[Coco] CF and SD life expectancy

[gene heskett]

On Wednesday, July 27, 2011 11:11:42 AM Steven Hirsch did opine:

> On Wed, 27 Jul 2011, gene heskett wrote:
> > On Wednesday, July 27, 2011 10:23:08 AM Steven Hirsch did opine:
> >> On Wed, 27 Jul 2011, gene heskett wrote:
> >>> For dw users, dsaving to a disk image file on the pc is probably the
> >>> least trouble as it can then be part of the regularly scheduled
> >>> backups like I do every night with *amanda here on this linux box,
> >>> using amanda with virtual tapes on a terrabyte hard drive.
> >> 
> >> I hope you are religously monitoring that backup drive with SMART.
> > 
> > Of cuz I am. all 4 of the terabyte drives in this machine. ;-)
> > And I have one screen delegated to tailing logs, so I see lots of temp
> > changes being reported.
> 
> Thou art much SMARTer than I, in that case.  I fell into the bad habit
> of thinking my late 3ware SATA RAID would let me know if drives were
> heading south.  Unfortunately it did not and I had a cascade failure
> (one dead on power up, the second during rebuild).  The RAID controller
> itself then fell on top of the burial heap.  Not one of my better days
> here in data central.
> 
> Important lesson:  Hardware RAID is terrific when it works.  When the
> controller dies, however, your data is held hostage.  With Linux
> software RAID, all you need is another machine with multiple ports.
> 
> Live and learn.
> 
> Steve

A hard lesson to learn Steve, I hope it wasn't too costly in terms of data 
loss.

Cheers, gene
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