HOw ASM 11g strips data?

Hi,
Suppose i have diskgroup with 50 disks having Coarse Stripping when a process try to write data into this group how ASM will strips its data?.
what anatolmy will asm follow to strip data? it will write on all disk at time? or just first 4 disk will consult and will write data when done with it than other 4 or 8 disks are consult? how be the process of data striping??.
Edited by: Asad99 on Mar 27, 2013 11:40 PM
Edited by: Asad99 on Mar 27, 2013 11:41 PM

Hi,
Yes it uses round robin style and ASM stripes files across all the disks within the disk group thus increasing performance, each stripe is called an ‘allocation unit’. ASM offers two types of stripping which is dependent on the type of database file
Coarse Stripping which is used for datafile, archive logs (1MB stripes)
Fine Stripping which is used for online redo logs, controlfile, flashback files(128KB stripes)

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Example_VI_BD.png ‏2 KB

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464F524D0A90582741494646434F4D4D000000120001000000000018400EAC44000000000000464C 4C5200000FC20000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0 0000000000000000000000000000000000000000000000000000000000000000000000000000000 0
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