Smart array p410 upgrade

[Naz Snidanko]

Hi,

I was wondering if it is possible to add HP 512MB P-Series Battery Backed Write Cache Upgrade (HP part # 462967-B21)without need to rebuild array.

Thank you,
Naz

[wobbe]

Sure, the bbwc is an option and can be added without any problem. No need to rebuild.

http://h10010.www1.hp.com/wwpc/sg/en/sm/WF06c/A1-329290-332469-3965891-3965891-434812-3890508.html

[Michal Kapalka (mikap) · Accepted solution]

hi,

the BBWC can be any time replaced ( offline ), without impact for the ARRAY settings.

mikap

[gregersenj]

Yes.
The BBWC is also called a write cache enabler.
HP do not allow write cache to be enabled, without backup battery.
The purpose for the battery, is to supply power the cache RAM, in case of power loss to the server, wich would caurse data loss, due to unwritten data i the cache.
It keep the cache powered, so it can hold the data.

BR
/jag

[Naz Snidanko]

Hi All thank you for you replies. Btw, you can eneble write cache without battery on the controler.

[Naz Snidanko]

Hi All thank you for your replies. Btw, you can enable write cache without battery on the controler.

[gregersenj]

"Btw, you can enable write cache without battery on the controler."
Ohh, thats new, I'll have to try that some day.

BR
/jag