Re: Copy process over hardware failure is endless

On Tue, 8 Sep 2009, wwp wrote:

To: mc gnome org
From: wwp <subscript free fr>
Subject: Re: Copy process over hardware failure is endless

Hello Frank, Keith,

On Mon, 7 Sep 2009 20:42:01 +0200 Frank Dietrich <ABLEsoft gmx de> wrote:


wwp <subscript free fr> wrote:
In /var/log/messages I'm getting tons of:
Sep  7 14:48:03 monolith kernel: sd 8:0:0:0: [sdd] Add. Sense: No
additional sense information Sep  7 14:48:32 monolith kernel: sd
8:0:0:0: [sdd] Sense Key : No Sense [current] Sep  7 14:48:32
monolith kernel: Info fld=0x0

Wouldn't it be more secure for your data to save first the whole
partition/disc with ddrescue or similar, to reduce the stress on the
dying disc? And after that copying your important data from this
image? The only reason which could prevent you not to do this could be
the size of the disc.

Yes that's probably what I'll do. I appreciate your suggestion (and
Keith's) one. Both suggestion will be hard to deploy, as it seems my
disk self-powers down regularly.

Maybe you could change the power-down defaults with

yum list *hdparm*

You will need to read *all* the manual page before using hdparm, as there are some options that are not safe, or experimental.

Use it at your own risk - especially on a faulty drive!

I use it to send my backup IDE drive into sleep mode, between hourly backups.

'-S' option

Set the standby (spindown) timeout for the drive. This value is used by the drive to determine how long to wait (with no disk activity) before turning off the spindle motor to save power.

Kind Regards,

Keith Roberts


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