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Optimal Stripe_Size for MSA 1500?

Jorge Cocomess
Super Advisor

Optimal Stripe_Size for MSA 1500?

Hi,

What would be the most optimized way to setup the stripe_size on a LUN for MSA 1500 - Here are the specs:

MSA 1500 with 2 controllers Active/Passive
version 5.20
512MB per controller
4 MSA 20 attached
48 x 500GB SATA 7200K RPM Drives

Due to Windows 2003 Ent. limitation, each lun will be an useable of 2.0TB RAID 1 (8 x 500GB)

I have an option of 8KB to 256KB stripe_size. What would I set the stripe_size to? This storage will be dedicated as my file server with 900GB of word and excel documents at this time.

Thank you in advance.

Jorge
3 REPLIES
Patrick Terlisten
Honored Contributor

Re: Optimal Stripe_Size for MSA 1500?

Hello Jorge,

the stripe size may vary with your use case. I would use a stripe size between 64 KB and 128 KB for a RAID 5.

Best regards,
Patrick
Best regards,
Patrick
Jorge Cocomess
Super Advisor

Re: Optimal Stripe_Size for MSA 1500?

Hi and thanks for your response.

I am not using RAID5 -- I am using RAID1, some say RAID1+0. Currently, it let me to set stripe_size to 256KB. Should I stay with that, or should I change it to 128KB, which I often used on RAID-0.

These two (2) LUNs would mainly for write & read since it's file based server.

Any other advice?

Thanks,

Jorge
Patrick Terlisten
Honored Contributor

Re: Optimal Stripe_Size for MSA 1500?

Hello Jorge,

just use the default settings. :)

Hope this helps.

Best regards,
Patrick
Best regards,
Patrick