I am not really well versed in the world of PCIE add on cards so any help will be appreciated. Posted 30 May – Following a disaster, I wanted to get away from hardware dependent RAID and, well, I didn’t have the money to replace with the same until now anyway. Sun Nov 22, 7: What speeds can I expect from my port multiplier setup?
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This allows for a potentially unlimited amount of storage capacity by daisy chaining up to 5 Hardware Port Multipliers each fully populated with 5 hard drives onto one Hardware Port Multiplier for a total capacity of 25 hard drives through a single SATA or eSATA port.
There are two ways port multipliers can be driven:. When using mulltiplier port multiplier in a scenario where the availability of the connected drives is an issue, overall reliability can be severely impacted by a single failing drive locking up the host port, inhibiting or severely degrading access to all drives connected through prot port.
I did not like the 4 bay box because it was trayless. Host link, storage device, individual drive activity, power and system ready.
I have a small form factor PC. You also need a compatible chipset in the enclosure It’s incredibly slow too.
I recently as eswta, this weekend finally got the old 1 TB drives to run in the 5 bay box. Example of a system configuration without Port Multipliers.
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T ype of Port Multiplier. Similar to it’s lower speed competitors USB 2.
I need a decent esata port multiplier card
Your 8 bay box has two eSATA ports and you must use them both to run 8 drives. SATA optical drive support. Port Multiplier specification Archived at the Wayback Machine. USB doesn’t seem to work well. I already have the enclosure and PC. I will try again after I finish convincing myself that the card, cable and box all work in this configuration.
Direct multiplieer to the back of the drive or a Mobile Rack. Yes cannot be used in simultaneous burn application. What are Port Multipliers PM?
Inability by the BIOS to retain settings Connect to system via USB port.
Perhaps a little anecdotal rambling will help. I have been playing with esata port multiplier boxes under Linux for many years now.
eSATA Port Multiplier
I could never get the four bay box to work no matter what I tried. Sat Nov 21, 9: This means we can provide real-world insight into topics like performance, compatibility, bang for the buck, and the best solution for your needs.
Port Multipliers increase the number of SATA devices multipliet can be connected onto a single controller. If it going to be this slow when doing the snapshot every day, I just don’t know if it’s going to work out They appear to use USB3 on their current line.
Addonics Technology: Port Multiplier Tutorial
This kind of switching is therefore used when capacity is the major concern, and not performance. The controller can issue commands to only one disk wsata a time and cannot issue commands to another disk until the command queue has been completed for the current transactions. Maximum number of storage Devices supported.