Lsi Cachecade Keygenguru
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Hello, everybody I bought a second-hand LSI 9270CV-8i, it has built-in cachevault feature that offers safer cache protection with flash (not memory) and capacitor (not battery). I was wondering, besides it is more secure, is cachevault able to speed up small files I/O like cachecade function? Since both has flash as additional data pool.
I searched the web, there is no material saying that cachevault would speed up I/O, except this murky line:'CacheCade and LSI CacheVault Flash Cache can be combined. ' from this site: If it does, I will be able to save additional money to buy slc ssd for cachecade.
Can anyone share some insight? Thanks a bunch! I may not get the question, but what else do you think the 1GB cache is for? It speeds up the output only, until you change the cache strategy from 'write through' to 'write back'. CacheCade is an advanced lsi raid function that uses SSD (flash) to speed up small files read (1.0), read/write (2.0), CacheVault, to my understanding is a mirror of raid memory (for 9270cv is 1GBytes), in case of power interruption, the complete memory has a non-volatile backup in the flash (cachevault). My question is since 9270cv has BOTH cachecade and cachevault function, and cachevault is non-volatile flash, would cachecade function be applied in the cachevault, as if there is a 1GBytes of ssd attached to the controller?
I may not get the question, but what else do you think the 1GB cache is for? It speeds up the output only, until you change the cache strategy from 'write through' to 'write back'. CacheCade is an advanced lsi raid function that uses SSD (flash) to speed up small files read (1.0), read/write (2.0), CacheVault, to my understanding is a mirror of raid memory (for 9270cv is 1GBytes), in case of power interruption, the complete memory has a non-volatile backup in the flash (cachevault). My question is since 9270cv has BOTH cachecade and cachevault function, and cachevault is non-volatile flash, would cachecade function be applied in the cachevault, as if there is a 1GBytes of ssd attached to the controller? I couldn't find any info about a flash memory anywhere. The 9270 uses DDR III SDRAM and the cv-version includes a battery pack for cache protection.
Dell Cachecade
I submitted same question on chuckleb answered: 'The purpose of cache vault is to replace the battery model with something that can last longer due to the flash memory and capacitor. It is not accessible to the card or the volumes on the card for use as a cache. The capacitor allows the card to keep the data that was sitting in the card cache ram viable in a crash and can write it out to disks when power is restored. I think that any amount of cachecade wild be nice even if it were mlc. It helps buffer more read/write at faster seeks.' I think it makes a lot of sense. I may not get the question, but what else do you think the 1GB cache is for?
It speeds up the output only, until you change the cache strategy from 'write through' to 'write back'. CacheCade is an advanced lsi raid function that uses SSD (flash) to speed up small files read (1.0), read/write (2.0), CacheVault, to my understanding is a mirror of raid memory (for 9270cv is 1GBytes), in case of power interruption, the complete memory has a non-volatile backup in the flash (cachevault). My question is since 9270cv has BOTH cachecade and cachevault function, and cachevault is non-volatile flash, would cachecade function be applied in the cachevault, as if there is a 1GBytes of ssd attached to the controller? I couldn't find any info about a flash memory anywhere. The 9270 uses DDR III SDRAM and the cv-version includes a battery pack for cache protection.
The CacheVault module of 9270cv is a hardware board mounting in replacing of orginal memory, which has a port for remote connection of capacitor. LSI official website doesn't have a picture of 9270 combining with cachevault, but it is similar to Thank you for your reply though. I did find an answer I think is right, please check the post.
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