Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Wed, Sep 24, 2008 at 06:17:05PM +0200, Federico Simoncelli wrote: > Hi all, how do you perform data scrubbing on DRBD? > I found this document about data scrubbing for the software raid: > > http://gentoo-wiki.com/HOWTO_Gentoo_Install_on_Software_RAID#Data_Scrubbing > > but I can't find anything similar for DRBD. for integrity check, you can use "verify" (in latest 8.2 releases). but if you mean scrubbing in the sense of "read everything, and if read fails, read from the peer and write here" then no, that is not implemented. drbd expects to run on reliable local io subsystems, basically we expect to sit (not necessarily directly) on top of some sort of hardware or software raid. so IO errors should never propagate up to DRBD. and if they do, it is too late for this "scrubbing" kind of recovery. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed