Off-Topic > Off-Topic - Tiny Core Lounge

Linux and usb drive stability

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genec:
1) It's a matter of finding a USB-HDD controller that passes these commands through.  Most, if not all filter it.

2) This sounds like whatever failed before is doing it again.

3) USB tops out around 25-35MB/s and I've found IEEE 1394 FireWire more reliable and faster (even though the raw bit rate is slower) with lower CPU overhead.  However, USB is more ubiquitous.  And now, eSATA is the gold standard for performance in the consumer market.

Rich:
Hi genec

--- Quote ---3) USB tops out around 25-35MB/s and I've found IEEE 1394 FireWire more reliable and faster (even though the raw bit rate is slower) with lower CPU overhead.  However, USB is more ubiquitous.  And now, eSATA is the gold standard for performance in the consumer market.
--- End quote ---
Assuming you are referring to USB2, I think you meant 25-35Mb/s (bits not bytes) since it is a serial
interface.
Since remus is working with donated and salvaged equipment, he may not have the luxury of picking
and choosing among "gold standard" technologies.

remus:
Hi Rich
My main objective in putting everything onto a boot cd is based on the idea that if there is any glitch in the system or someone logs in as root and plays with the server and corrupts the system, all problems can be fixed by rebooting the computer, and it will load the same every time.
I understand that this means that I won't be able to get updates.

I've considered setting up a raid, but spare hard drives are not available.

Rich:
Hi remus

--- Quote ---I've considered setting up a raid, but spare hard drives are not available.
--- End quote ---
I guess that was in response to this:

--- Quote ---Go with an internal drive (or 2 or more)
--- End quote ---
Actually what I was suggesting was not RAID, but that you could install multiple drives for sharing if
you have them available. For instance, using several smaller drives if you have a larger drive that
would be better used elsewhere. You can create a common share point and mount multiple drives
to it.
You might still want to start with persistent storage for  /usr/local/etc/samba/smb.conf  until you get
it properly configured and then transfer it to CD.

genec:

--- Quote from: Rich on December 02, 2011, 05:17:23 PM ---Assuming you are referring to USB2, I think you meant 25-35Mb/s (bits not bytes) since it is a serial interface.

--- End quote ---

Nope.  Raw data rate of USB 2.0 High Speed is 480Mbps but 25-35 MB/s is the data rate you'd probably see with a mass storage device on USB 2.0 HS.

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