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https://www.techopedia.com/definition/27699/staggered-spin-up
Staggered spin-up is a physical performance strategy for serial ATA hard disk drives or RAID DISK drive systems. With staggered spin-up, engineers handle the electrical load and system capacity during startup by staggering the times when disk drives begin input/output (I/O) operations. With the traditional strategy, all drives spin up when ...
https://sata-io.org/system/files/member-downloads/Implementing%20Staggered%20Spin%20Up%20v1.pdf
Serial ATA Staggered Spin-Up 6 3 Supporting Staggered Spin-up For platforms that are staggered spin-up enabled, system firmware should always provide staggered spin-up support because: 1. On a multi-drive platform, the system firmware may not comprehend which attached HDD contains the operating system that the user wishes to boot to.
https://en.wikipedia.org/wiki/Spin-up
Staggered spin-up is a simple mechanism by which the storage subsystem controller can sequence hard disk drive initialization and spin-up. Having this feature not only provides greater reliability, but it allows the system to avoid power surges if all of the HDDs spin up simultaneously during system power up (in a multi-drive environment). Another benefit to having staggered spin-up is the use ...
https://www.sevenforums.com/hardware-devices/148080-sata-mode-ahci-ide.html
Mar 03, 2011 · The staggered spin-up thing probably doesn't matter either. Maybe it would, if you were running a large RAID (like maybe a 6-disk RAID 10) and had a barely-adequate power supply. 2) Yes, there should be a way to install the AHCI drivers so that Windows 7 doesn't bluescreen on startup.
https://www.intel.com/content/dam/www/public/us/en/documents/technical-specifications/serial-ata-ahci-spec-rev1_0.pdf
Advanced Host Controller Interface (AHCI) Revision 1.0 Please send comments to Amber Huffman ... AHCI host devices (referred to as host bus adapters, or HBA) may support from 1 to 32 ports. An HBA must support ATA and ATAPI devices, and must support both the PIO and DMA protocols. ... • HW Assisted Native Command Queuing • Staggered Spin-up
https://www.ixsystems.com/community/threads/staggered-spin-up.44457/
Jun 29, 2016 · Hi. So I started with this thread. So if figured I would get the HP SAS Expander that @danb35 suggested to support 24 drives. Now my problem is the PSU. I'm pretty unsure how to "size" it. I've read the PSU sizing guide but would mean that I would need around 1200W without any headroom. So now I'm sitting here wondering if I could use staggered spin up as I just need it to handle the spike …
https://www.intel.com/content/dam/www/public/us/en/documents/technical-specifications/serial-ata-ahci-spec-rev1-3-1.pdf
Serial ATA AHCI 1.3.1 Specification AHCI 1_3_1.doc i Seerriiaall AATTAA Ad dvva anncceed tHHo osstt rCCoonntrrolllleer IInntteerrffaccee
https://forums.evga.com/HDD-stagger-spinup-m116688.aspx
Aug 07, 2011 · I've looked thru the BIOS and do not see a method for enabling staggered HDD spin-up. Does one exist somewhere else? Join us now! ... unfortunately running in pure AHCI would mean no ability to set up a RAID array on that SATA Controller. #9. vipersb1 . New Member. ... HDD stagger spin-up ?? 2010/09/17 07:10:18
https://www.ixsystems.com/community/threads/ahci-or-ide.1062/
Jul 17, 2011 · I don't believe shifting over to AHCI will cause you to lose any data but I would have it all backed up myself. Everything I've read doesn't care if it's IDE or AHCI but I did find this one thing: "One benefit to use the AHCI drives is that it supports NCQ and if your drives do (all new drives do), you will benefit for random and multitask IO.
https://github.com/Microsoft/Windows-driver-samples/blob/master/storage/miniports/storahci/src/ahci.h
Mar 18, 2015 · All state machines that relate to data transfers and queuing shall return to an idle condition, and all ports shall be re-initialized via COMRESET (if staggered spin-up is not supported). If staggered spin-up is supported, then it is the responsibility …
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