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тАО11-23-2006 09:57 PM
тАО11-23-2006 09:57 PM
Maximum array size for Storage Array P800
I am planning to buy P800 RAID controller to attach MSA60 storage(video recording application).
I need 6Tb of efficient capacity from storage in RAID 5 configuration.
SA P800 specification contains this statement: "Maximum Logical Drive size = 2.0 TB"
My questions:
1) How many hard drive (500Gb SATA) I need for 6Tb capacity in RAID ? Why?
2) What maximum array size P800 support?
Thank you.
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тАО11-30-2006 12:51 PM
тАО11-30-2006 12:51 PM
Re: Maximum array size for Storage Array P800
2). The MAX LUN size is 2TB.
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тАО02-27-2007 07:27 AM
тАО02-27-2007 07:27 AM
Re: Maximum array size for Storage Array P800
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тАО04-11-2007 01:34 AM
тАО04-11-2007 01:34 AM
Re: Maximum array size for Storage Array P800
In practical terms we can say that there is no limit to LUN size on the P800
where do you see that limit as published?
should not appear anywhere in the product docs
the QS has it right:
Logical Drives Supported
Up to 32 logical drives
NOTE: Supports greater than 2 TB logical drives.
Scott
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тАО08-15-2007 08:58 PM
тАО08-15-2007 08:58 PM
Re: Maximum array size for Storage Array P800
If anyone can verify the size for me that would be very useful.
I wish to populate a MSA 60 with 750GB drives in a RAID6 config and really need to know the logical size limit before ordering.
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тАО08-16-2007 12:26 AM
тАО08-16-2007 12:26 AM
Re: Maximum array size for Storage Array P800
"Smart Array P400, P400i, And P800 Controllers - Maximum Logical Drive Size Capability Has Been Increased From 2.2 Terabytes (TB) To 8 Zettabytes (ZB."
Please see:
http://h18023.www1.hp.com/support/files/storage/us/revision/10015.html
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тАО11-27-2007 07:57 AM
тАО11-27-2007 07:57 AM
Re: Maximum array size for Storage Array P800
the server is a DL380 and I have installed
a Centos5 with the last cciss driver : HP CISS Driver (v 3.6.18-5S) [without it, the kernel 2.6.18-8.1.15.el5 doesn't read the logical drive]
the command fdisk see the full capacity of drive but I can't create a partition more than 2TB :
==========================================
fdisk /dev/cciss/c0d1
Disk /dev/cciss/c0d1: 6751.1 GB, 6751104393216 bytes
255 heads, 32 sectors/track, 1615900 cylinders, total 13185750768 sectors
Units = sectors of 1 * 512 = 512 bytes
Device Boot Start End Blocks Id System
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-1615900, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-526344, default 526344):
Using default value 526344
Command (m for help): p
Disk /dev/cciss/c0d1: 6751.1 GB, 6751104393216 bytes
255 heads, 32 sectors/track, 1615900 cylinders
Units = cylinders of 8160 * 512 = 4177920 bytes
Device Boot Start End Blocks Id System
/dev/cciss/c0d1p1 1 526344 2147483504 83 Linux
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 2
No free sectors available
==========================================
As you see, there are 1615900 cylinders, but I can only put max 526344.
And I can't create an other partition !
any explanations/suggestions to able create partition > 2TB ?
I have tried also with parted : there is the same problem...
regards
jmb
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тАО11-27-2007 04:27 PM
тАО11-27-2007 04:27 PM
Re: Maximum array size for Storage Array P800
http://en.wikipedia.org/wiki/GUID_Partition_Table