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  1. Y

    6Gb/s SAS with cache vs 12Gb/s without for JBOD software RAID

    I've an SAS drive, but no controller (yet), looking to change some SATA drives to SAS. (SSDs will likely stay SATA). Looking around there's a variety of options. All my disks are currently SAS 6Gb/s or SATA III. I'm thinking it's probably better to get a controller with cache, than go for a...
  2. Y

    HDD Fail signal

    On various SATA/SAS backplanes, notably the Icy Box/Raidsonic IB555SK, there is a 'HDD fail signal IN' connector and a note that this can be provided by the controller, to make the failure LED flash. I can't find any controller that supports this, and presume it's directly supported by the...
  3. Y

    Chassis for high power build ideally with SAS2..

    I'm going to build a system with two E5 2690 processors (already bought) and an Alrock EPC602. I was hoping for it to be quiet, PMBus power supply, with an SAS2 backplane (drives are currently SATA2/3, but extra bandwidth and drives are always welcome). Struggling with a chassis as I have two...
  4. Y

    Built in vs add on, and SAS cabling issues

    I've taken the plunge on a pair of fairly reasonably priced E5-2690 v1 cpus, now to get a board that comes with it. I want IPMI, 6GB/s SAS (currently using SATA, but SAS should provide more backplane/hot swap options, and is compatible), and dual twin slot GPUs , plus at least one other add on...
  5. Y

    New E5 26xx vt-d server, thinking X9DR7-LN4F-JBOD and SC743TQ-1200B-SQ

    I'm Looking to jump on the cheap E5-26xx (either 2680 or 2690) dual Xeon bandwagon, for comparatively (compared to v4) cheap dual CPU goodness, with dual GPU passthrough to two separate VMs on Xen (currently dual Quadro 6000s (GTX480s reflashed), running on a much older system). I'm thinking...