I'm having a nightmare with emails today. I can't get a single one right first time. Apologies to Alex for sending it directly to him and not to the list on first attempt. Steve > -----Original Message----- > From: Steve Fairbairn [mailto:steve@xxxxxxxxxxxxxxxxxxxx] > Sent: 06 February 2008 15:02 > To: 'Nagilum' > Subject: RE: Disk failure during grow, what is the current state. > > > > > > -----Original Message----- > > From: linux-raid-owner@xxxxxxxxxxxxxxx > > [mailto:linux-raid-owner@xxxxxxxxxxxxxxx] On Behalf Of Nagilum > > Sent: 06 February 2008 14:34 > > To: Steve Fairbairn > > Cc: linux-raid@xxxxxxxxxxxxxxx > > Subject: Re: Disk failure during grow, what is the current state. > > > > > > > > If a drive failes during reshape the reshape will just > > continue. The blocks which were on the failed drive are > > calculated from the the > > other disks and writes to the failed disk are simply omitted. > > The result is a raid5 with a failed drive. You should get a > > new drive asap to restore the redundancy. Also it's kinda > > important that you don't run 2.6.23 because it has a > > nasty bug which would be triggered in this scenario. > > The reshape probably increased in speed after the system was > > no longer > > actively used and io bandwidth freed up. > > Kind regards, > > Alex. > > > > Thanks for the response Alex, but.... > > Array Size : 1953535744 (1863.04 GiB 2000.42 GB) > Used Dev Size : 488383936 (465.76 GiB 500.11 GB) > > Surely the added disk should now been added to the Array > Size? 5 * 500GB is 2500GB, not 2000GB. This is why I don't > think the reshape has continued. As for speeding up because > of no IO badwidth, this also doesn't actually hold very true, > because the system was at a point of not being used anyway > before I added the disk, and I didn't unmount the drive until > this morning after it claimed it had finished doing anything. > > It's because the size doesn't match up to all 5 disks being > used that I still wonder at the state of the array. > > Steve. > > > > > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.516 / Virus Database: 269.19.20/1261 - Release > Date: 05/02/2008 20:57 > > No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 269.19.20/1261 - Release Date: 05/02/2008 20:57 - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
