Need to identify disk in zpool ... how?

Question

I need to replace a bad disk in a zpool on FreeNAS.

zpool status shows

gptid/5fe33556-3ff2-11e2-9437-f46d049aaeca  UNAVAIL      0     0     0  cannot open

How do I find the serial # of that disk?

More:

glabel status gives:

                                      Name  Status  Components
                             ufs/FreeNASs3     N/A  da0s3
                             ufs/FreeNASs4     N/A  da0s4
                    ufsid/4fa405ab96518680     N/A  da0s1a
                            ufs/FreeNASs1a     N/A  da0s1a
                            ufs/FreeNASs2a     N/A  da0s2a
gptid/5f3c0517-3ff2-11e2-9437-f46d049aaeca     N/A  ada1p2
gptid/60570005-3ff2-11e2-9437-f46d049aaeca     N/A  ada3p2
gptid/60ebeaa5-3ff2-11e2-9437-f46d049aaeca     N/A  ada4p2
gptid/a767b8ef-1c95-11e2-af4c-f46d049aaeca     N/A  ada6p2
gptid/61925b86-3ff2-11e2-9437-f46d049aaeca     N/A  ada9p2
gptid/4599731b-8f15-11e1-a14c-f46d049aaeca     N/A  ada10p2

I don't see gptid/5fe33556 in there.

And camcontrol devlist gives:

<Hitachi HDS723030BLE640 MX6OAAB0>  at scbus0 target 0 lun 0 (pass0,ada0)
<ST3000VX000-9YW166 CV13>          at scbus4 target 0 lun 0 (pass1,ada1)
<ST3000VX000-9YW166 CV13>          at scbus6 target 0 lun 0 (pass3,ada3)
<Hitachi HDS723030BLE640 MX6OAAB0>  at scbus7 target 0 lun 0 (pass4,ada4)
<ST3000DM001-9YN166 CC4C>          at scbus8 target 0 lun 0 (pass5,ada5)
<WDC WD30EZRX-00MMMB0 80.00A80>    at scbus8 target 1 lun 0 (pass6,ada6)
<WDC WD30EZRX-00MMMB0 80.00A80>    at scbus9 target 0 lun 0 (pass7,ada7)
<ST3000DM001-9YN166 CC4C>          at scbus9 target 1 lun 0 (pass8,ada8)
<Hitachi HDS723030BLE640 MX6OAAB0>  at scbus10 target 0 lun 0 (pass9,ada9)
<Hitachi HDS5C3030ALA630 MEAOA580>  at scbus11 target 0 lun 0 (pass10,ada10)
< USB Flash Memory 1.00>           at scbus12 target 0 lun 0 (pass11,da0)

Does that mean that ada2 is the bad disk?

UPDATE:

OK, I'm pretty sure that ada2 is the bad disk. And I have my notes, so I know which disk that is.

But it appears that I left a spare in there - ada0 - last time I was in the box. Can I replace ada2 with ada0 remotely? Until someone gets to the office?

Ouki · Answer 1 · 2024-08-23T13:04:41.273

To get a disk serial requires that it is running and available:

camcontrol identify <device> |grep ^serial (this might be (S)ATA specific)
smartctl -i <device> |grep ^Serial
reading the disk label once removed from the enclosure

In your case, I think the 3rd solution is the only available. So, Assuming you just want first identify the disk:

Try first a glabel status (as your drive is not shown as DOWN or REMOVED):

$ glabel status
gptid/c7868819-ddc1-11e2-8c3e-00138f3fd9c7     N/A  da0p1
gptid/c96da0bc-ddc1-11e2-8c3e-00138f3fd9c7     N/A  da2p1

You can see your partition with glabel status

Then you can easily identify the disk device name (ex: da0 for the gptid/c7868819-ddc1-11e2-8c3e-00138f3fd9c7 partition).

You can have a look at your system starting log from /var/log/messages (aka "dmesg"):

    $ dmesg | grep ^da0
    da0 at mps0 bus 0 scbus0 target 0 lun 0
    da0: <ATA ST3000DM001-1CH1 CC26> Fixed Direct Access SCSI-6 device
    da0: 600.000MB/s transfers
    da0: Command Queueing enabled
    da0: 2861588MB (5860533168 512 byte sectors: 255H 63S/T 364801C)

You cannot see your partition with glabel status

 $ camcontrol devlist
 <ATA ST3000DM001-1CH1 CC26>        at scbus0 target 0 lun 0 (pass0,da0)
 <ATA ST3000DM001-1CH1 CC26>        at scbus0 target 4 lun 0 (pass2,da2)

From there, you can easily spot which one is missing (da1 in this case), then have a look at dmesg to identify that disk.

So, no real solution here. I just hope that it help you see things a bit more clear.

To know more:

score 4 · Answer 2 · edited Aug 19 '18 at 01:30

#!/bin/sh
echo
echo $(basename $0) - Mounted Drives on $(hostname)
cat /etc/version
date
echo
diskinfo="$(glabel status | tail -n +2 | awk '{split($3,a,"p"); print a[1],$1}')"
echo    "+========+==========================+==================+============================================+"
echo "| Device |     DISK DESCRIPTION     |  SERIAL  NUMBER  |                   GPTID                    |"
echo "+========+==========================+==================+============================================+"

for d in $(echo "$diskinfo" | cut -d" " -f 1)
do
   diskinf=$(diskinfo -v $d | grep '# Disk ')
   diskdescription=$(echo "$diskinf" | grep '# Disk desc' | cut -d# -f 1 | xargs)
   diskserialno=$(echo "$diskinf" | grep '# Disk ident' | cut -d# -f 1 | xargs)
   diskgptid=$(echo "$diskinfo" | grep "^$d" | cut -d" " -f 2)
   printf "| %-6s | %-24s | %-16s | %-42s |\n" "$d" "$diskdescription"     "$diskserialno" "$diskgptid"
   echo "+--------+--------------------------+------------------+--------------------------------------------+"
done

source

score 1 · Answer 3 · answered Nov 04 '18 at 02:24

I made a script that lists all of the GPTID and associated hard drive serial number and device name.

#!/bin/bash

#Use smartctl to get Serial Number - else dmesg is used
USESMART=0
#save glabel status to temporary file
CACHEGLABEL=1

if  [ $CACHEGLABEL -eq 0 ]
then
GLCMD="glabel status"
else
GLTMP=/var/tmp/$0.glabel
glabel status > $GLTMP
GLCMD="cat $GLTMP"
fi

ADALOW=`ls /dev/ada[0-9] 2>/dev/null`
ADAHIGH=`ls /dev/ada[0-9][0-9] 2>/dev/null`
DALOW=`ls /dev/da[0-9] 2>/dev/null`
DAHIGH=`ls /dev/da[0-9][0-9] 2>/dev/null`
#check if all device nodes exist or skip
if  [[ $ADALOW == *ls* ]]
then
$DALOW=
fi
if  [[ $ADAHIGH == *ls* ]]
then
$ADAHIGH=
fi
if  [[ $DALOW == *ls* ]]
then
$DALOW=
fi
if  [[ $DAHIGH == *ls* ]]
then
$DAHIGH=
fi
for FILE in $ADALOW $ADAHIGH $DALOW $DAHIGH
do
DEV=${FILE##'/dev/'}
#echo -n "${DEV}: "
if  [ $USESMART -eq 0 ]
then
SERIAL=`grep $DEV: /var/log/dmesg.today |grep -i Serial | awk '{print $(NF)}'`
else
SERIAL=`smartctl -a $FILE | grep -i 'Serial Number'| awk '{print $(NF)}'`
fi
#this skips all ufs drives
GPTID=`$GLCMD |grep 2$ |grep ${DEV}p|cut -d' ' -f1`
if [ "${GPTID}x" == 'x' ]
then
GPTID="No GPTID"
fi
if [ "${SERIAL}x" == 'x' ]
then
$SERIAL="Not found"
fi
echo  ${DEV}: Serial $SERIAL \; GPTID=$GPTID
done

if  [ $CACHEGLABEL -eq 1 ]
then
rm $GLTMP
fi

score 0 · Answer 4 · answered Mar 12 '21 at 11:15

0

But it appears that I left a spare in there - ada0 - last time I was in the box. Can I replace ada2 with ada0 remotely? Until someone gets to the office?

Yes, zpool replace

answered Mar 12 '21 at 11:15

Dan Bolser

185

score 0 · Answer 5 · edited Aug 01 '16 at 06:54

0

You could try something like this. It worked for me:

devlist=$(sudo camcontrol devlist | awk ' { print $NF } ' | cut -f 2 -d , | sed 's/)//'g)

for device in $devlist; do sudo camcontrol identify $device | grep serial; done

that should output the entire list of serial numbers.

edited Aug 01 '16 at 06:54

HBruijn

84,206
24
145
224

answered Jul 31 '16 at 20:59

booboy

1

score -3 · Answer 6 · answered Apr 04 '14 at 21:26

-3

Assuming you need uuid of the particular disk on Linux based system you can get with:

ls -la /dev/disk/by-uuid/

or by fs label:

 ls -la /dev/disk/by-label/

or by hardware connectivity :

ls-la /dev/disk/by-path/

answered Apr 04 '14 at 21:26

vladeli

99
2

Need to identify disk in zpool ... how?

6 Answers6

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