VxVM DG Disabled

During a recent SAN maintenance, we ran into an issue on a few hosts that
were unfortunately single pathed to the SAN and lost connectivity to it.
The SAN-presented disk devices were under Veritas Volume Manager (VxVM)
control which started to present I/O errors as a result and displayed

Mounting an SVM Root Disk from CDROM

The following illustrates how to mount a root disk under Solaris Volume
Manager (SVM) control when booted from a CDROM.  Our host details:

        HOST:                   snorkle

Reassociating a Failed Disk in Veritas

Recently we had a situation wherein Vertias Volume Manager (VxVM)
marked a disk as 'failed' while additionally presenting the disk
available for use though unconfigured.  The weird part was that VxVM
continued to allow use of the volume until the volume was stopped.

Creating a Mirrored Volume with Geom (FreeBSD)

INTRO

While it's not uncommon to find a Solaris host with some sort of RAID
configuration in place, within some environments, RAID configurations

ZFS Pool and FS Creation

Volume and file system management are traditionally separate affairs,
being created and maintained individually of one another.  With Sun's
ZFS, the line between the two become blurred.  As a brief understanding,
a 'zpool' can be generically considered a volume, comprised of multiple

Recovering from a corrupted ext3 journal

Occasionally, an EXT3 volume's journal will become corrupted.  When
this occurs, Linux will proactively remount the volume in question as
read-only in attempt to stave off further data corruption, loss, etc.
When the volume is remounted r/o, lines similar to the following can be