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Add new disc to RAID

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Ben Lewis-Bloor
Occasional Advisor

Add new disc to RAID

Currently I have 2 mirrored 80GB discs in the RAID and I am trying to add a extra 320GB disc.

The status light for the disc is on, on the front of the discs caddy but when I tell use the HP Storage manager to rescan the RAID for disc changes it does not pick up the new disc.

What could be the issue? Or am I missing something?

Thanks,


Ben
11 REPLIES
Mauro Rusignuolo
Trusted Contributor

Re: Add new disc to RAID

if your HHDs are mirrored, you have to add 2 more HDDs... not only one.

bye.

TJK.
<> Leonardo da Vinci
Ben Lewis-Bloor
Occasional Advisor

Re: Add new disc to RAID

you cant have two mirrored discs plus a seperate one?
Mauro Rusignuolo
Trusted Contributor

Re: Add new disc to RAID

obviously, if you intend to expand your existing array ...

bye.

TJK,
<> Leonardo da Vinci
Mauro Rusignuolo
Trusted Contributor

Re: Add new disc to RAID

yes, you can.
which controller are you using?

bye.

TJK.
<> Leonardo da Vinci
Ben Lewis-Bloor
Occasional Advisor

Re: Add new disc to RAID

SATA HostRAID (aar81xx)

is what the HP storage manager calls it
Mauro Rusignuolo
Trusted Contributor

Re: Add new disc to RAID

you server model?


bye

TJK.
<> Leonardo da Vinci
Ben Lewis-Bloor
Occasional Advisor

Re: Add new disc to RAID

ML150 G2
Mauro Rusignuolo
Trusted Contributor

Re: Add new disc to RAID

I'm not 100% sure but the built-in sata raid controller doesn't supporto more than one RAID ...

bye.

TJK.
<> Leonardo da Vinci
Ben Lewis-Bloor
Occasional Advisor

Re: Add new disc to RAID

*bump*
Ben Lewis-Bloor
Occasional Advisor

Re: Add new disc to RAID

What controller would you suggust then? Can i switch without losing data on the mirrored drives?

Thanks
Mauro Rusignuolo
Trusted Contributor
Solution

Re: Add new disc to RAID

uhm ...
using raid created with the embedded sata raid, doesn't allow to you to migrate to a HBA or other controller mantaining your RAID.

make a full back-up ... :-)

install a simple HBA, such as the 1068 SAS/SATA hot plug .
create your array and restore...

take care about the HBA 1068 ... it support only two different array.

the single disk it's viewed like a raid 0...

bye.

TJK.

<> Leonardo da Vinci