That was my bad I was gonna blank out all the uuids then figured it was pointless On 8 Dec 2015 03:40, "Phil Turmel" <philip@xxxxxxxxxx> wrote: > > Hi Andrew, > > On 12/07/2015 08:26 PM, Andrew Wilkins wrote: > > Hi, please can someone help me with a raid array which as gone wrong > > On Friday a backup server was rebooted, but failed to boot, possibly > > with an unrelated issue > > > > > > On Monday someone booted from a usb disk to try and recover it > > they were originally able to assemble the array but now they are not, > > 2 out of the 5 drives are showing out of date. > > Device 1 is showing > > Bad Block Log : 512 entries available at offset 72 sectors > > Array State : AAAAA > > and is showing 256 less a events > > last updated 2 hours before the others > > > > Device 4 is showing > > Array State : A.AAA > > and 2 less events > > last update 1 hour before the others > > > > The rest all show > > Array State : A.AA. > > > > I've tried manually assembling without device 1, but even with --force > > it refused to assemble, force seems to do nothing at all, i am > > assuming this maybe because the array state has been updated to say > > missing for 2 devices. > > > The example here > > https://raid.wiki.kernel.org/index.php/RAID_Recovery > > seems to suggest that in my situation recreating might be my only option > > Possibly. Let's try all other options first. > > > Are there any better options before i go ahead and do this? > > At least one anomaly below. > > > /dev/sdb1: > > > Array UUID : 7847e506:deaf87e5:7c6cd502:abb20cf1 > > > /dev/sdc1: > > > Array UUID : xxxxxxxx:xxxxxxxx:xxxxxxxx:abb20cf1 > > How did this happen ? ^^^^^^^^^^^^^^^^^^^^^^ > > > /dev/sdd1: > > > Array UUID : 7847e506:deaf87e5:7c6cd502:abb20cf1 > > > /dev/sde1: > > > Array UUID : 7847e506:deaf87e5:7c6cd502:abb20cf1 > > > /dev/sdf1: > > > Array UUID : 7847e506:deaf87e5:7c6cd502:abb20cf1 > > Try forcing re-assembly with sdb1, sdd1, sde1, and sdf1. > > If that doesn't work with your current environment, try again with new > kernel and mdadm from booting a rescue environment. I usually recommend > the LiveCD from sysrescuecd.org. > > If that succeeds (in either case), add sdc1 and let it rebuild before > doing anything else. > > Phil -- 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