External USB hard drive "loosing" connection [Maxtor onetouch]
k5di at zianet.com
Wed Mar 12 18:24:29 UTC 2008
Hemant Bist wrote:
> I will try remounting the drive from the script.[ Its a sbackup
> package crontab running as root.]
> I also suspect that its due to sleep mode. Could it have something to with
> the fact that I reformatted the drive to ext3 from NTFS?
Was the hard drive not mounted? What did the program mkfs.ext3 end
with after it quit?
> I found this article claiming that there is no problem with Maxtor drives.[
Maxtor has a long history of failure. I will never buy one. I buy
only Western Digital because I have a giant 40 MB one I bought in 1985
and it is still good. All the newer ones are good.
> Here are the errors I see in syslog.
> localhost kernel: [174463.681864] sd 1:0:0:0: Device not ready.
> localhost kernel: [174463.681885] end_request: I/O error, dev sda, sector
This looks bad. Ubuntu doesn't use sda, it uses hda.
> localhost kernel: [174463.687888] Aborting journal on device sda1.
> localhost kernel: [175036.945142] ext3_abort called.
> localhost kernel: [175036.945164] EXT3-fs error (device sda1):
> ext3_journal_start_sb: Detected aborted journal
> localhost kernel: [175036.945176] Remounting filesystem read-only
> On 3/12/08, Neil <hok.krat at gmail.com> wrote:
>> On Wed, Mar 12, 2008 at 5:47 AM, Hemant Bist <hemantbist at gmail.com> wrote:
>>> I recently bought a Maxtor onetouch extenal USB drive 500GB for backup
>>> my ubuntu dapper system.
>>> Every morning the backup script fails because it has problem in
>>> the drive. Once I manually remount(sudo umount /dev/sda1; sudo mount
>>> /dev/sda1) the drive and restart backup it works fine.
>>> Has anyone seen this problem before? Any workarounds for this?
>> I'd simply start the script with "sudo umount /dev/sda1; sudo mount
>> /dev/sda1" That is, if it is a bash script. Other types of scripts
>> would need other commands, or a new script with that and the command
>> to execute the original script.
>> If you run the script as root (in the root crontab) it shouldn't even
>> be necessary to use sudo.
>> It might even be useful for the harddrive to shut down with the power
>> just my 2 cents
>> There are two kinds of people:
>> 1. People who start their arrays with 1.
>> 1. People who start their arrays with 0.
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Karl F. Larsen, AKA K5DI
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