to reattach a mirror? Post: 302747131

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Operating Systems Solaris How to reattach a mirror? Post 302747131 by brownwrap on Thursday 20th of December 2012 04:45:58 PM

12-20-2012

Registered User

The problem I have, and I did look at what you offered yesterday, is since the reloading of the OS, there are no databases and I don't know how to recover them, though:

metadb there are no existing databases

---------- Post updated at 03:36 PM ---------- Previous update was at 03:34 PM ----------

Quote:

Originally Posted by brownwrap

I do know that the databases is on slice7 of the disk, just don't know how to recover it.

---------- Post updated at 04:45 PM ---------- Previous update was at 03:36 PM ----------

OK, I figured it out. First remember the databases were on slice7, I found a note that said you can look for them using

Code:

metadb -a /dev/dsk/c1t2d0s7
d40: Submirror of d30
    State: Needs maintenance
    Invoke: metasync d30
    Size: 49160256 blocks (23 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t2d0s0          0     No            Okay   Yes


d50: Submirror of d30
    State: Needs maintenance
    Invoke: metasync d30
    Size: 49160256 blocks (23 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t3d0s0          0     No            Okay   Yes

That told me there were databases.

Next I did metasync

Code:

metasync d30
metasync d31

Some of the mirrors were gone because I had mirrors on the now root disk. But after running the metasync, I was now able to mount the old mirros.

brownwrap

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LEARN ABOUT SUNOS

root_archive

root_archive(1M)														  root_archive(1M)

NAME

       root_archive - manage bootable miniroot archives

SYNOPSIS

       /boot/solaris/bin/root_archive  pack  archive root

       /boot/solaris/bin/root_archive  unpack  archive root

       /boot/solaris/bin/root_archive  packmedia  solaris_image root

       /boot/solaris/bin/root_archive  unpackmedia  solaris_image root

       The  root_archive  utility is used to manage bootable miniroot archives and is currently only available on  platforms. The utility can pack
       and unpack boot/root archives in both ufs and hsfs (iso9660) format. It will always generate ufs archives.

       root_archive also uses the lofi file driver to export a file as a block device (see lofi(7D)) and mount to mount or  unmount  file  systems
       and remote resources (see mount(1M)). root_archive requires the same privileges that are needed to run these commands.

SUBCOMMANDS

       The root_archive command has the following subcommands:

       pack archive root

	   Pack from the image found under the root directory to the archive.

       unpack archive root

	   Unpack from the archive to an unpacked image under the root directory.

       packmedia solaris_image root

	   Pack the solaris image to the root directory.

       unpackmedia solaris_image root

	   Unpack the solaris image from the root directory.

       For  packmedia  and  unpackmedia,  other items that do not go into the ramdisk image are copied or uncopied (see cpio(1)) as well. Specifi-
       cally, this includes all the packaging databases needed for pkgadd and the other packaging utilities to succeed which are not used  in  the
       running and hence pruned to conserve memory.

EXAMPLES

       Example 1: Unpacking the Solaris x86 install image

       The following command unpacks the current Solaris image from the root directory:

       # root_archive unpackmedia 
       /export/nv/solarisdvd.nvx_dvd/latest /export/Boot

       Where  /export/nv/solarisdvd.nvx_dvd/latest  represents	a path to a Solaris x86 install image and /export/Boot is a directory that will be
       purged or created, as necessary.

       Example 2: Packing the Solaris x86 install image

       The following command packs the current Solaris image to the root directory:

       # root_archive packmedia 
       /export/nv/solarisdvd.nvx_dvd/latest /export/Boot

       The following exit values are returned:

       0

	   The command completed successfully.

       1

	   The command exited due to an error.

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Stable			   |
       +-----------------------------+-----------------------------+

       cpio(1), bootadm(1M), mount(1M), attributes(5), lofi(7D)

								    26 Sep 2005 						  root_archive(1M)