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тАО10-26-2007 01:10 AM
тАО10-26-2007 01:10 AM
I have 7 x 300 GB RAID 5 (1.8 TB usable) on MSA30/SA6402.
What is the max size allowed using 300 GB drives ?
Can I place another drive reaching 2.1 TB (usable) or this will max the parallel SCSI 2 TB limitation ? (It is not clear to me if the 2 TB limit is the usable array or the one adding all the drive sizes)
Can I place another drive keeping current 1.8 TB but migrating to ADG instead of 5 ?
What is the max size allowed using 300 GB drives ?
Can I place another drive reaching 2.1 TB (usable) or this will max the parallel SCSI 2 TB limitation ? (It is not clear to me if the 2 TB limit is the usable array or the one adding all the drive sizes)
Can I place another drive keeping current 1.8 TB but migrating to ADG instead of 5 ?
Solved! Go to Solution.
3 REPLIES 3
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тАО10-26-2007 02:27 AM
тАО10-26-2007 02:27 AM
Solution
Hi,
An SmartArray 6400 has a limit of a 2TB Logical Drive, regardless of the number of physical drives in the array or the RAID level.
Remember though that you're talking here about marketing GB rather than actual GB.
A 300GB will only give you a useable space of 286GB. 8 of those in a RAID-5 will give you a useable logical drive of just under 2TB.
Hope this helps,
Regards,
Rob
An SmartArray 6400 has a limit of a 2TB Logical Drive, regardless of the number of physical drives in the array or the RAID level.
Remember though that you're talking here about marketing GB rather than actual GB.
A 300GB will only give you a useable space of 286GB. 8 of those in a RAID-5 will give you a useable logical drive of just under 2TB.
Hope this helps,
Regards,
Rob
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тАО10-26-2007 04:54 AM
тАО10-26-2007 04:54 AM
Re: parallel SCSI array max size using 300GB drives ?
OK Rob. Now suppose I want to add extra redundancy to the 7 x 300GB RAID 5 array adding an 8th drive and migrating to RAID ADG without increasing the array size; is it possible right ?
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тАО10-28-2007 10:27 AM
тАО10-28-2007 10:27 AM
Re: parallel SCSI array max size using 300GB drives ?
That should be possible yes.
Cheers,
Rob
Cheers,
Rob
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