Really great little script there -- thank you! I have saved for use in
my (Currently offline) fileserver :-)
Thanks,
T
On 3 November 2010 21:54, Phil Turmel <philip@xxxxxxxxxx> wrote:
> On 11/3/2010 2:13 PM, Nat Makarevitch wrote:
>> Hi,
>>
>> After a spindle (physical hard disk, a "drive") failure in a "md" RAID array,
>> how can we know which spindle must be replaced?
>>
>> We want to avoid extracting a working spindle by mistakenly thinking it is the
>> faulty one...
>
> I wrote a little script that would tell me device name and serial number for each host port on my motherboard, along with anything else that lists a scsi host in sysfs. ÂOutput like so:
>
> Controller device @ pci0000:00/0000:00:1c.1/0000:06:00.0 [ahci]
> ÂRAID bus controller: Marvell Technology Group Ltd. 88SE6145 SATA II PCI-E controller (rev a1)
> Â Âhost4: [Empty]
> Â Âhost5: /dev/sdd ATA WDC WD5000AAKS-7 {SN: WD-WMAWF1370668}
> Â Âhost6: [Empty]
> Â Âhost7: [Empty]
> Â Âhost8: [Empty]
> Controller device @ pci0000:00/0000:00:1f.1 [ata_piix]
> ÂIDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
> Â Âhost9: [Empty]
> Â Âhost10: [Empty]
> Controller device @ pci0000:00/0000:00:1f.2 [ahci]
> ÂSATA controller: Intel Corporation 82801GR/GH (ICH7 Family) SATA AHCI Controller (rev 01)
> Â Âhost0: /dev/sda ATA ST31000333AS {SN: 9TE1LTW0}
> Â Âhost1: /dev/sdb ATA ST31000333AS {SN: 9TE1MAJT}
> Â Âhost2: /dev/sdc ATA ST31000333AS {SN: 9TE1MV1R}
> Â Âhost3: /dev/sr0 HL-DT-ST BD-RE GBW-H20L
>
> Shows me my empty ports, too. ÂAs long as I keep my cables straight to my hot-swap bays, getting the right drive is a snap.
>
> HTH,
>
> Phil
>
> I hereby release the following script into the public domain:
>
> #! /bin/bash
> #
> # Examine specific system host devices to identify the drives attached
> #
>
> function describe_controller () {
> Â Â Â Âunset SUBSYSTEM PCI_ID DEVICE PCI_SLOT_NAME Manufacturer Product Serial
> Â Â Â Âeval `udevadm info --query=all --path="$1" |grep '^E: ' |cut -c 4-`
> Â Â Â Âecho "Controller device @ ${1##/sys/devices/} [$DRIVER]"
> Â Â Â Âif [[ -n "$PCI_SLOT_NAME" ]] ; then
> Â Â Â Â Â Â Â Âecho -e " Â`lspci -s $PCI_SLOT_NAME |cut -d\ Â-f2-`"
> Â Â Â Âfi
> Â Â Â Âif [[ "${MODALIAS:0:4}" == "usb:" ]] ; then
> Â Â Â Â Â Â Â Âeval `lsusb -D ${DEVICE/proc/dev/} |sed -r -n -e 's% *i(Manufacturer|Product|Serial) +[0-9]+ +(.+) *$%\1="\2"%;tFND;b;:FND;p'`
> Â Â Â Â Â Â Â Âecho -e " Â[$Manufacturer] $Product {SN: $Serial}"
> Â Â Â Âfi
> }
>
> function describe_device () {
> Â Â Â Âtarg=${1%/block/*}
> Â Â Â Âvnd="`cat $targ/vendor`"
> Â Â Â Âmdl=`cat $targ/model`
> Â Â Â Ârdev=`readlink -f "$1"`
> Â Â Â Âif [[ -d $rdev ]] ; then
> Â Â Â Â Â Â Â Âbdev="`basename $rdev`"
> Â Â Â Â Â Â Â Âsn="`sginfo -s /dev/$bdev |sed -r -n -e \"/Serial Number/{s%^.+' *(.+) *'.*\\\$%\\\\1%;p;q}\"`" &>/dev/null
> Â Â Â Â Â Â Â Âif [[ -n "$sn" ]] ; then
> Â Â Â Â Â Â Â Â Â Â Â Âecho -e " Â Â$bhost: `echo /dev/$bdev $vnd $mdl {SN: $sn}`"
> Â Â Â Â Â Â Â Âelse
> Â Â Â Â Â Â Â Â Â Â Â Âecho -e " Â Â$bhost: `echo /dev/$bdev $vnd $mdl`"
> Â Â Â Â Â Â Â Âfi
> Â Â Â Âelse
> Â Â Â Â Â Â Â Âecho -e " Â Â$bhost: Unknown $rdev"
> Â Â Â Âfi
> }
>
> function check_host () {
> Â Â Â Âlocal found=0
> Â Â Â Âlocal pController=
> Â Â Â Âwhile read shost ; do
> Â Â Â Â Â Â Â Âhost=`dirname "$shost"`
> Â Â Â Â Â Â Â Âcontroller=`dirname "$host"`
> Â Â Â Â Â Â Â Âbhost=`basename "$host"`
> Â Â Â Â Â Â Â Âif [[ "$controller" != "$pController" ]] ; then
> Â Â Â Â Â Â Â Â Â Â Â ÂpController="$controller"
> Â Â Â Â Â Â Â Â Â Â Â Âdescribe_controller "$controller"
> Â Â Â Â Â Â Â Âfi
> Â Â Â Â Â Â Â Âfor dev in $host/target*/*/block/* ; do
> Â Â Â Â Â Â Â Â Â Â Â Âif [[ "${dev: -1}" == '*' ]] ; then
> Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Âecho -e " Â Â$bhost: [Empty]"
> Â Â Â Â Â Â Â Â Â Â Â Âelse
> Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Âdescribe_device "$dev"
> Â Â Â Â Â Â Â Â Â Â Â Âfi
> Â Â Â Â Â Â Â Âdone
> Â Â Â Âdone
> }
>
> find /sys/devices/ -name scsi_host |check_host
>
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