https://community.hpe.com/t5/proliant-servers-ml-dl-sl/raid-cache-card-change-out-upgrade-p420i/m-p/7182177#M180528 <P>Hi,</P><P>the Raid configuration is stored on the Disks.</P><P>You can safely replace the whole Controller or Cache if the Server is powered down.</P><P>Cali.</P><P>&nbsp;</P> Sun, 05 Feb 2023 20:58:38 GMT Cali 2023-02-05T20:58:38Z https://community.hpe.com/t5/proliant-servers-ml-dl-sl/raid-cache-card-change-out-upgrade-p420i/m-p/7182116#M180506 <P>I have a ML350p Gen 8 tower server with an integrated p420i, and only a 512mb cache with battery.&nbsp;</P><P>Is it possible to power everything down, and swap the cache to a new 2gb cache with battery without damaging the array? Is there any special procedure I should worry about, or is this straight forward like swapping RAM?</P><P>New part is HP 631681-B21 2gb P-Series Smart Array Flash Backed Write Cache.</P><P>Thank you in advance! Anyone that has every swapped or upgraded a cache, I appreciate your feedback!</P> Mon, 06 Feb 2023 04:44:36 GMT https://community.hpe.com/t5/proliant-servers-ml-dl-sl/raid-cache-card-change-out-upgrade-p420i/m-p/7182116#M180506 AaronC_1000 2023-02-06T04:44:36Z https://community.hpe.com/t5/proliant-servers-ml-dl-sl/raid-cache-card-change-out-upgrade-p420i/m-p/7182177#M180528 <P>Hi,</P><P>the Raid configuration is stored on the Disks.</P><P>You can safely replace the whole Controller or Cache if the Server is powered down.</P><P>Cali.</P><P>&nbsp;</P> Sun, 05 Feb 2023 20:58:38 GMT https://community.hpe.com/t5/proliant-servers-ml-dl-sl/raid-cache-card-change-out-upgrade-p420i/m-p/7182177#M180528 Cali 2023-02-05T20:58:38Z