Re: Raid1 - dangerous resync after power-failure?

2000-03-30 Thread Sam Horrocks
in sync and has a disk failure (thus goes into > degraded mode,) the data generated using bad parity will be bad data. > > <>< Lance. > > Sam wrote: > > > OK, regardless of how the failure occurs, my point is that a > > resync is a potentially dangerous ope

Re: Raid1 - dangerous resync after power-failure?

2000-03-29 Thread Sam
r goes out, > > or somone accidentally pulls the plug, etc. > > I had a server running a raid5 with 3 disks and after some power failures the system > didn't want to mount the disk again. The other - un-raided disks didn't have any > problem. - After reinstallation and

Raid1 - dangerous resync after power-failure?

2000-03-27 Thread Sam
I'm setting up a web server with Raid-1, using raidtools 0.90-5 and linux kernel 2.2.12 (this is the Redhat 6.1 distr). I want to mirror all my data across two disks (hda and hdc). The problem I've noticed from testing is that if I shut off the power and then reboot, the raidtools software will