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发表于 2012-02-24 10:15 |只看该作者 |倒序浏览

都是sas 300g

第一个：读写速度快，查询到的如下

[root@localhost ~]# smartctl -a /dev/sda
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Device: SEAGATE  ST3300657SS    Version: ES64
Serial number: 6SJ26AD2
Device type: disk
Transport protocol: SAS
Local Time is: Fri Feb 24 09:45:15 2012 CST
Device supports SMART and is Enabled
Temperature Warning Disabled or Not Supported
SMART Health Status: OK

Current Drive Temperature:    31 C
Drive Trip Temperature:       68 C
Elements in grown defect list: 0
Vendor (Seagate) cache information
  Blocks sent to initiator = 179123923
  Blocks received from initiator = 1209259343
  Blocks read from cache and sent to initiator = 1965140
  Number of read and write commands whose size <= segment size = 25895557
  Number of read and write commands whose size > segment size = 0
Vendor (Seagate/Hitachi) factory information
  number of hours powered up = 4932.70
  number of minutes until next internal SMART test = 8

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: 4934325       0       0 4934325 4934325       85.711          0
write:       0       0       0       0       0       628.018          0
verify: 66852       0       0    66852    66852       6.000          0

Non-medium error count:    19

SMART Self-test log
Num  Test             Status                segment  LifeTime  LBA_first_err [SK ASC ASQ]
   Description                            number (hours)
# 1  Background short  Completed                16    4                - [- - -]
# 2  Background long Completed                16    1                - [- - -]
# 3  Background short  Completed                16    0                - [- - -]

Long (extended) Self Test duration: 3200 seconds [53.3 minutes]

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发表于 2012-02-24 10:16 |只看该作者

第二块：读写速度大大不如第一块

[root@hello ~]# smartctl -a /dev/sda
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Device: SEAGATE  ST3300657SS    Version: ES65
Serial number: 6SJ4C1XA
Device type: disk
Transport protocol: SAS
Local Time is: Fri Feb 24 17:54:38 2012 CST
Device supports SMART and is Enabled
Temperature Warning Disabled or Not Supported
SMART Health Status: OK

Current Drive Temperature:    30 C
Drive Trip Temperature:       68 C
Elements in grown defect list: 0
Vendor (Seagate) cache information
  Blocks sent to initiator = 55818752
  Blocks received from initiator = 78517572
  Blocks read from cache and sent to initiator = 776518
  Number of read and write commands whose size <= segment size = 266089
  Number of read and write commands whose size > segment size = 0
Vendor (Seagate/Hitachi) factory information
  number of hours powered up = 30.07
  number of minutes until next internal SMART test = 48

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:    852440       0       0 852440    852440       25.579          0
write:       0       0       0       0       0       40.248          0
verify: 84930       0       0    84930    84930       3.000          0

Non-medium error count:       0

SMART Self-test log
Num  Test             Status                segment  LifeTime  LBA_first_err [SK ASC ASQ]
   Description                            number (hours)
# 1  Background long Completed                32    1                - [- - -]
# 2  Background short  Completed                32    0                - [- - -]

Long (extended) Self Test duration: 3200 seconds [53.3 minutes]