往使用了17T的DG中添加2个1.5T的LUN,共耗时3小时

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标题:往使用了17T的DG中添加2个1.5T的LUN,共耗时3小时

作者:Lunar©版权所有[文章允许转载,但必须以链接方式注明源地址,否则追究法律责任.]

当前使用了28块800G的SAS SSD。

昨晚,往使用了17T的DG中添加2个1.5T的LUN,从开始到ASM rebalance完成,总共耗时3小时(以前测试的Exadata 1/4配置,加载纯LOB对象,也是1小时1T,当时也感觉很震撼……),速度很快啊,记录一下,O(∩_∩)O哈哈~:

[grid@lunardb1 ~]$ asmcmd
ASMCMD> lsdg
State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
MOUNTED  EXTERN  N         512   4096  1048576   3072390  2803853                0         2803853              0             N  ARCHDG/
MOUNTED  EXTERN  Y         512   4096  1048576  23040000  4766148                0         4766148              0             N  DATA/
MOUNTED  EXTERN  N         512   4096  1048576      3072     2676                0            2676              0             Y  OCR_VOTE/
MOUNTED  EXTERN  N         512   4096  1048576    614400   614183                0          614183              0             N  REDODG/
ASMCMD> exit

Thu Sep 25 18:42:33 2014
SQL> ALTER DISKGROUP DATA ADD  DISK '/dev/lunardatalun14' SIZE 1536000M ,
'/dev/lunardatalun15' SIZE 1536000M /* ASMCA */ 
NOTE: GroupBlock outside rolling migration privileged region
NOTE: Assigning number (2,13) to disk (/dev/lunardatalun14)
NOTE: Assigning number (2,14) to disk (/dev/lunardatalun15)
NOTE: requesting all-instance membership refresh for group=2
NOTE: initializing header on grp 2 disk DATA_0013
NOTE: initializing header on grp 2 disk DATA_0014
NOTE: requesting all-instance disk validation for group=2
Thu Sep 25 18:42:37 2014
NOTE: skipping rediscovery for group 2/0x5ffb2459 (DATA) on local instance.
NOTE: requesting all-instance disk validation for group=2
NOTE: skipping rediscovery for group 2/0x5ffb2459 (DATA) on local instance.
NOTE: initiating PST update: grp = 2
Thu Sep 25 18:42:41 2014
GMON updating group 2 at 17 for pid 27, osid 97661
NOTE: PST update grp = 2 completed successfully 
NOTE: membership refresh pending for group 2/0x5ffb2459 (DATA)
GMON querying group 2 at 18 for pid 18, osid 85811
NOTE: cache opening disk 13 of grp 2: DATA_0013 path:/dev/lunardatalun14
NOTE: cache opening disk 14 of grp 2: DATA_0014 path:/dev/lunardatalun15
NOTE: Attempting voting file refresh on diskgroup DATA
GMON querying group 2 at 19 for pid 18, osid 85811
SUCCESS: refreshed membership for 2/0x5ffb2459 (DATA)
Thu Sep 25 18:42:45 2014
SUCCESS: ALTER DISKGROUP DATA ADD  DISK '/dev/lunardatalun14' SIZE 1536000M ,
'/dev/lunardatalun15' SIZE 1536000M /* ASMCA */
NOTE: starting rebalance of group 2/0x5ffb2459 (DATA) at power 1
Starting background process ARB0
Thu Sep 25 18:42:45 2014
ARB0 started with pid=40, OS id=97872 
NOTE: assigning ARB0 to group 2/0x5ffb2459 (DATA) with 1 parallel I/O
Thu Sep 25 18:42:48 2014
NOTE: Attempting voting file refresh on diskgroup DATA
Thu Sep 25 19:15:00 2014
SQL> alter diskgroup data rebalance power 11 
NOTE: GroupBlock outside rolling migration privileged region
Thu Sep 25 19:15:00 2014
NOTE: stopping process ARB0
NOTE: rebalance interrupted for group 2/0x5ffb2459 (DATA)
NOTE: requesting all-instance membership refresh for group=2
NOTE: membership refresh pending for group 2/0x5ffb2459 (DATA)
Thu Sep 25 19:15:07 2014
GMON querying group 2 at 20 for pid 18, osid 85811
SUCCESS: refreshed membership for 2/0x5ffb2459 (DATA)
SUCCESS: alter diskgroup data rebalance power 11
NOTE: starting rebalance of group 2/0x5ffb2459 (DATA) at power 11
Starting background process ARB0
Thu Sep 25 19:15:07 2014
ARB0 started with pid=28, OS id=111465 
NOTE: assigning ARB0 to group 2/0x5ffb2459 (DATA) with 11 parallel I/Os
Thu Sep 25 19:15:15 2014
NOTE: Attempting voting file refresh on diskgroup DATA
Thu Sep 25 20:30:47 2014
NOTE: GroupBlock outside rolling migration privileged region
NOTE: requesting all-instance membership refresh for group=2
Thu Sep 25 20:30:50 2014
NOTE: membership refresh pending for group 2/0x5ffb2459 (DATA)
Thu Sep 25 20:30:53 2014
GMON querying group 2 at 21 for pid 18, osid 85811
SUCCESS: refreshed membership for 2/0x5ffb2459 (DATA)
NOTE: Attempting voting file refresh on diskgroup DATA
Thu Sep 25 21:45:28 2014
NOTE: stopping process ARB0
SUCCESS: rebalance completed for group 2/0x5ffb2459 (DATA)

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往使用了17T的DG中添加2个1.5T的LUN,共耗时3小时》有 1 条评论

  1. 天堂 说:

    rebalance的速度,是和dg中的数据文件大小有关还是和segment对象的大小有关? 求指导!

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