Things You Do With a Modicum of Trepidation

There are 120 spindles downwind of this….drumroll please….

$ asmcmd
ASMCMD> ls
SDATA1/
SDATA2_1/
SDATA2_2/
SDATA2_3/
ASMCMD> rm -fr *
ASMCMD>

Eek!

In other news, I just learned that Greg Rahn is about to get his hands on a set of HP DL580 G5 (Tigerton goodies). I’d sure like to get Silly Little Benchmark numbers from that sweetheart of a system…wish in one hand, you-know-what in the other I suppose.

 

2 Responses to “Things You Do With a Modicum of Trepidation”


  1. 1 Reece Dike April 1, 2008 at 5:16 pm

    I noticed that you have 120 spindles. I am assuming that they are on a SAN and not directly attached. My question is do you let the SAN do the mirroring/stripping or do you let ASM do it?

    I have a clariion cx700. Each shelf will hold 15 drives. If I have 4 shelfs, 60 spindles, how do I lay them out for the best performance?

    I think it is a no brainer to let the san do the mirroring, so I can present 30 small logical drives to ASM.

    Or, I could mirror and strip two shelves presenting two huge drives to ASM.

    Or, a little of both, I could mirror and strip six drives from two shelves at a time to present 10 medium drives to ASM.

    In general, which do you recommend?

    Thanks,
    Reece

  2. 2 kevinclosson June 29, 2008 at 5:29 am

    Reece,

    I can’t talk about the storage involved in this little episode until OOW.


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