topic Re: Raid1 and Raid5 configuration. in Integrity Servers

Raid1 and Raid5 configuration.

anthink — Thu, 07 Aug 2008 06:54:43 GMT

HI;
I've a new Model:ia64 hp server rx6600, OS: HP-UX 11i Version2, Boot path 0/4/1/0.0.0.0.0 with 5HDD like follwoings...
(i) /dev/dsk/c4t0d0 (ii) /dev/dsk/c4t1d0 (iii) /dev/dsk/c4t2d0 (iv)/dev/dsk/c4t3d0 & (v)/dev/dsk/c4t4d0

I want to configure first two HDD (i) & (ii) as Mirror.
Rest of other will be Raid 5.

Please check the attachment and please help me to configure.

Thanks;

Re: Raid1 and Raid5 configuration.

Torsten. — Thu, 07 Aug 2008 07:01:51 GMT

Do you have the default SAS controller or an optional smartarray (P400)?

Post

# ioscan -fn

The "normal" SAS controller can do 2 mirrored pairs on hardware level, no RAID 5.

LVM can do mirrors, but also no RAID 5.

Re: Raid1 and Raid5 configuration.

Steven E. Protter — Thu, 07 Aug 2008 07:07:36 GMT

Shalom,

The best way to do this is with the hardware RAID controller that is built into that server.

You can boot into it and will see a prompt for F8 function key, just like on say a DL380 server.

The interface is pretty good.

Software raid costs money and will slow your system down.

SEP

Re: Raid1 and Raid5 configuration.

anthink — Thu, 07 Aug 2008 07:07:44 GMT

hi torsten,
Thanks for your cooperation.

Yes we have SAS SmartArray p400 Raid Controller on /dev/ciss3

Re: Raid1 and Raid5 configuration.

Torsten. — Thu, 07 Aug 2008 07:14:56 GMT

Just follow the guide:

http://docs.hp.com/en/J6369-90072/index.html

Re: Raid1 and Raid5 configuration.

Steven E. Protter — Thu, 07 Aug 2008 07:18:30 GMT

Shalom,

Boot the system.

Press F8 when the smart array prompt comes up.

Its got for a hardware based system a relatively intuitive interface.

Just make a plan before you start.

reserve two disks to form a hardware raid 1 boot disk set. To maximize system reliability.

The rest deploy in your raid 5 group to maximize storage.

Note that if you plan any heavy write databases on local disk they benefit in performance from not being raid 5 but being raid 1. Mostly read databases will benefit from sitting on raid 5.

SEP

Re: Raid1 and Raid5 configuration.

anthink — Thu, 07 Aug 2008 08:11:43 GMT

Hi Steven,
will you please help me to know is there any VGA port with this device if there is no VGA port then how can do this all (Step by step).

Thanks;

Re: Raid1 and Raid5 configuration.

Torsten. — Thu, 07 Aug 2008 08:32:03 GMT

You already have the step-by-step-by step guide:

http://docs.hp.com/en/J6369-90072/ch03s03.html

Try to press ESC 8 instead of F8.