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List: illumos-discuss
Subject: [discuss] Urgent help on raid zpool on adaptec controller
From: "Gabriele Bulfon" <gbulfon () sonicle ! com>
Date: 2016-04-26 14:44:22
Message-ID: 25274332.8.1461681862051.JavaMail.sonicle () www
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Hi,
I'm having big issues on a cloud server running many zones and deamons.
The ones having problem are only the ones on the sas raidz pool running on an adaptec \
controller: from time to time during the day, all the zones start to slow down, \
sometimes up to a state of no return, hard to kill processes, hard to shutdown zones, \
hard to reset the entire machine. At last, I discovered that zones running on rpool \
(the sata mirror) always respond fast, so now I know the problem is on the raidz \
pool. What happened, some weeks ago I had to replace one of the raidz disks, and once \
replaced I discoverd that the disks ar not in jbod mode, but as single adaptec \
volumes. So I decided this was an opportunity to change the radiz to jbod, starting \
to set the new disk in jbod mode, and then replaced the faulted disk with the new \
jbod on the same channel. It worked.
I wanted to do the same on the other disk, week by week, transforming the entire pool \
into a jbod pool, but I had no time. Now, after some weeks, the problem came out as \
stated above, so my questions: 1- is it bad to have a radiz with 4 adaptec volumes \
and one jbod? 2- if one of the disks is faulty, how can I find wich one and detach \
it? Only a long scrub? Will it impact the running machine? 3- if the controller has \
problems how can I detect it? 4- if I want to replace the controller, can I move the \
disks to an LSI even if they were in volume mode mixed with jbod? will the zpool be \
imported? Thanks for any idea....
Gabriele
----------------------------------------------------------------------------------------
Sonicle S.r.l.
>
http://www.sonicle.com
Music:
http://www.gabrielebulfon.com
Quantum Mechanics :
http://www.cdbaby.com/cd/gabrielebulfon
-------------------------------------------
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<html><html><div style="font-family: Arial; font-size: 13;">Hi,</div><div \
style="font-family: Arial; font-size: 13;"><br /></div><div style="font-family: \
Arial; font-size: 13;">I'm having big issues on a cloud server running many zones \
and deamons.</div><div style="font-family: Arial; font-size: 13;">The ones having \
problem are only the ones on the sas raidz pool running on an adaptec controller: \
from time to time during</div><div style="font-family: Arial; font-size: 13;">the \
day, all the zones start to slow down, sometimes up to a state of no return, hard to \
kill processes, hard to shutdown zones,</div><div style="font-family: Arial; \
font-size: 13;">hard to reset the entire machine.</div><div style="font-family: \
Arial; font-size: 13;"><div>At last, I discovered that zones running on rpool (the \
sata mirror) always respond fast, so now I know the problem is on the raidz \
pool.</div><div><br /></div><div>What happened, some weeks ago I had to replace one \
of the raidz disks, and once replaced I discoverd that the disks ar not</div><div>in \
jbod mode, but as single adaptec volumes.</div><div>So I decided this was an \
opportunity to change the radiz to jbod, starting to set the new disk in jbod mode, \
and then replaced</div><div>the faulted disk with the new jbod on the same \
channel.</div><div>It worked.</div><div>I wanted to do the same on the other disk, \
week by week, transforming the entire pool into a jbod pool, but I had no \
time.</div><div><br /></div><div>Now, after some weeks, the problem came out as \
stated above, so my questions:</div><div>1- is it bad to have a radiz with 4 adaptec \
volumes and one jbod?</div><div>2- if one of the disks is faulty, how can I find wich \
one and detach it? Only a long scrub? Will it impact the running \
machine?</div><div>3- if the controller has problems how can I detect \
it?</div><div>4- if I want to replace the controller, can I move the disks to an LSI \
even if they were in volume mode mixed with jbod? will the zpool be \
imported?</div><div><br /></div><div>Thanks for any idea....</div><div><br \
/></div><div>Gabriele</div><div><br /></div></div><div style="font-family: Arial; \
font-size: 13;"><br /><div id="wt-mailcard"><div style="font-family: \
Arial;">----------------------------------------------------------------------------------------<br \
/></div><div style="font-family: Arial;"><b>Sonicle S.r.l. </b>: <a \
href="http://www.sonicle.com/" target="_new">http://www.sonicle.com</a></div><div \
style="font-family: Arial;"><b>Music: </b><a href="http://www.gabrielebulfon.com/" \
target="_new">http://www.gabrielebulfon.com</a></div><div style="font-family: \
Arial;"><b>Quantum Mechanics : </b><a href="http://www.cdbaby.com/cd/gabrielebulfon" \
target="_new">http://www.cdbaby.com/cd/gabrielebulfon</a></div></div></div></html><div \
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