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тАО08-29-2004 04:57 PM
тАО08-29-2004 04:57 PM
Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
Our system has three SCSI 18.2GB Disks
The Raid controler is a Smart Array 5i
All Those Three disks have been integrated in one logical unit Raid 0 mode
We download RAID configuration utility version 7.15.19.0
We try to use migration option to migrate to Raid 5
The configurator offer only Raid 0 option
1- Is it possible to migrate from Raid 0 to Raid 5
2- What is the best solution to do it, without re-installing the entire system
MERCI BEAUCOUP
Philippe
----------------------------------
Contr├┤leur Contr├┤leur Smart Array 5i
Interface de bus PCI 64 bits
Emplacement du contr├┤leur Incorpor├й
R├йvision mat├йriel B
Version du microprogramme 2.58
Priorit├й de reconstruction Bas
Priorit├й d'extension Bas
D├йlai de balayage de surface actuel 15 sec
Nombre de modules RAID 1
Nombre d'unit├йs logiques 1
Nombre de disques physiques 3
Disques physiques connect├йs sur le port 2 ID SCSI 0, 18.2 GB (SCSI parall├иle)
ID SCSI 1, 18.2 GB (SCSI parall├иle)
ID SCSI 2, 18.2 GB (SCSI parall├иle)
Tous les disques physiques sont attribu├йs Oui
Acc├йl├йration RAID
Pr├йsent Oui
├Йtat du cache Activ├й
Pourcentage d'acc├йl├йration 100% Lecture/0% ├Йcriture
Taille du cache en lecture 16 MB
Taille du cache en ├йcriture 0
D├йcompte des blocs batteries 0
------------------------------
Unit├й logique 1
Contr├┤leur Contr├┤leur Smart Array 5i
Interface de bus PCI 64 bits
Emplacement du contr├┤leur Incorpor├й
Module RAID A
Type du module SCSI parall├иle
Nombre d'unit├йs logiques 1
Unit├й logique 1
Taille 52079 MB
tol├йrance de failles RAID 0
T├кtes 255
Secteurs par piste 32
Cylindres 13071
Taille de stripe 64 KB
├Йtat OK
Disques physiques d├йfaillant
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тАО08-29-2004 05:36 PM
тАО08-29-2004 05:36 PM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
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тАО08-29-2004 05:53 PM
тАО08-29-2004 05:53 PM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
Yes add more physical disk on server the use ACU on the server then go ahead with addign more disk then migration. Better is to go through user manual of ACU for more details.
http://h18000.www1.hp.com/products/servers/proliantstorage/software-management/acumatrix/index.html
Do check the attachement also for the same.
Regards,
Prashant S.
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тАО08-30-2004 02:57 PM
тАО08-30-2004 02:57 PM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
The only other thing to check is that you have the most recent versions of the array driver for Windows, the ACU and the firmware for the adapter. It looks like you're ok on the firmware an ACU.
Regards,
Seth
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тАО08-30-2004 05:35 PM
тАО08-30-2004 05:35 PM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
1st- As there are already 3 disk sin the array , why one fourth one ??
2nd- May we have to add a DD of same type or size or can we just add an 80GB IDE DD for migration and remove it from array after??
MERCI BEAUCOUP for help
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тАО08-30-2004 05:58 PM
тАО08-30-2004 05:58 PM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
I assume your (RAID-0) logical disk is currently taking up all space in the disk array? Then you need more space in the disk array for the RAID-5 parity data. RAID-0 is just striping without any redundancy.
You can add a SCSI disk with a higher capacity (e.g. 36 GigaBytes) to the disk array, but the SmartArray controller uses fixed formulars and the usable size is limited by the smallest disk in an array.
I don't think you can add an IDE disk to the disk array, if that was the question, because all disks must be connected to the controller's SCSI busses.
What you might be able to do is:
- copy all data from the (RAID-0) logical disk to the IDE disk
- delete the (RAID-0) logical disk
- create a new logical disk in RAID-5
!Please note that the new logical disk will only be about 36 GigaBytes in size, not 3*18!
- copy the data back from the IDE disk to the new (RAID-5) logical disk
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тАО08-30-2004 06:48 PM
тАО08-30-2004 06:48 PM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
It means re installing the all system
To avoid IT, can i make a clone of the logical disks (ie c: and d:) on my ide disk , format disks , rebuilds array in raid 5, build c: and d; logical disk and back from clone(s)
MERCI BEAUCOUP
Philippe
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тАО08-30-2004 11:13 PM
тАО08-30-2004 11:13 PM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
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тАО09-01-2004 09:13 PM
тАО09-01-2004 09:13 PM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
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тАО09-06-2004 04:47 AM
тАО09-06-2004 04:47 AM
Re: Migrating from Raid 0 to Raid 5 on ML370 G2 Smart Array 5I How??
at the end of your first text, there's:
Disques physiques d├Г┬йfaillant
are there some "Disques physiques d├Г┬йfaillant" ?
i suppose not.
the last solution is the good one, making a clone (with norton ghost or powerquest drive image)of the whole system.
Like this, you won't have to install it again, and ide device is cheap.
You can also use a dos bootable floppy with network support to clone the partitions to any place of your LAN to avoid buying an ide device.
The remaining problem is th one of the space left after raid5 takes space for parity, approximately 33% of total space:52079Mo=>34727Mo .
you see where the problem