… 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…
Post: Virident tachIOn: New player on Flash PCI-E cards market
June 15, 2010 By 19 Comments
… 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… enabled (16 cores) 64GB of ECC/Registered DDR3 DRAM Centos 5.3 2-6.18.164 Kernel Filesystem is XFS formatted…
Post: Is disk Everything for MySQL Performance ?
April 25, 2008 By 7 Comments
… can make. One application can become CPU bound even with 5% of total data set in memory while over may require… BBU on the raid volume impact on transactional log write speed is usually minimal. At the same time if reliability is desired… 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
March 2, 2009 By 32 Comments
… I got HighPoint 2300 controller and CentOS 5.2 just could not start with two RAID controllers (Perc/6i and HighPoint 2300… to publish some nice benchmarks where InnoDB on SSD outperforms RAID 10, but recently I faced issue which can make previous…. So in final conclusion: 1. Intel SSD X25E is NOT reliable in default mode 2. To have durability we need to…
Comment: FusionIO 320GB MLC benchmarks
January 12, 2010 By 19 Comments
… reliable than traditional disks; even if they ‘break’ you’d still be able to read the data off them. But agreed, RAID… 2 cards and 8 drives; the latter are only 2.5” and two of them fit in one hard disk slot…
