Robert Heller wrote:
Use '/sbin/mdadm --detail /dev/md<mumble>' and note the drive name (/dev/sd<mumble> for SCSI or SATA, and /dev/hd<mumble> for IDE).
Then '/usr/sbin/smartctl -A <drive name from mdadm's listing>'
/usr/sbin/smartctl will give you lots of information. Near the beginning is the serial number.
You *should* be running smartd and you *should* be enabling all of your disks to be monitored with smartd.
# smartctl -A /dev/sda smartctl version 5.38 [i686-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/
Current Drive Temperature: 27 C Drive Trip Temperature: 68 C Elements in grown defect list: 0 Vendor (Seagate) cache information Blocks sent to initiator = 3037412440 Blocks received from initiator = 3755531488 Blocks read from cache and sent to initiator = 861510971 Number of read and write commands whose size <= segment size = 3430618702 Number of read and write commands whose size > segment size = 73308725 Vendor (Seagate/Hitachi) factory information number of hours powered up = 33496.25 number of minutes until next internal SMART test = 12
doesn't seem to say anything about serial to me.
OH! -i is required.
# smartctl -i -A /dev/sda smartctl version 5.38 [i686-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/
Device: SEAGATE ST373207LC Version: 0003 Serial number: 3XXXXXXXXXXXXXXXXXXXX Device type: disk Transport protocol: Parallel SCSI (SPI-4) Local Time is: Mon Nov 2 19:12:25 2009 PST Device supports SMART and is Enabled Temperature Warning Enabled Current Drive Temperature: 27 C Drive Trip Temperature: 68 C Elements in grown defect list: 0 Vendor (Seagate) cache information Blocks sent to initiator = 3037412672 Blocks received from initiator = 3755693456 Blocks read from cache and sent to initiator = 861510971 Number of read and write commands whose size <= segment size = 3430623987 Number of read and write commands whose size > segment size = 73308751 Vendor (Seagate/Hitachi) factory information number of hours powered up = 33496.28 number of minutes until next internal SMART test = 10