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install fast-cache in an SSA drawer

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WiccaChic

Technical User
Jan 21, 2004
179
US
I bought some cache for my SSA drawer and figured I could instal it myself. Anyone else ever do this? Any gotchs I should watch out for or hard won experience to pass on?
 
What type of drawer?

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| Mike Nixon
| Unix Admin
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Do you mean Fast-Write cache, for the adapter?

Not that I can help if you do, we had the CE install ours (it's covered under our base service contract). I'm just curious to find out if there's some other form of SSA cache available.

Q: How long does it take a CE to change a light bulb?
A: It depends on how many broken bulbs he brought with him.

To any CE reading this: I'm not talking about you, of course. :)

Rod Knowlton
IBM Certified Advanced Technical Expert pSeries and AIX 5L

 
Tip 0.5 (just thought of this one before posting) If you bought an MES from IBM it probably includes a free install by an IBM Engineer. Ask the people you got it from if not sure.
The cache option fits on to the adapter card in the server, not in the disk drawer / tower.
Tip 1: Label the cables before, or as, you disconnect them (they all look the same when disconnected).
You should have a memory module and a battery, it is pretty obvious where they fit, once the card is in your (ESD protected) hand.
Tip 2: If you are not familliar with ESD protection, read up on it and make sure you fully understand how to prevent it and how much it might cost you if you get it wrong.
Once installed and the server is up and running again, you will need to use the SSA service tools to enable the FWC (Fast Write Cache) for each drive you want to use it.
 
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