From: HRISHIKESH KULKARNI (hrk007@yahoo.com)
Date: Fri Oct 08 2004 - 16:18:31 EDT
Hi Folks,
We have a E45K with two internal disks. These two
internal disks are mirrored with veritas but the file
system used is still UFS.
We have three disk arrays connected in daisy chain to
this E45K. Its been determined that one of the
internal disks (more specifically disk 0 the primary
boot disk) has gone bad.We have a replacement disk and
can install OS and other things on it. However before
doing that needed to know if there is any way we can
recover the data on the logical volumes created on
those three external disk arrays(they are SUN STORDGE
A5200) . Firstly would it be possible to mount the
existing logical volumes on this new internal
disk(i.e.make entries in vfstab so they are mounted at
boot) with a new installation of Solaris OS and
veritas on this new internal disk.Note these logical
volumes on the disk arrays are RAID-1 volumes created
using veritas but still use UFS as the file system
My guess is the configuration data for the logical
volumes is stored on the internal disk and hence if
internal disk is replaced, the new internal disk
having a fresh veritas installation doesnt have any
way to understand the raid-1 configuration of the
volumes on the storage arrays , unless of course the
configuration information is stored on the volumes on
the disk arrays themselves and can be read and hence
can be read of the new veitas volume manger from
there(just like a Windows OS would read any old NTFS
disk from another system or a Linux OS would ready any
ext3 formatted disk from anotehr Linux system)
Thanking in advance,
Regards,
Hrishi.
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