On 12/15/2014 12:43 PM, Rune Tipsmark wrote: > hi all, > > > > got a new system I was intending on using as backup repository. Whenever > dedup is enabled it dies after anywhere between 5 and 30 minutes. I need > to reboot OmniOS to get it back online. > > the files being copied onto the zfs vols are rather large, about ~2TB > each... if I copy smaller files, say 400GB or so, it takes longer for it > to crash. > > > > what can be done to fix this? after Windows (initiator) looses the > connection (both Fibre Channel and iSCSI) I still see a lot of disk > activity using iostat - disks remain active for minutes after the > copying has died... its like ZFS cannot handle dedup of large files.. > > br, > > Rune >
How much RAM do you have? And, how big is your ZFS pool? I ask, as dedup requires a ton of RAM. Helpful reference on the issue http://utcc.utoronto.ca/~cks/space/blog/solaris/ZFSDedupMemoryProblem -- John Yocum, Systems Administrator, DEOHS _______________________________________________ OmniOS-discuss mailing list [email protected] http://lists.omniti.com/mailman/listinfo/omnios-discuss
