Weird RAID behavior

[IBM_THINKPAD_R51]

So i found out about this program called HDtune, and it scans across the surface of a disk and tells you the performance as the head goes from the inside to the outside of the disk

 

i thought i should try that on a raid that i have

 

4 600GB 15K RPM SAS drives Raid 1+0

 

so the low access time is pretty explainable, but whats with the wonky graph?

 

does the Raid controller make some disks go outside - in and inside -out for performance or something???

[Guest]

Gosh I havent seen HDTune being used in quite a long time. 

 

Have you tried the software from the manufacturer of the drives or any other software utilities?

[IBM_THINKPAD_R51]

1 minute ago, ShrimpBrime said:

Gosh I havent seen HDTune being used in quite a long time. 

 

Have you tried the software from the manufacturer of the drives or any other software utilities?

the whole point of the software is the fact that it shows the performance across the disk platter, there isnt really anything else out there like this

[Guest]

2 minutes ago, IBM_THINKPAD_R51 said:

the whole point of the software is the fact that it shows the performance across the disk platter, there isnt really anything else out there like this

Yeah.... sure there is. The old Crystal Disk mark is one example. I'm sure theres a fist full more. 

[Slayerking92]

You would need to break the RAID and test each disk individually. There is no "inside" or "outside" with 4 different drives.

[IBM_THINKPAD_R51]

1 minute ago, Slayerking92 said:

You would need to break the RAID and test each disk individually. There is no "inside" or "outside" with 4 different drives.

no way, id lose data

[LogicalDrm]

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