+1 on VSS needing way too much disk I/O capacity. I had to take snaps before and after working hours which has been adequate to avoid most tape restores. I have one server (Dell PE2800) with a Raid-1 set for snaps only - I can snap much more often.
-Devin On Thu, May 7, 2009 at 11:09 AM, Joseph L. Casale <[email protected]> wrote: > Hotfix didn’t help me, I worked with PSS on this for MONTHS, it was absurd… > > > > Bottom line is this: Unless your server is pathetically overrated for its > requirements and IO stays next to nothing, it’s going to happen, the > frequency depends just how much IO relative to the hardware. I tried > multiple HP’s, 380G4’s, G5’s different controllers, etc. Currently it only > happens once and a while. > > > > jlc > > > > > > From: Bob Fronk [mailto:[email protected]] > Sent: Thursday, May 07, 2009 9:23 AM > To: NT System Admin Issues > Subject: RE: Shadow Copies disappearing > > > > That's what I am finding in some searches. There is a hotfix I found... but > have not really looked at it much yet. > > > > http://support.microsoft.com/kb/826936 > > > > I am curious how many others are running in to this. It really hugs because > I had to do a tape restore for something I could have quickly done on a > shadow copy. > > > > Bob Fronk > > > > > > > > > > > > From: Joseph L. Casale [mailto:[email protected]] > Sent: Thursday, May 07, 2009 11:21 AM > To: NT System Admin Issues > Subject: RE: Shadow Copies disappearing > > > > Yup, battle this often. IMHO, VSS is super flawed in this respect. When the > volume your snapping undergoes high IO (and that is a matter of VSS’s > perspective, not mine) it gets its sh!t in a knot and dumps the whole > freaking repository of snaps. It doesn’t even have to be undergoing this so > called high IO while snapping either… > > > > The best way to minimize it, because I can’t get it to stop totally is to > move the shadow copy storage to different controller and spindles. > > > > jlc > > > > From: Bob Fronk [mailto:[email protected]] > Sent: Thursday, May 07, 2009 9:08 AM > To: NT System Admin Issues > Subject: Shadow Copies disappearing > > > > Something is killing my Shadow Copies on several servers. > > > > On one of them I am seeing "service control manager" events 7035 7036 over > and over. (Shadow copy service entered stopped state / Shadow copy service > was successfully sent a start control) > > > > Starting to Google, but wondering if anyone else has noticed similar > events. Seems to have just started on several servers. > > > > Thanks. > > > > Bob Fronk > > > > > > > > > > > > > > > > > > > > > > > > > > -- Devin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
