Thread (10 messages) 10 messages, 4 authors, 2013-09-25

Re: Best configuration for bcache/md cache or other cache using ssd

From: Tommy Apel <hidden>
Date: 2013-09-24 07:18:37

Hello Roberto,
modern day I-RAM are a PCIe SSD's, you might want to take a look at
these options
OCZ RevoDrive, Fusion-IO ioDrive, LSI Nytro


/Tommy


2013/9/24 Roberto Spadim [off-list ref]:
hi guys, i found this one ( http://en.wikipedia.org/wiki/I-RAM ), but
it's pci (not pci-express) and don't have a high iops (pci bootleneck)
any pci-express solution like this?

2013/9/24 Roberto Spadim [off-list ref]:
quoted
Hi Stan,Benjamin, Drew and others guys!
Well i read many things about raid cards now =) thanks stan! i'm not a
expert but at least somethings i understood...

i was thinking about BBU at raid cards...
it's something like bcache with the 'ssd' part as the raid card, and
the hdd part as the raid disks.... different from ssd the raid card
use ram memory (probably) + batery

well now my question is...
there's a memory + bbu 'hard drive'?
i want to use it as the ssd part of the bcache, and use the hdd as my
motherboard hdd connections
in other words... i want the raid card goals with a memory hard drive

any ideas? anyone know anything about it?

thanks guys!

2013/9/19 Stan Hoeppner [off-list ref]:
quoted
On 9/19/2013 12:16 PM, Benjamin ESTRABAUD wrote:
quoted
MegaRAID is the LSI RAID controller's driver/management software name.
For the young pups here, MegaRAID was the brand name for the hardware
RAID products sold by American Megatrends Incorporated, AMI, in the
1990s.  You just might recognize that name, since most PCs ship with AMI
BIOS.  AMI sold their RAID division to LSI more than 10 years ago.  They
also sold their motherboard division though I can't recall to whom.

LSI also purchased Mylex Corp around the same time frame.  Together, AMI
and Mylex owned over ~70% of the US RAID card market, a large percent of
the worldwide RAID card market, and had OEM contracts with all of the
major hardware vendors, including Bull, Data General, DEC, Dell,
Fujitsu/Siemens, HP, IBM, SGI, SUN, Unisys, etc.  Sometime later they
also acquired 3Ware, pretty well sewing up the market.

Mylex didn't use any branding, simply model numbers, such as DAC960,
DAC1100, etc.  So LSI retained the MegaRAID brand and has used it for
all RAID products to date, as it had wide recognition and is catchy as
far as branding goes.

--
Stan


--
Roberto Spadim


--
Roberto Spadim
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