On Fri, 22 May 2015, Gary Pitman wrote:
I have recently been handed a couple storage systems and an HPC that
was built by some guys who took off for "greener" pastures. I am new
to ZFS and gmultipath and have a few questions if anyone is willing
to help.
For starters, I have a couple failed disks so I am trying to wrap my
head around the entire system before I go ripping disks out.
I have a single pool called array that contains 8 raidz sets. When i
run "zpool status" i get output about the pool and the raid sets.
They are labelled raidz3-0, raidz3-1, raidz3-2..., and I assume that
those are labels and not definitive proof that the set is raidz3.
When I run "zpool list -v array", each set has the same title of
"raidz3"
Question: Is the output of "zpool list -v array" the definitive
proof that it is raidz3 or is that just another label?
A snippet of "zpool status" shows for example:
array DEGRADED 0 0 0
raidz3-0 ONLINE 0 0 0
[... lots of disks skipped ...]
raidz3-1 DEGRADED 0 0 0
[... lots of disks skipped ...]
I don't have access to a FreeBSD system right now, but on a OmniOS
machine, what you're seeing would mean
* the name of the pool is "array"; that is, "array" is a proper
noun. :-)
* the appearance of raidz3-0 and raidz3-1 means that you have
two raidz3 disk arrays within "array"
Try "zpool list -v array"; that might clear things up a bit.
Question 2: One of the failed disks showing at the bottom there, but
should I be alarmed by some of the disks being displayed as
multipath/diskXXp1 instead of a gptid address?
Someone else will have to chime in here.
--
Paul Heinlein
heinl...@madboa.com
45°38' N, 122°6' W
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