> -----Original Message----- > From: Gary Dale [mailto:garyd...@rogers.com] > Sent: Thursday, 11 April 2013 12:39 AM > To: debian > Subject: Re: RAID 6 mdadm > > On 10/04/13 10:15 AM, Muhammad Yousuf Khan wrote: > > i was watch a person's video regarding RAID 6 with mdadm > > his configuration was very low, some old system probably > > 2GB RAM, 3x8TB Hard Drives, 4port Ethernet card for channeling. > > and the guy was giving review of his home server. he says he will > > channel the 4 port Ethernet to achive 4Gbps network throughput. and 2 > > drive redundancy with RAID6. > > > > my question is > > since i can not invest that huge money for testing so just asking from > > experience users. isn't it going to be a problem because of bottleneck > > and limited throughput of SATA 7200 rpm 3TB drives? > > > > actually what i need is 4GB LAN throughput with teaming (802.3ad) for > > data storage to backup VMs and same huge data manipulations will be > > done. so just confused if it going to work or not. > > > > Thanks, > > MYK > > > > That's an odd setup. Why use RAID6 with only 3 drives? He'd get better > performance with RAID1 with only 3 drives. > > However, your question is about performance. My RAID5 array with SATA 2 > drives gets about 200MBps. SATA 3 performance should be double that. > > Caching is critical. Disk access is dramatically slower than memory > access so that your real throughput will depend on how much disk access > can be avoided or optimized.
This is really not debian related at all > > > -- > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org > with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org > Archive: http://lists.debian.org/5165796f.2070...@rogers.com -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/002901ce35fd$20ec7b10$62c57130$@riseup.net