Re: [DRBD-user] DRBD full sync occuring intermittently

2020-01-29 Thread Roland Kammerer
On Thu, Jan 30, 2020 at 08:04:30AM +0530, Mona Sinha wrote: > Hi, > > We are using DRBD version: 8.3.8.1. Sometimes during the load test, we see > that full sync is occurring and could not find the reason behind it. Could > someone please help us? DRBD 8.3 is EoL for many, many, many, many,

[DRBD-user] DRBD full sync occuring intermittently

2020-01-29 Thread Mona Sinha
Hi, We are using DRBD version: 8.3.8.1. Sometimes during the load test, we see that full sync is occurring and could not find the reason behind it. Could someone please help us? Following are the logs: DS1 server logs: Aug 16 09:43:48 ds1 kernel: block drbd0: sock was shut down by peer Aug 16

Re: [DRBD-user] how to restore lvm snapshot?

2020-01-29 Thread Paul O'Rorke
Well (ironically?) you have me wondering if my approach may have issues I simply have not encountered, possibly due to good luck, so I am interested in hearing from others whether I should reconsider my approach... I received a lot of invaluable help from the list, and in particualr one very

Re: [DRBD-user] WinDRBD performance/features

2020-01-29 Thread Johannes Thoma
Hi Max, Thank you for testing WinDRBD. Am 29.01.20 um 06:02 schrieb Max Bergmann: Hi drbd-users, Recently, I've been testing windrbd, but I can't seem to achieve more than 100 Mbps (~12mb/s) throughout, even thought the network between my nodes is 1Gpbs or more, with a simple UNC share

Re: [DRBD-user] how to restore lvm snapshot?

2020-01-29 Thread d tbsky
Robert Altnoeder > For a cluster with nodes A, B, C, where A is the node where the snapshot > is restored to the backend device, a possible process is: > - on B, drbdadm disconnect resource > - on B, drbdadm invalidate resource > - on C, drbdadm disconenct resource > - on C, drbdadm invalidate

Re: [DRBD-user] how to restore lvm snapshot?

2020-01-29 Thread d tbsky
Paul O'Rorke > I don't know what others do, I just do essentially what you said, but > without stopping the DRBD service. I simply restore the snapshot to the > primary DRBD block device, not the backing device and let DRBD do it's > magic in the background. > > thanks a lot for your hint.