This is normal, and -required- to...to simplify this, comb out the new physical to virtual block map required after a snapmirror update.
It will eventually finish, but if it never finishes, run a less intensive snapmirror schedule and let it catch up. _________________________________Jeff MohlerTech Yahoo, Storage Architect, Principal(831)454-6712TW: @PrincipalYahooYM: Supra89ta
On Tuesday, June 23, 2015 11:51 PM, Mike Michalakis mike@directit.com.cy wrote:
<!--#yiv4723850063 _filtered #yiv4723850063 {font-family:"Cambria Math";panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv4723850063 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}#yiv4723850063 #yiv4723850063 p.yiv4723850063MsoNormal, #yiv4723850063 li.yiv4723850063MsoNormal, #yiv4723850063 div.yiv4723850063MsoNormal {margin:0cm;margin-bottom:.0001pt;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv4723850063 a:link, #yiv4723850063 span.yiv4723850063MsoHyperlink {color:#0563C1;text-decoration:underline;}#yiv4723850063 a:visited, #yiv4723850063 span.yiv4723850063MsoHyperlinkFollowed {color:#954F72;text-decoration:underline;}#yiv4723850063 span.yiv4723850063EmailStyle17 {font-family:"Calibri", sans-serif;color:windowtext;}#yiv4723850063 .yiv4723850063MsoChpDefault {font-size:10.0pt;font-family:"Calibri", sans-serif;} _filtered #yiv4723850063 {margin:72.0pt 90.0pt 72.0pt 90.0pt;}#yiv4723850063 div.yiv4723850063WordSection1 {}-->Hi I have a storage system that is under stress, and as luck has it I need to added more stress by loading it with a large cifs related volume, this is a transition from a 7-Mode ontap system Every time we complete the transition, the system spikes disks 100%, cpu 100%, etc. On the perfstat we see deswizzling running. This is a normal operation every time a snapmirror break-off occurs, that is the deswizzle part of the equation.. When we take this volume offline, operations go back to normal. My question, what is the result of disabling deswizzle is the short term, do I look functionality, e.g. vol move? To turn off deswizzle: Nodeshell*> options wafl.deswizzle.enable off To turn on deswizzle: Nodeshell*> options wafl.deswizzle.enable on Backround: FAS3210, C-Dot 8.2.3, SAS disks _______________________________________________ Toasters mailing list Toasters@teaparty.net http://www.teaparty.net/mailman/listinfo/toasters