Re: [zfs-discuss] External SATA drive enclosures + ZFS?

2011-02-25 Thread Mike Tancsa
from http://www.addonics.com/ (They ship to Canada as well without issue) Why use USB ? You wll get much better performance/throughput on eSata (if you have good drivers of course). I use their sil3124 eSata controller on FreeBSD as well as a number of PM units and they work great. ---Mike

Re: [zfs-discuss] multiple disk failure (solved?)

2011-02-01 Thread Mike Tancsa
On 1/31/2011 4:19 PM, Mike Tancsa wrote: > On 1/31/2011 3:14 PM, Cindy Swearingen wrote: >> Hi Mike, >> >> Yes, this is looking much better. >> >> Some combination of removing corrupted files indicated in the zpool >> status -v output, running zpool scrub and

Re: [zfs-discuss] multiple disk failure (solved?)

2011-01-31 Thread Mike Tancsa
On 1/31/2011 3:14 PM, Cindy Swearingen wrote: > Hi Mike, > > Yes, this is looking much better. > > Some combination of removing corrupted files indicated in the zpool > status -v output, running zpool scrub and then zpool clear should > resolve the corruption, but its depends on how bad the corru

Re: [zfs-discuss] multiple disk failure (solved?)

2011-01-31 Thread Mike Tancsa
On 1/29/2011 6:18 PM, Richard Elling wrote: > > On Jan 29, 2011, at 12:58 PM, Mike Tancsa wrote: > >> On 1/29/2011 12:57 PM, Richard Elling wrote: >>>> 0(offsite)# zpool status >>>> pool: tank1 >>>> state: UNAVAIL >>>> status: O

Re: [zfs-discuss] multiple disk failure

2011-01-30 Thread Mike Tancsa
On 1/30/2011 12:39 AM, Richard Elling wrote: >> Hmmm, doesnt look good on any of the drives. > > I'm not sure of the way BSD enumerates devices. Some clever person thought > that hiding the partition or slice would be useful. I don't find it useful. > On a Solaris > system, ZFS can show a disk

Re: [zfs-discuss] multiple disk failure

2011-01-29 Thread Mike Tancsa
On 1/29/2011 6:18 PM, Richard Elling wrote: >> 0(offsite)# > > The next step is to run "zdb -l" and look for all 4 labels. Something like: > zdb -l /dev/ada2 > > If all 4 labels exist for each drive and appear intact, then look more closely > at how the OS locates the vdevs. If you can't so

Re: [zfs-discuss] multiple disk failure

2011-01-29 Thread Mike Tancsa
On 1/29/2011 11:38 AM, Edward Ned Harvey wrote: > > That is precisely the reason why you always want to spread your mirror/raidz > devices across multiple controllers or chassis. If you lose a controller or > a whole chassis, you lose one device from each vdev, and you're able to > continue produ

Re: [zfs-discuss] multiple disk failure

2011-01-29 Thread Mike Tancsa
On 1/29/2011 12:57 PM, Richard Elling wrote: >> 0(offsite)# zpool status >> pool: tank1 >> state: UNAVAIL >> status: One or more devices could not be opened. There are insufficient >>replicas for the pool to continue functioning. >> action: Attach the missing device and online it using 'z

[zfs-discuss] multiple disk failure

2011-01-28 Thread Mike Tancsa
Hi, I am using FreeBSD 8.2 and went to add 4 new disks today to expand my offsite storage. All was working fine for about 20min and then the new drive cage started to fail. Silly me for assuming new hardware would be fine :( The new drive cage started to fail, it hung the server and the