A1000 Hard Disk Replacement method

Hi all,One of the hdd in A1000 has failed, we got a new hdd to replace it. Questions:-1. Is the method to replace the hdd the same with D1000?2. Is it necessary to reboot the server?3. Do i need to shut down all running application?Thanks

[287 byte] By [nankeen80a] at [2007-11-26 19:22:42]

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# 1

The D1000 and the A1000 are almost identical machines. The only difference between the 2 are the controller. The A1000 can use hardware RAID while the D1000's controller cannot.

Depending on how you are choosing to manage your RAID configuration, the replacement procedures should be the same.

The drives in the a1000 are hot swappable, so there would be no need to shut everything down to replace.

jbenson07a at 2007-7-9 21:43:36 >

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# 2

Thanks. I ve already found a solution for this. Since it is my 1st time to replace a new hdd on A1000, i ve use every method, from rebooting the server to mounting the disks. But none seems to detect the hdd, finally with the help of my team mates, and through searching the internet for resources, its as simple as typing usr/sbin/osa/rm6. I thought Sun StorEdge uses the Volume Manager to configure a new hdd, i din know that Raid Manager and Volume Manager is 2 different thing. Can anyone explain to me what the different between Raid and Volume manager?

Thanks

nankeen80a at 2007-7-9 21:43:36 >

# 3

If your interested, I would suggest going to docs.sun.com and downloading the Sun Volume Manager document for rthe version of Solaris you are using.

In a nut shell Volume Manager allows you to configure multiple drives in different ways such as concatenation, striping and raid5. It is also used to set up drive mirroring. The manual explains each one of the techniques and gives the plus/minus of each configuration.

If you are using fiber-channel drives you will also want to get the luxadm manual as this has the prodecures for removing and replacing failed fiber-channel drives.

Regards

Message was edited by:

jsuche

jsuchea at 2007-7-9 21:43:36 >

# 4

The A1000 array is a hardware Raid array, so it runs firmware on the controller to manage raid sets and mapping of luns. The host program that interfaces to the A1000 firmware is RM6 or RaidManager.

Volume Manager is a software raid program that allows you to manage JBODs and disks and cretae raid devices out of them thru software at the OS level.

HTH

Dom

domburnsa at 2007-7-9 21:43:36 >

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