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Category Archives: Data integrity
Top 10 blog posts for 2011
Happy Holidays. I ranked my blog posts using a ratio of hits to post age and have identified with the top 10 most popular posts for 2011 (so far): Vsphere 5 storage enhancements – We discuss some of the more … Continue reading
Posted in Artificial Intelligence, Cloud services, Cloud storage, Cognitive computing, Data integrity, Ethernet, FC, FCoE, IBM SyNAPSE chip, MIT analog brain chip, SSD storage, System effectiveness
Tagged Analog synapse simulation, BlueArc, Cognitive computing, Data loss, HDS, IBM Research, Intel SSD, neuromorphic computing, OCZ SNIA, SyNAPSE chip, VMware, vSphere 5
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Graphene Flash Memory
I have been thinking about writing a post on “Is Flash Dead?” for a while now. Well at least since talking with IBM research a couple of weeks ago on their new memory technologies that they have been working on. … Continue reading
Posted in Data, Data density, Data integrity, Data retention, SSD storage, Storage, storage economics, Storage energy use, Storage longevity, Storage reliability, Strategic Inflection Points, System effectiveness, Uncategorized
Tagged cell-to-cell interaction, circuit size, feram, Ferro-electric RAM, Flash at 11nm, Graphene Flash Memory, IBM Almaden lab, IBM Research, Magnetic RAM, MRAM, NAND Flash problems, pcm, Phase Change Memory, racetrack memory, SSD, write endurance
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IBM’s 120PB storage system
Talk about big data, Technology Review reported this week that IBM is building a 120PB storage system for some unnamed customer. Details are sketchy and I cannot seem to find any announcement of this on IBM.com. Hardware It appears that … Continue reading
Posted in Clustered storage, Data, Data integrity, data logistics, data protection, Disk storage, Distributed computing, File Storage, Infiniband, Information economy, Networking, SAS, Storage, Storage architecture, Storage availability, Storage density, Storage energy use, Storage Features, Storage reliability, Strategy, System effectiveness, Systems
Tagged big data, GPFS, GPFS nodes, Hadoop, Hadoop over GPFS, IBM GPFS, IBM SONAS, ILM, Isilon, NSD nodes, SAS Drives, Scale out NAS, SPECsfs2008
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M-Disc provides a 1000 year archivable DVD
I heard about this last week but saw another notice today. Millenniata has made what they believe to be a DVD which has a 1000 year archive life they call the M-Disc . I have written before about the lack … Continue reading
OCZ’s latest Z-Drive R4 series PCIe SSD
OCZ just released a new version of their enterprise class Z-drive SSD storage with pretty impressive performance numbers (up to 500K IOPS [probably read] with 2.8GB/sec read data transfer). Bootability These new drives are bootable SCSI devices and connect directly to … Continue reading
Intel’s 320 SSD “8MB problem”
Read a recent news item on Intel being able to replicate their 320 SSD 8MB problem that some customers have been complaining about. Apparently the problem occurs when power is suddenly removed from the device. The end result is that … Continue reading
Posted in Data integrity, SSD storage, System effectiveness, System quality
Tagged Intel SSD, NAND wear leveling, SSD reliability
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Potential data loss using SSD RAID groups
The problem with SSDs is that they typically all fail at some level of data writes, called the write endurance specification. As such, if you purchase multiple drives from the same vendor and put them in a RAID group, sometimes … Continue reading
Posted in Block Storage, Data, Data availability, Data integrity, Disk storage, File Storage, Storage, Storage availability, System effectiveness, System quality
Tagged Data loss, RAID 5, RAID rebuild time, SSD, SSD lifetime, SSD longevity, SSD write endurance, SSD write failure, SSDs in RAID groups
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EMCWorld day 2
Day 2 saw releases for new VMAX and VPLEX capabilities hinted at yesterday in Joe’s keynote. Namely, VMAX announcements VMAX now supports Native FCoE with 10GbE support now VMAX supports directly FCoE, 10GbE iSCSI and SRDF Enhanced Federated Live Migration … Continue reading
Posted in Block Storage, Data, data access, Data availability, Data integrity, data logistics, Data search, Ethernet, FCoE, Networking, Storage, Storage architecture, Storage availability, Storage Features
Tagged DaaD, EMC, EMCWorld, VMAX, VPLEX, VPLEX Geo
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