[lkml]   [2001]   [Nov]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Journaling pointless with today's hard disks?
On Mon, 26 Nov 2001, Andreas Dilger wrote:

> On Nov 27, 2001 00:49 +0100, Martin Eriksson wrote:
> > I sure think the drives could afford the teeny-weeny cost of a power failure
> > detection unit, that when a power loss/sway is detected, halts all
> > operations to the platters except for the writing of the current sector.
> What happens if you have a slightly bad power supply? Does it immediately
> go read only all the time? It would definitely need to be able to
> recover operations as soon as the power was "normal" again, even if this
> caused basically "sync" I/O to the disk. Maybe it would be able to
> report this to the user via SMART, I don't know.


To bad most people have not noticed.


Andre Hedrick
CEO/President, LAD Storage Consulting Group
Linux ATA Development
Linux Disk Certification Project

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:13    [W:0.108 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site