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List: illumos-discuss
Subject: [discuss] replace faulted disk, sas device disappears from cfgadm
From: "Gabriele Bulfon" <gbulfon () sonicle ! com>
Date: 2016-03-31 17:49:08
Message-ID: 8214296.53.1459446548382.JavaMail.sonicle () www
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Hi,
I'm having a strange issue on a Supermicro with Adaptec + 5 SAS in a raidz2 \
configuration. Here's my story...
Initially I justa had to add RAM to the system, so we halted the system, added RAM, \
booted. Just after boot when the zpool starts working, one of the disks emit the \
error sound, and the zpool place it in FAULTED state. The disk shows the errer on \
with a nice red led. I try to just remove and insert again, it reaches the green \
state. So I just force the online state of the dev on the pool : few seconds and \
again the sound, again in FAULTED state. I find the new disk replacement: it' s not \
the same manufacturer (HITACHI), it's a TOSHIBA, but said to be completely compatible \
for hardware raids, so I assume it will be fine for a software managed raidz2.
Put in place, and expect to see the device with format.
I find it with format, but it does not see the type of disk (geometry and so on), so \
I try to play with cfgadm unconfigure, receiveing I/O errors. I read around that \
something is still keeping the old device around. So I run the zpool offline dev, to \
let it be free. Infact cfgadm unconfigure reaches the prompt with no errors.
I happily run again the cfgadm configure, getting different I/O errors.
Here I try with a devfsadm -Cv............zap! The device is gone! Not even on \
cfgadm! I try to remove, place back, no way....it's gone....
I cannot shut again the machine, so I will do it tonight and see if the device comes \
back. Will I be lucky??? What's happened??
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: 12;">Hi,</div><div \
style="font-family: Arial; font-size: 12;"><br /></div><div style="font-family: \
Arial; font-size: 12;">I'm having a strange issue on a Supermicro with Adaptec + \
5 SAS in a raidz2 configuration.</div><div style="font-family: Arial; font-size: \
12;"><br /></div><div style="font-family: Arial; font-size: 12;">Here's my \
story...</div><div style="font-family: Arial; font-size: 12;"><br /></div><div \
style="font-family: Arial; font-size: 12;">Initially I justa had to add RAM to the \
system, so we halted the system, added RAM, booted.</div><div style="font-family: \
Arial; font-size: 12;">Just after boot when the zpool starts working, one of the \
disks emit the error sound, and the zpool place it in FAULTED state.</div><div \
style="font-family: Arial; font-size: 12;">The disk shows the errer on with a nice \
red led.</div><div style="font-family: Arial; font-size: 12;"><br /></div><div \
style="font-family: Arial; font-size: 12;">I try to just remove and insert again, it \
reaches the green state.</div><div style="font-family: Arial; font-size: 12;">So I \
just force the online state of the dev on the pool : few seconds and again the sound, \
again in FAULTED state.</div><div style="font-family: Arial; font-size: 12;"><br \
/></div><div style="font-family: Arial; font-size: 12;">I find the new disk \
replacement: it' s not the same manufacturer (HITACHI), it's a TOSHIBA, but \
said to be completely compatible for hardware</div><div style="font-family: Arial; \
font-size: 12;">raids, so I assume it will be fine for a software managed \
raidz2.</div><div style="font-family: Arial; font-size: 12;"><br /></div><div \
style="font-family: Arial; font-size: 12;">Put in place, and expect to see the device \
with format.</div><div style="font-family: Arial; font-size: 12;">I find it with \
format, but it does not see the type of disk (geometry and so on), so I try to play \
with cfgadm unconfigure, receiveing I/O errors.</div><div style="font-family: Arial; \
font-size: 12;">I read around that something is still keeping the old device \
around.</div><div style="font-family: Arial; font-size: 12;">So I run the zpool \
offline dev, to let it be free.</div><div style="font-family: Arial; font-size: \
12;">Infact cfgadm unconfigure reaches the prompt with no errors.</div><div \
style="font-family: Arial; font-size: 12;"><br /></div><div style="font-family: \
Arial; font-size: 12;">I happily run again the cfgadm configure, getting different \
I/O errors.</div><div style="font-family: Arial; font-size: 12;">Here I try with a \
devfsadm -Cv............zap! The device is gone! Not even on cfgadm!</div><div \
style="font-family: Arial; font-size: 12;">I try to remove, place back, no \
way....it's gone....</div><div style="font-family: Arial; font-size: 12;"><br \
/></div><div style="font-family: Arial; font-size: 12;">I cannot shut again the \
machine, so I will do it tonight and see if the device comes back.</div><div \
style="font-family: Arial; font-size: 12;"><br /></div><div style="font-family: \
Arial; font-size: 12;">Will I be lucky??? What's happened??<br /><br \
/>Gabriele</div><div style="font-family: Arial; font-size: 12;"><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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