atactl

S.M.A.R.T. is a monitoring tool for hard disks. With NetBSD you can show the smart values using following command:

# atactl wd0 smart status
SMART supported, SMART enabled
id value thresh crit collect reliability description                    raw
  1 100    0     no  online  positive    Raw read error rate            2446
  4  98    0     no  online  positive    Start/stop count               2492
  5 253    9     yes online  positive    Reallocated sector count       0
  7 253   51     yes online  positive    Seek error rate                0
  8 253    0     no  offline positive    Seek time performance          0
  9  99    0     no  online  positive    Power-on hours count           1112403
 12  99    0     no  online  positive    Device power cycle count       1418
194 161    0     no  online  positive    Temperature                    53 Lifetime max/min 0/0
197 253    9     yes online  positive    Current pending sector         0
198 253    9     yes offline positive    Offline uncorrectable          0
199 100    0     no  online  positive    Ultra DMA CRC error count      0
200 100   51     yes online  positive    Write error rate               0
201 100   51     yes online  positive    Soft read error rate           0

smartctl

Another utility to monitor hard disks is smartctl. This utility is part of the sysutils/smartmontools package.

# cd /usr/pkgsrc/sysutils/smartmontools/
# make package

With smartctl you can show the smart values using following command:

# smartctl -s on /dev/sd0d
smartctl version 5.36 [i386--netbsdelf] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Informational Exceptions (SMART) enabled
Temperature warning enabled

# smartctl -a /dev/sd0d
smartctl version 5.36 [i386--netbsdelf] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Device: MAXTOR   ATLAS10K5_300WLS Version: HPM7
Serial number: J8033RSK
Device type: disk
Transport protocol: Parallel SCSI (SPI-4)
Local Time is: Sun Nov 18 19:39:10 2007 CET
Device supports SMART and is Enabled
Temperature Warning Enabled
SMART Health Status: OK

Current Drive Temperature:     47 C
Manufactured in week 05 of year 
Current start stop count:      1074003968 times
Recommended maximum start stop count:  1124401151 times
Elements in grown defect list: 0

Error counter log:
           Errors Corrected by           Total   Correction     Gigabytes    Total
               ECC          rereads/    errors   algorithm      processed    uncorrected
           fast | delayed   rewrites  corrected  invocations   [10^9 bytes]  errors
read:          0        0         0         0          0          0.000           0
write:         0        0         0         0          0          0.000           0

Non-medium error count:     1115

Last n error events log page
No self-tests have been logged
Long (extended) Self Test duration: 5760 seconds [96.0 minutes]

smartd

Smartd is a SMART Disk Monitoring Daemon (part of the smartmontools).

The data may be useful to detect defective or old hard drives.

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