Off-Topic > Off-Topic - Tiny Core Lounge
Linux and usb drive stability
remus:
Hi all,
I've had some bad luck with linux and external hard drives. A while back I was recovering a computer with a PING IS NOT GHOST partition image, and got some errors at the end of the job. I was using a PING boot cd and the partition image was stored on a 500GB ext USB Hard Drive.
The image to partition dump failed at 96% with an UNKNOWN ERROR.
So I rebooted and tried again, to discover that all data on the ext hard drive was now un accessible.
Turns out that the Partition Table was corrupted, so tried every trick I could find to repair the drives partitions and recovery data, but nothing worked.
After 3 days of googling and tech forums I gave up, formated the drive and it was ready to go again, I lost a huge amount of data.
Does tinycore linux have any apps that monitor for ext usb drive connection stability and gives a warning or does something to protect the data if any error is detected during a read/write ?
bmarkus:
--- Quote from: remus on November 30, 2011, 01:59:21 AM ---Does tinycore linux have any apps that monitor for ext usb drive connection stability and gives a warning or does something to protect the data if any error is detected during a read/write ?
--- End quote ---
Monitoring: Instead of monitoring fix root cause or drop external USB drive. Reporting a dead hard drive is nearly useless.
Protection: Use a realible system setup. And of cource a good journaling file system like ext4 may help.
Juanito:
--- Quote from: remus on November 30, 2011, 01:59:21 AM ---Does tinycore linux have any apps that monitor for ext usb drive connection stability and gives a warning or does something to protect the data if any error is detected during a read/write ?
--- End quote ---
You don't mention if you're using linux or windows file systems on the external drives?
I've been using linux file systems on many usb sticks for over 5 years - and been abusing some of them by installing in "scatter mode" for a limited period of time - and never lost any data.
If you periodically monitor dmesg or similar to check for messages relating to the usb drives/sticks and use fsck when recommended, I doubt you'll experience many problems.
bmarkus:
Well, he mentioned external USB drive and not USB stick. I have never head any problem with stick, I have few 4-5 years old used with journaling and still tehy are OK.
A hard disk may be different, specially if engine is stopped after a period. It requires high current when spinning up which may be an issue when powered from USB or other hardware related problems may occure. But no details on the setup.
curaga:
If the hw is getting flaky, you will get warnings in dmesg. Same when any errors are discovered on the file system, or when it is recommended to run a fsck just in case.
But this sounds like the usb disk screwed up itself after disconnecting itself. Nothing the computer could do there.
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