May 24, 2012

Comment: FusionIO 320GB MLC benchmarks

… in production environment you would most likely keep it RAID-5 (reliability) or RAID-10 (performance/reliability). Doing the quick math on cost for parts… and workstation applications (plus it has higher write throughput and is a SLC design) so I have attached both price points… ~= 1120GB X25E SLC RAID5 = 7x64GB ~= 448GB Considering the Intel solution is cheaper in the SLC and MLC design, I would be…

Post: Virident tachIOn: New player on Flash PCI-E cards market

… dell.com, price on 14-Jun-2010 ) is 6,308.99$ ( that is 39.5$/GB) Couple words about product, I know that… are joined in RAID (it is fully transparent for end user). All this guarantees good level of confidence in data reliability: if a single module fails, the internal RAID will allow to continue operations, and…

Post: Is disk Everything for MySQL Performance ?

… other application is one of the worst mistakes you can make. One application can become CPU bound even with 5% of total… BBU on the raid volume impact on transactional log write speed is usually minimal. At the same time if reliability is desired it might… least basic understanding of the processes to be able to reliably identify problems. At the same time I would be very…

Post: SSD, XFS, LVM, fsync, write cache, barrier and lost transactions

… I got HighPoint 2300 controller and CentOS 5.2 just could not start with two RAID controllers (Perc/6i and HighPoint 2300… in place now, but write speed is only 1200 writes / s, which is comparable with RAID 10 So in conclusion to warranty Durability… transactions. So in final conclusion: 1. Intel SSD X25E is NOT reliable in default mode 2. To have durability we need to…