[geeks] 14 TB Hard Drive in Sun Blade (procedure)
Mouse
mouse at Rodents-Montreal.ORG
Sat Jul 6 23:52:44 EDT 2024
> Second, you must use a SAS drive, as SATA only supports 2 TB.
Maybe that hardware's implementation of SATA. But SATA per se supports
well over 2T; I've got two "6TB" SATA drives (actually about 5.458T;
they're 11721045168 half-K interface sectors) in live use right now.
> Also, most newer hard disks support 4K sectors, as opposed to the old
> standard of 512 byte sectors.
My experience is that they often (usually, in that size range) have 4K
medium sectors, but they present an interface with half-K sectors,
doing RMW cycles internally as necessary. The "6TB" drives I
mentioned above are examples:
wd2 at atabus2 drive 0: <ST6000DM003-2U9186>
wd2: drive supports 16-sector PIO transfers, LBA48 addressing
wd2: HPA enabled, no protected area
wd2: 5589 GB, 11628021 cyl, 16 head, 63 sec, 512 bytes/sect x 11721045168 sectors
wd2: 32-bit data port
wd2: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd2: block sizes: medium 4096, interface 512, alignment 0
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