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тАО04-17-2006 03:09 AM
тАО04-17-2006 03:09 AM
Disk mirroring in Proliant ML370 G4
I have a ProLiant ML370 G4 with a smart array controller 641 (6 disks, 72 Go each) configured in RAID 1+0. Operating System is redhat linux ES 3.
My question is:
Is there any command to show exactly mirroring is done between which disks
(ex: disk 1 is the mirror of disk 2)
Thanks
Taoufik
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тАО04-17-2006 09:22 PM
тАО04-17-2006 09:22 PM
Re: Disk mirroring in Proliant ML370 G4
this mirrorring is not so simple anymore.
The array controller has "more" brains than in the first days of disk-mirroring.
Raid-1 is "replaced" by raid-0+1
raid-0 is is data is devided in "stripes" and stripes are stored on different disks in the raid-set.
Raid-1 means the whole disk is mirrored.
raid-0+1 means "stripes" are mirrored.
in effect some stripes of disk-0 are mirrored to disk-1 but stripes of disk-1 and mirrored onto disk-0.
so there is no master/slave relationship in the mirrorset anymore.
Pieter
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тАО04-17-2006 11:49 PM
тАО04-17-2006 11:49 PM
Re: Disk mirroring in Proliant ML370 G4
In fact I don't care about the relation master/slave, all I want to know is the mirroring correspondance between my hard drives.
Thanks
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тАО04-17-2006 11:55 PM
тАО04-17-2006 11:55 PM
Re: Disk mirroring in Proliant ML370 G4
when installed this giver the info you need.
http://h18004.www1.hp.com/products/servers/proliantstorage/software-management/acumatrix/sw-drivers.html
Pieter
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тАО04-18-2006 12:10 AM
тАО04-18-2006 12:10 AM
Re: Disk mirroring in Proliant ML370 G4
regards,
Andrzej Kowalik