Zfs on BSD or a Solaris like OS
> On Dec 11, 2014, at 10:06 AM, Bacon Zombie <baconzom...@gmail.com> wrote: > > Are you running ZFS and RAIDZ on Linux or BSD? >> On 10 Dec 2014 23:21, "Javier J" <jav...@advancedmachines.us> wrote: >> >> I'm just going to chime in here since I recently had to deal with bit-rot >> affecting a 6TB linux raid5 setup using mdadm (6x 1TB disks) >> >> We couldn't rebuild because of 5 URE sectors on one of the other disks in >> the array after a power / ups issue rebooted our storage box. >> >> We are now using ZFS RAIDZ and the question I ask myself is, why wasn't I >> using ZFS years ago? >> >> +1 for ZFS and RAIDZ >> >> >> >>> On Wed, Dec 10, 2014 at 8:40 AM, Rob Seastrom <r...@seastrom.com> wrote: >>> >>> >>> The subject is drifting a bit but I'm going with the flow here: >>> >>> Seth Mos <seth....@dds.nl> writes: >>> >>>> Raid10 is the only valid raid format these days. With the disks as big >>>> as they get these days it's possible for silent corruption. >>> >>> How do you detect it? A man with two watches is never sure what time it >>> is. >>> >>> Unless you have a filesystem that detects and corrects silent >>> corruption, you're still hosed, you just don't know it yet. RAID10 >>> between the disks in and of itself doesn't help. >>> >>>> And with 4TB+ disks that is a real thing. Raid 6 is ok, if you accept >>>> rebuilds that take a week, literally. Although the rebuild rate on our >>>> 11 disk raid 6 SSD array (2TB) is less then a day. >>> >>> I did a rebuild on a RAIDZ2 vdev recently (made out of 4tb WD reds). >>> It took nowhere near a day let alone a week. Theoretically takes 8-11 >>> hours if the vdev is completely full, proportionately less if it's >>> not, and I was at about 2/3 in use. >>> >>> -r >>
