by Robin Harris | Friday, June 13, 2014 | Cloud computing & storage, Enterprise, Management, Object storage, SSD/Flash/NVRAM |
The cost of flash versus even 15k FC drives has made it common practice to compare “usable gigabytes” to disk array capacity. Pure Storageand, lately, HP, have invoked the idea that, with proper techniques, usable flash capacity can be competitive with the...
by Robin Harris | Tuesday, June 25, 2013 | Architecture, Backup, Cloud computing & storage, Disk, Enterprise |
A forecast says PC shipments with disk drives will drop by a third between now and 2017. IBM is pushing the all-flash datacenter. SSD start ups are claiming that flash is really as cheap as disk with much better performance. Is it the beginning of the end for disk...
by Robin Harris | Thursday, February 7, 2013 | Architecture, Cloud computing & storage, Clusters, Future Tech, Marketing, SSD/Flash/NVRAM, Virtualization |
I was asked at the SNIA nonvolatile memory conference why I did not include virtualization as a major driver for the use of nonvolatile memory. Flash helps with the multiple virtual machine I/O blender problem. But we also had that problem when we were running...
by Robin Harris | Tuesday, May 17, 2011 | Architecture, SOHO/SMB, SSD/Flash/NVRAM |
JIm Gray’s comment that disk is the new tape is truer today than it was 8 years ago. We’ve been adding caches, striping disks, modifying applications and performing other unnatural acts to both reduce and accommodate random reads and writes to disk. Flash...
by Robin Harris | Tuesday, May 3, 2011 | Architecture, Backup, Enterprise, SOHO/SMB, SSD/Flash/NVRAM |
Forget the flame wars over moving window versus fixed block de-duplication. A recent paper, A Study of Practical Deduplication (pdf) from William J. Bolosky of Microsoft Research and Dutch T. Meyer of the University of British Columbia found that whole file...
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