Feb 24
So I’m trying a disk upgrade. One of the spare 250G drives I threw into the Mac when I got it failed (Lower-bay, which I’m assuming was disk-2 of 2) so I decided I would try my hand at upgrading the disk. I realized that the 250G drives i put in there won’t be enough …
Feb 23
My definition of “Day” changes…well…daily. I’m having to do some shuffling of data off my old PC Workstation and I found something interesting. MacOS can’t WRITE to an NTFS volume without a third-party driver. It can read from it just fine. I ran into a situation where I had to consolidate data from 2x 2TB …
Jul 09
Ok, given the changes to the storage arena I’ve been working on a revised “Tiering system” to incorporate all of the levels of data…importance? My version of Storage Tiering is (or should be) as follows: Tier-1 – Symmetrix/Replicated – High Performance/Criticial Data Tier-2 – Symmetrix/NonReplicated – High Performance/Non-Criticial Data Tier-3 – Symmetrix/SATA/Replicated – High-Medium Performance/Critical …
Sep 26
I don’t know what most people know about TimeFinder, so I’ll start with a short introduction. EMC Timefinder was developed to provide customers with a dynamic mirror they could use to try and cut some of the tediousness out of copying data, whether from one host to another or within the same host. When I …
Sep 22
RAID-S isn’t striped. If it were it would be Raid-5. EMC utilized Raid-S as a stop-gap to the fact that they didn’t offer Raid5. (the constant XOR computations slowed down performance – until the faster DMX line came up which now allows for both 3+1 and 7+1 raid5. Raid-S takes three volumesand computes a parity …
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